Toroidal Inductors, Coils, and Chokes
Reviewed by: Jon Lowy, consulting engineer
Description
Toroidal inductors, coils, and chokes are electronic components designed to store energy in a magnetic field when electrical current flows through them. They feature a doughnut-shaped core, which provides a closed magnetic path, resulting in high inductance and reduced electromagnetic interference (EMI).
Working Principle
Toroidal inductors work by utilizing a doughnut-shaped core to create a closed magnetic path. When electrical current flows through the coil wound around the toroidal core, it generates a magnetic field. This closed magnetic path minimizes the leakage of magnetic flux, thereby reducing EMI. The high inductance is achieved due to the efficient use of the core material and the geometry of the toroid. Toroidal inductors are useful because they offer high inductance in a compact form factor and are effective in minimizing EMI, making them suitable for high-performance applications.
Applications
Toroidal inductors, coils, and chokes are used in various applications: - Power Supply Filters: They help stabilize the output voltage by smoothing out current ripples and transient voltage spikes. - Radio Frequency (RF) Circuits: They are used for noise suppression and signal filtering. - Filters: In combination with capacitors, they create low-pass, high-pass, and band-pass filters to control the flow of signals with specific frequencies in a circuit.
Advantages over other Inductors, Coils, and Chokes
Toroidal inductors offer several advantages over other types of inductors: - High Inductance: For a given core material and number of turns, toroidal cores offer more inductance than solenoidal cores . - Compact Size: The overlapped coils allow for much smaller devices compared to traditionally-built devices . - Reduced EMI: The closed magnetic path of the toroidal core minimizes electromagnetic interference . - Energy Storage: Toroidal inductors with powdered metal cores feature greater energy storage properties than those with other high-frequency core materials .
Limitations
Despite their advantages, toroidal inductors have some limitations: - Manufacturing Complexity: Each coil winding must pass through the transformer's center hole, making automated winding difficult and potentially requiring a dedicated winding machine . - Cost: The unique coil winding process renders toroidal inductors more expensive to manufacture .
Considerations
When selecting toroidal inductors, coils, and chokes, several factors should be considered: - Initial Costs: Due to the complex manufacturing process, the initial cost of toroidal inductors can be higher compared to other types. - Operating Expense: The high efficiency and reduced EMI can lead to lower operating expenses in the long run. - Durability: Toroidal inductors are generally durable, but the specific material and construction quality can affect their longevity. - Accuracy: The windings of a toroid coil can be trimmed to achieve very precise, close-tolerance inductance values . - Replacement and Maintenance Costs: While durable, the specialized nature of toroidal inductors may result in higher replacement and maintenance costs if they fail.
from Triad Magnetics
Highly dependable Triad common mode EMI suppression inductors are used in various types of power supplies to eliminate noise common to all lines. These units also provide effective differential mode filtering. Designed to meet most regulatory requirements, they minimize AC line transmitted... [See More]
- Technology: Standard; Toroid
- DCR: 0.0200
- Inductance Range: 2000 to ?
- Rated DC Current: 7500
from RS Components, Ltd.
Wurth Elektronik 782114076130 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 10UH 6.6A 15 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 10
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 4.19 kOhms impedance at 3 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
FIXED IND TOROIDAL SMT AUTO [See More]
- Technology: Toroid
- Application: Common Mode Choke; RF Choke
- Mounting Option: Surface Mount Technology
- Packing Method: Tape Reel
from Triad Magnetics
Highly dependable Triad common mode EMI suppression inductors are used in various types of power supplies to eliminate noise common to all lines. These units also provide effective differential mode filtering. Designed to meet most regulatory requirements, they minimize AC line transmitted... [See More]
- Technology: Standard; Toroid
- DCR: 0.0200
- Inductance Range: 2000 to ?
- Rated DC Current: 7500
from RS Components, Ltd.
Wurth Elektronik 782114076160 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 68UH 5.1A 44 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 68
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 4.53 kOhms impedance at 2.2 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
FIXED IND 75UH 80A 4 MOHM TH [See More]
- Technology: Toroid
- Core Material: Ferrite
- Mounting Option: Through Hole
- Packing Method: Box
from Triad Magnetics
Triad toroidal inductors are specifically designed to minimize transients. These devices store energy, and therefore, condition the output signal by leveling out the current waveform providing a more stable current supply. Generally used in high frequency circuits, our standardized design provides... [See More]
- Technology: Standard; Toroid
- Rated DC Current: 4000
- Inductance Range: 253 to ?
from RS Components, Ltd.
