High Frequency Inductors, Coils, and Chokes
Description
High frequency inductors, coils, and chokes are components used in electronic circuits to manage and control the flow of electrical energy. They are designed to store energy in a magnetic field when electrical current flows through them. These components are crucial in filtering, tuning, and impedance matching in high-frequency applications.
Working Principle
High frequency inductors, coils, and chokes operate on the principle of electromagnetic induction. When an electrical current passes through the coil, it generates a magnetic field around it. This magnetic field can store energy and oppose changes in the current flowing through the coil. This property is particularly useful in high-frequency applications where rapid changes in current are common. By limiting the rate of current change, these components help stabilize circuits and reduce interference, making them essential for maintaining signal integrity in high-frequency environments.
Applications
High frequency inductors, coils, and chokes are used in a variety of specific applications. They are commonly found in radio frequency (RF) circuits, where they help in tuning and filtering signals. These components are also used in power supply filters to smooth out voltage fluctuations and reduce electromagnetic interference (EMI) and radio frequency interference (RFI) from power supply lines. Additionally, they are employed in impedance matching circuits to ensure maximum power transfer between different stages of an electronic system.
Advantages over other Inductors, Coils, and Chokes
High frequency inductors, coils, and chokes offer several advantages over their low-frequency counterparts. They are specifically designed to handle high-frequency signals with minimal losses, making them more efficient in such applications. The use of materials like ferrite, which have low losses at high frequencies, enhances their performance. Additionally, their ability to provide high inductance in a compact form factor makes them ideal for space-constrained applications.
Limitations
Despite their advantages, high frequency inductors, coils, and chokes have limitations. They may not store as much energy as inductors designed for lower frequencies, due to the materials used to minimize losses at high frequencies. This can limit their use in applications where high energy storage is required. Additionally, their performance can be affected by temperature variations, which may lead to changes in inductance and affect circuit stability.
Considerations
When selecting high frequency inductors, coils, and chokes, several factors should be considered. Initial costs can vary depending on the materials and design complexity. Operating expenses are generally low, but it's important to consider the potential need for replacements due to wear or damage over time. Durability is a key factor, as these components must withstand the thermal and mechanical stresses of high-frequency operation. Accuracy in maintaining inductance values is crucial for circuit performance, and maintenance costs should be factored in, especially in environments where components are subject to frequent stress or high temperatures.
from RS Components, Ltd.
Wurth Elektronik 7427504 Ferrite Bead [See More]
- Application: High Frequency; RF Choke; Digital devices, pcb, radio frequency interferences, text processing
- Lead Style: Axial
- Core Material: Ferrite
- Standards and Certifications: RoHS
from RS Components, Ltd.
Wurth Elektronik 7427501 Ferrite Bead [See More]
- Application: High Frequency; RF Choke; Digital devices, pcb, radio frequency interferences, text processing
- Lead Style: Axial
- Core Material: Ferrite
- Standards and Certifications: RoHS
from RS Components, Ltd.
Wurth Elektronik 74275013 Ferrite Bead [See More]
- Application: High Frequency; RF Choke; Digital devices, pcb, radio frequency interferences, text processing
- Lead Style: Axial
- Core Material: Ferrite
- Standards and Certifications: RoHS
from RS Components, Ltd.
Wurth Elektronik 