Wurth Elektronik 782114133064 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 180UH 2.6A 110 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 180
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 3.33 kOhms impedance at 5.8 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
FIXED IND 1MH 13A 34 MOHM TH [See More]
- Technology: Toroid
- Core Material: Ferrite
- Mounting Option: Through Hole
- Packing Method: Box
from RS Components, Ltd.
Wurth Elektronik 782114155130 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 100UH 7.8A 27 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Sendust
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 5.65 kOhms impedance at 1.8 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
22 µH Unshielded Toroidal Inductor 4.3A 35mOhm Max Radial, Horizontal (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Wurth Elektronik 782114155200 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 10UH 11A 8 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Iron; Powdered Iron; Iron Powder
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 9.42 kOhms impedance at 1.1 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
180 µH Shielded Toroidal Inductor 3.1A 120mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Wurth Elektronik 782114133064 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 82UH 7.7A 30 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Iron; Powdered Iron; Iron Powder
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 2.59 kOhms impedance at 4.5 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
2.7 µH Shielded Toroidal Inductor 17.1A 4mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Wurth Elektronik 782114155130 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
WE-FI LEADED TOROIDAL LINE CHOKE [See More]
- Technology: Toroid; Toroidal
- Core Material: Iron; Powdered Iron; Iron Powder
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 700
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 3.64 kOhms impedance at 1.9 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
68 µH Shielded Toroidal Inductor 5.1A 44mOhm Max Radial, Horizontal (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Wurth Elektronik 782114076130 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 150UH 1A 130 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Ferrite; Ferrite
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 7.95 kOhms impedance at 2.8 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
1 µH Shielded Toroidal Inductor 21.4A 2mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Core Material: Sendust
- Mounting Option: Through Hole
- Lead Style: Radial
from RS Components, Ltd.
Wurth Elektronik 782114155200 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 300UH 2A 150 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Ferrite; Ferrite
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 2.27 kOhms impedance at 2.9 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
12 µH Unshielded Toroidal Inductor 14.2A 6mOhm Max Radial, Horizontal (Open) [See More]
- Technology: Toroid
- Core Material: Sendust
- Mounting Option: Through Hole
- Lead Style: Radial
from RS Components, Ltd.
Wurth Elektronik 782114076160 [See More]
- Technology:
- Application: Common Mode Choke
- Core Material: Ferrite; Ferrite
- Standards and Certifications: RoHS
from ODG (Origin Data Global)
FIXED IND 250UH 10A 27 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Iron; Powdered Iron; Iron Powder
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 6.57 kOhms impedance at 0.98 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
100 µH Shielded Toroidal Inductor 7.8A 27mOhm Max Radial, Horizontal (Open) [See More]
- Technology: Toroid
- Core Material: Sendust
- Mounting Option: Through Hole
- Lead Style: Radial
from RS Components, Ltd.
Toroidal Line Choke WE-FI 100uH 2000mA [See More]
- Technology: Toroid
- Core Material: Ferrite; Iron; Powdered Iron; Ferrite, iron powder
- Mounting Option: Through Hole
- Lead Style: Through hole
from ODG (Origin Data Global)
FIXED IND 20UH 1.8A 82.9 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Iron; Powdered Iron; Iron Powder
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 3.11 kOhms impedance at 1.8 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
400 µH Unshielded Toroidal Inductor 2.25A 330mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Core Material: Powdered Iron
- Mounting Option: Through Hole
- Lead Style: Radial
from RS Components, Ltd.
Toroidal Line Choke WE-FI 100uH 5000mA [See More]
- Technology: Toroid
- Core Material: Ferrite; Iron; Powdered Iron; Ferrite, iron powder
- Mounting Option: Through Hole
- Lead Style: Through hole
from ODG (Origin Data Global)
FIXED IND 20UH 16A 7 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Core Material: Iron; Powdered Iron; Iron Powder
- Mounting Option: Through Hole; Through Hole
- Lead Style: Radial
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 4.56 kOhms impedance at 2.5 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
100 µH Unshielded Toroidal Inductor 500mA 140mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Toroidal Line Choke WE-FI 220uH 1000mA [See More]
- Technology: Toroid
- Core Material: Ferrite; Iron; Powdered Iron; Ferrite, iron powder
- Mounting Option: Through Hole
- Lead Style: Through hole
from ODG (Origin Data Global)
FIXED IND 150UH 5A 71 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 150
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 28.28 kOhms impedance at 0.26 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
150 µH Unshielded Toroidal Inductor 500mA 173mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Toroidal Line Choke WE-FI 300uH 2000mA [See More]
- Technology: Toroid
- Core Material: Ferrite; Iron; Powdered Iron; Ferrite, iron powder
- Mounting Option: Through Hole
- Lead Style: Through hole
from ODG (Origin Data Global)
FIXED IND 50UH 5A 50 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 50
from Coilcraft, Inc.
Our CM1394 Series common mode choke was designed for IEEE1394 and other twisted-pair interfaces. It provides common mode and differential mode filtering in a single device with more than 21 dB attenuation at 400 MHz and is less expensive than hand-wound toroid designs. Designed for IEEE1394 and... [See More]
- Technology: Toroid
- Application: Common Mode Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
220 µH Unshielded Toroidal Inductor 500mA 215mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Toroidal Coils NAC 1000uH 5A [See More]
- Technology: Toroid
- Core Material: Ferrite; Ferrite
- Mounting Option: Through Hole
- Lead Style: Through hole
from ODG (Origin Data Global)
FIXED IND 7.8UH 20.5A 5.5MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 7.8
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 4.17 kOhms impedance at 1.9 MHz. 1500 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
330 µH Unshielded Toroidal Inductor 500mA 265mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from RS Components, Ltd.
Tamura NAC-08-0051 Leaded Inductor [See More]
- Technology:
- Core Material: Ferrite; Ferrite
- Mounting Option: Through Hole
- Lead Style: Through hole
from ODG (Origin Data Global)
FIXED IND 220UH 1.5A 420 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 220
from Coilcraft, Inc.
The CMA family of automotive qualified common mode chokes provide high current capability, high frequency noise suppression, and high isolation voltage for automotive power electronics. Suitable for inverters, motor drives, onboard chargers, as well as telecom and industrial applications, the CMA... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
470 µH Unshielded Toroidal Inductor 500mA 322mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from ODG (Origin Data Global)
FIXED IND 330UH 1A 780 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 330
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 3.10 kOhms impedance at 4.9 MHz. 1500 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
100 µH Unshielded Toroidal Inductor 1A 97mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from ODG (Origin Data Global)
FIXED IND 150UH 1.7A 420 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 150
from Coilcraft, Inc.
Low profile toroid construction. Surface mount, magnetically shielded package. Up to 70 kOhms impedance at 0.21 MHz. 1000 Vrms isolation (hipot) between windings. Refer to Designing Common Mode Filters for design guidance. RoHS-compliant. 260 °C compatible. Tin-silver-copper over copper... [See More]
- Technology: Toroid
- Application: Common Mode Choke; Power Choke; RF Choke
- Core Material: Ferrite; Ferrite
- Packing Method: Tape Reel
from DigiKey
150 µH Unshielded Toroidal Inductor 1A 123mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from ODG (Origin Data Global)
FIXED IND 330UH 1A 780 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 330
from Coilcraft, Inc.
Coilcraft DMT Series of toroidal power chokes offer high inductance and high current ratings. The toroidal core shape minimizes external magnetic fields, providing EMI shielding from other components. These legacy output power chokes were designed for applications requiring high DC bias current and... [See More]
- Technology: Toroid
- Lead Style: Radial
- Application: Power Choke
- Standards and Certifications: RoHS
from DigiKey
220 µH Unshielded Toroidal Inductor 1A 196mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from ODG (Origin Data Global)
FIXED IND 150UH 3A 100 MOHM TH [See More]
- Technology: Toroid; Toroidal
- Lead Style: Radial
- Mounting Option: Through Hole; Through Hole
- Inductance Range: 150
from Coilcraft, Inc.
Coilcraft's ED0006-AL toroidal power choke has flat inductance vs current characteristics. It was developed as a Class-D low-pass filter element. Developed for the Zetex ZXCD1210 analog input Class-D modulator. Also recommended by Zetex for their ZXCD1000 high fidelity Class- D amplifier solution. [See More]
- Technology: Toroid
- Lead Style: Radial
- Application: Power Choke
- Packing Method: Tray
from DigiKey
330 µH Unshielded Toroidal Inductor 1A 193mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from ODG (Origin Data Global)
FIXED IND 4.9UH 7.8A 12.4MOHM SM [See More]
- Technology: Toroid; Toroidal
- Inductance Range: 4.9
- Mounting Option: Surface Mount Technology; Surface Mount
- DCR: 0.0124
from Coilcraft, Inc.
This high-current toroidal inductor was developed for Texas Instruments LM3433 High Brightness LED Driver and is specified by Texas Instruments for 2 A to 14 A output applications. Developed for Texas Instruments LM3433 High Brightness LED Driver. Specified by Texas Instruments for 2 A to 14 A... [See More]
- Technology: Toroid
- Application: Power Choke
- Core Material: Ferrite; Ferrite
- Lead Style: Radial
from DigiKey
100 µH Unshielded Toroidal Inductor 2A 109mOhm Max Radial, Vertical (Open) [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Packing Method: Tray
from KEMET Electronics Corporation
Applications. AC power supplies. Power conditioners. Audio/Visual equipment. Office Automation equipment. Digital appliances. Air conditioners. Features and Benefits. Industry's highest standard, hih-permeability core results in a high degree of characterization. Optimized design for tcompact size,... [See More]
- Technology: Standard; Toroid; Bobbin
- Application: Power Choke
- Mounting Option: Through Hole
- Lead Style: Radial
from Amecon, Inc.
10 volts, large selection of sizes, custom designs up to 200Amps available [See More]
- Technology: Toroid
- Core Material: Advanced Materials
- Mounting Option: Through Hole
- Application: Power Choke; Switch Mode Power Supply
from Datatronics™
Features. Designed for use in Switching Mode Power Supply Input Circuits. Windings balanced with 1%. Low Profile and Vertical Mounting Available. High Dilectric Strength 1250VRMS. Creepage 3.0mm minimum between windings. Meets UL94VO requirement [See More]
- Technology: Toroid
- Application: Common Mode Choke
- Mounting Option: Through Hole
- Lead Style: Radial
from Bourns, Inc.
Bourns, Inc. is pleased to announce that it has acquired substantially all of the assets of the J.W. Miller Magnetics Division of Bell Industries, Inc. from Bell. Founded in 1924, J.W. Miller ® Magnetics is a well-known supplier of custom and standard magnetic components with capabilities to... [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Standards and Certifications: RoHS
from Frontier Electronics Corp.
Frontier's 3361I series of through hole toroid RF signal chokes. Inductance range from 90nH to 350nH. Q (min) range from 70 to 80. Current: 0.6A [See More]
- Technology: Toroid
- Application: RF Choke
- Mounting Option: Through Hole
- Inductance Range: 0.0900 to 0.3500
from General Magnetics Corporation
Inductors, DC. Small size. Low price. Repeatable performance. High reliability. Delivery in 1 or 2 weeks. Many mounting options available including open style vertical, open style flat, VTM, VTC, KM or custom. Other values not listed also available. Applications. Also suitable for EMI/RFI noise... [See More]
- Technology: Toroid
- Lead Style: Radial
- Mounting Option: Through Hole
- Inductance Range: 84 to 162
from Vanguard Electronics
Molded RF Toroidal Inductor. Thru-Hole, Molded [See More]
- Technology: Toroid
- Inductance Range: 0.0100 to 1
- Application: Hi-Reliability
- Q Factor: 80
from West Coast Magnetics
West Coast Magnetics ' 504 series common mode chokes provide excellent noise attenuation in a small package. With a continuous RMS current rating in excess of 20 amps, this common mode choke can actually handle up to 50 amps for a short duration of time. This choke also features high noise... [See More]
- Technology: Toroid
- Configuration: Fixed
- Application: Common Mode Choke
- Inductance Range: 1290
from Standex-Meder Electronics
CI CJ Series High Frequency Toroidal Differential Mode Power Inductor used for switching power supply, EMI/RFI filter and other applications that require low radiated emissions. CI series inductors are designed primarily for switching power supply applications up to 75 KHz. CJ series power inductors... [See More]
- Technology: Toroid
- Inductance Range: 5000
- Application: High Frequency
- Rated DC Current: 5000
from Powertronix Inc.
Toroidal inductors / chokes are smaller, lighter, cooler and more efficient than conventional laminated inductors. Its winding construction geometry helps to lower electromagnetic interference (EMI). Smoothing and energy storing in inductive input filter circuits. Filtering Harmonics from main... [See More]
- Technology: Toroid
- Operating Temperature: 40 to 180
- Lead Style: Radial; Tab
from Murata Power Solutions
Two essential elements of the vast majority of power electronics applications are filtering and isolation. Whether you need to reduce noise or protect vital components, Murata Power Solutions can offer a wide range of products to suit your requirements, having developed over 1,200 highly advanced... [See More]
- Technology: Standard; Toroid
- Application: Common Mode Choke
- Mounting Option: Through Hole; Surface Mount Technology
- Lead Style: None
from Trigon Components, Inc.
SERIES. EBLTT. DESCRIPTION. Design to Fit, High Stability. IMPEDANCE RANGE. 2 to 10db. CURRENT RATING. FREQUENCY. 5MHz to 1300MHz. PACKAGE. TH. FEATURE. •Pair wire coil for high stability. [See More]
- Technology: Toroid
- Application: General Purpose
- Mounting Option: Through Hole
- Lead Style: Radial
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-01. Application: Power. Type: Toroid. Rating: N/A. Inductance: 100 μH. Saturation Current: 2 A. DC Resistance Max: 81 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Schaffner EMC Inc.
Rated currents from 16 to 50 A. Up to 600 VAC or 1000 VDC. 2- and 3-wire configurations. Horizontal and vertical PCB mounting types. Ruggedized saturation and thermal behavior. Open construction for forced and convection cooling. Straightforward pin-out for easy PCB design. Inductance : 0.2 to 3 mH. [See More]
- Technology: Toroid
- Application: Common Mode Choke
- Mounting Option: Chassis
- Standards and Certifications: RoHS
from Premier Magnetics, Inc.
Designed for Switch Mode Power Supply Applications. Tapped and Untapped Versions. Frequency Range from 10KHz to 200KHz. 2500Vrms Minimum Isolation Voltage. Fully Encapsulated Construction & Center Hole for Primary Lead [See More]
- Technology: Toroid
- Core Material: Air
- Mounting Option: Through Hole
- Application: High Current; Current Sense
from Amgis Toroidal Power Products, LLC
Amgis has several common mode chokes in standard lines and can custom design a common mode choke to fit your requirements. Common mode chokes provide an efficient means of filtering supply lines having in-phase signals of equal amplitude thus allowing equipment to meet stringent electrical radiation... [See More]
- Technology: Toroid
- Configuration: Fixed
- Application: Common Mode Choke
- Inductance Range: 6900 to 100000
from Datatronics™
Features. High frequency SMPS input filter circuits. Windings balanced within 1% tolerance. Dielectric strength 1250VRMS [See More]
- Technology: Toroid
- Application: Common Mode Choke
- Mounting Option: Through Hole
- Lead Style: Radial
from Vanguard Electronics
Molded RF Toroidal Inductor. Thru-Hole, Molded [See More]
- Technology: Toroid
- Inductance Range: 0.0100 to 1
- Application: Hi-Reliability
- Q Factor: 80
from West Coast Magnetics
West Coast Magnetics ' 502 series common mode chokes are designed to attenuate common mode line noise. These common mode chokes can handle currents up to 25 amps and are available in vertical and horizontal mount packages. They provide a typical minumum15 dB of attenuation from 50 kHz to 30 MHz. [See More]
- Technology: Toroid
- Configuration: Fixed
- Application: Common Mode Choke
- Inductance Range: 6.4
from Standex-Meder Electronics
SJ / SU Series High Frequency Toroidal Power Inductor packaged in a surface mount design (SMD) is ideal where space and weight are critical and surface mount is required. When used as power inductors, they may be connected for higher current lower inductance or lower current higher inductance. When... [See More]
- Technology: Toroid
- Core Material: Iron
- Mounting Option: Surface Mount Technology
- Application: High Frequency
from Trigon Components, Inc.
SERIES. EBS. DESCRIPTION. Design to Fit, High Stability. IMPEDANCE RANGE. CURRENT RATING. FREQUENCY. 0.6MHz to 3300MHz. PACKAGE. SMD. FEATURE. •Pair and triple wire coil for high stability high balance. [See More]
- Technology: Toroid
- Application: General Purpose
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-02. Application: Power. Type: Toroid. Rating: N/A. Inductance: 110 μH. Saturation Current: 2 A. DC Resistance Max: 69 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Premier Magnetics, Inc.
For High Frequency Power Supply Applications. Custom Values Available. 1250 Vrms Isolation Votage. Industry Standard Package. Vertical Mount. Balanced Windings [See More]
- Technology: Toroid
- Core Material: Air
- Mounting Option: Through Hole
- Application: Common Mode Choke
from Amgis Toroidal Power Products, LLC
Advantage of Toroidal Power Inductors: Small size (volume and weight). Lower electromagnetic interference (EMI). Quicker cooling than traditional inductors (larger surface area). Near complete magnetic field cancellation. Lower resistance (shorter length per turn). Variety of mountings and... [See More]
- Technology: Toroid
- Configuration: Fixed
- Application: Power Choke
from Datatronics™
Features. 1 - 10k turns. 0.25" - 10" Diameter. Power Supply. Commercial, Aerospace, Industrial [See More]
- Technology: Toroid
- Mounting Option: Through Hole
from West Coast Magnetics
West coast Magnetics ' 508 series common mode chokes are designedspecifcally for very low profle applications. With an rMs current ratingof up to 30 amps, noise impedance in excess of 1000 ohms, and a height less than 1.4 cm, this common mode choke packs a lot of performance in a small package. [See More]
- Technology: Toroid
- Configuration: Fixed
- Application: Common Mode Choke
- Inductance Range: 5083
from Standex-Meder Electronics
CM Series High/Low Frequency Toroidal Common Mode Choke for EMI/RFI applications is designed for common mode noise up to 30 MHz on A.C. and D.C lines. Build your own standard part number to give exactly the value you require, within an economical family of standard core sizes. Available configured... [See More]
- Technology: Toroid
- Application: High Frequency
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Trigon Components, Inc.
SERIES. ISTD. DESCRIPTION. ISTD01 ISTD 02 ISTD03. INDUCTANCE RANGE. IDC. DCR. PACKAGE. SMD. FEATURE. •Closed magnetic circuit for lowest EMI. •High performance low loss powder iron core. •Compatible with vapor phase and infrared reflow soldering. [See More]
- Technology: Toroid
- Core Material: Iron
- Mounting Option: Surface Mount Technology
- Application: General Purpose; Power Choke
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-03. Application: Power. Type: Toroid. Rating: N/A. Inductance: 110 μH. Saturation Current: 4 A. DC Resistance Max: 42 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Amgis Toroidal Power Products, LLC
Amgis offers an extensive range of power inductors and chokes in many different package sizes and shapes, both in surface mount and through-hole types. Applications include output inductors in SMPS filters, DC/DC converters, energy storage, differential mode and common mode filtering. Custom designs... [See More]
- Technology: Toroid
- Configuration: Fixed
- Application: High Frequency; Power Choke
- Inductance Range: 22 to 4700
from West Coast Magnetics
West coast Magnetics ' 507 series common mode chokes are designed to attenuate common mode line noise. these common mode chokes can handle currents up to 50 amps and are available in a horizontal mount package. they feature an interwinding isolation of 1500 Vac and 3mm clearance for safety... [See More]
- Technology: Toroid
- Configuration: Fixed
- Application: Common Mode Choke
- Inductance Range: 1056
from Trigon Components, Inc.
SERIES. ISTR. DESCRIPTION. ISTR0302 ISTR0502. INDUCTANCE RANGE. IDC. DCR. PACKAGE. SMD. FEATURE. •Closed magnetic circuit for lowest EMI. •High current. •Compatible with vapor phase and infrared reflow soldering. [See More]
- Technology: Toroid
- Application: High Current; Power Choke
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-04. Application: Power. Type: Toroid. Rating: N/A. Inductance: 100 μH. Saturation Current: 5 A. DC Resistance Max: 33 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Amgis Toroidal Power Products, LLC
SH Series Regulator Inductors - Low Cost Toroidal Inductors. For switching regulator inductors, Amgis offers its SH Series regulator inductors. These low cost toroidal inductors are designed specifically to be used in conjunction with National Semiconductor's Simple Switchers. These inductors are... [See More]
- Technology: Toroid
- Standards and Certifications: RoHS
- Application: High Frequency
- Configuration: Fixed
from West Coast Magnetics
West Coast Magnetics ' high frequency inductors are designed for use as filters in high frequency power supplies. They will handle significant amounts of DC and will attenuate frequencies as high as 500 MHz. The winding has been optimized to maximize the inductance and minimize the losses under... [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Configuration: Fixed
from Trigon Components, Inc.
SERIES. ISTS. DESCRIPTION. ISTS0302 ISTS0502 ISTS1051. INDUCTANCE RANGE. IDC. DCR. PACKAGE. SMD. FEATURE. •Closed magnetic circuit for lowest EMI. •High current. [See More]
- Technology: Toroid
- Application: High Current; Power Choke
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-05. Application: Power. Type: Toroid. Rating: N/A. Inductance: 140 μH. Saturation Current: 3 A. DC Resistance Max: 64 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Trigon Components, Inc.
SERIES. ISTU0718. DESCRIPTION. ISTU0718. INDUCTANCE RANGE. 1.0 to 47uH. IDC. 0.31 to 2.10A. DCR. 0.103 to 0.85ohm. PACKAGE. SMD. FEATURE. •Closed magnetic circuit for lowest EMI. •Compact and thin. •Large current and low DCR. [See More]
- Technology: Toroid
- Application: General Purpose; Power Choke
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-06. Application: Power. Type: Toroid. Rating: N/A. Inductance: 100 μH. Saturation Current: 4 A. DC Resistance Max: 42 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Trigon Components, Inc.
SERIES. ISTU68. DESCRIPTION. ISTU68. INDUCTANCE RANGE. IDC. DCR. PACKAGE. SMD. FEATURE. •Closed magnetic circuit for lowest EMI. •High current. [See More]
- Technology: Toroid
- Application: High Current; Power Choke
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-07. Application: Power. Type: Toroid. Rating: N/A. Inductance: 100 μH. Saturation Current: 5 A. DC Resistance Max: 36 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Trigon Components, Inc.
SERIES. ITC. DESCRIPTION. Toroidal Coil, Design to Fit. INDUCTANCE RANGE. IDC. DCR. PACKAGE. TH. FEATURE. •Low cost, High current. •Lowest EMI. [See More]
- Technology: Toroid
- Application: High Current; Power Choke
- Mounting Option: Through Hole
- Lead Style: Radial
from Abracon, LLC
RoHS/RoHS II Compliant. Part LEAD (Pb) FREE. Series: ATCA-08. Application: Power. Type: Toroid. Rating: N/A. Inductance: 130 μH. Saturation Current: 7 A. DC Resistance Max: 31 m Ω. Operating Temperature: -40 °C ~ +105 °C. Tolerance: 20. Shielding: Non Shielded. Mounting: SMD. [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Standards and Certifications: RoHS
from Trigon Components, Inc.
SERIES. ITGZ / ITGB. DESCRIPTION. ITGZ19 ITGB19. INDUCTANCE RANGE. IDC. DCR. PACKAGE. TH. FEATURE. •Micro gap toroid technology. •Not easy magnetic saturation. [See More]
- Technology: Toroid
- Application: General Purpose; Power Choke
- Mounting Option: Through Hole
- Lead Style: Radial
from Trigon Components, Inc.
SERIES. ITK. DESCRIPTION. Toroidal Coil, Cased, Design to Fit. INDUCTANCE RANGE. IDC. DCR. PACKAGE. TH. FEATURE. •Closed magnetic circuit for lowest EMI. •Low cost, High current. •Lowest EMI. [See More]
- Technology: Toroid
- Application: High Current; Power Choke
- Mounting Option: Through Hole
- Lead Style: Radial
from Trigon Components, Inc.
SERIES. ITLP / ITVP. DESCRIPTION. ITLP60 ITVP60. INDUCTANCE RANGE. 150 to 1000uH. IDC. 0.50 to 1.70A. DCR. 0.21 to 1.70ohm. PACKAGE. TH. FEATURE. •To be high saturation for surface mounting.. •Large current and Low DCR. [See More]
- Technology: Toroid
- Application: General Purpose; Power Choke
- Mounting Option: Through Hole
- Lead Style: Radial
from Trigon Components, Inc.
SERIES. ITX. DESCRIPTION. ITX2P ITX4P. INDUCTANCE RANGE. 0.49 to 300.42uH. IDC. 0.21 to 3.95A. DCR. 0.019 to 4.7ohm. PACKAGE. SMD [See More]
- Technology: Toroid
- Application: Power Choke
- Mounting Option: Surface Mount Technology
- Lead Style: None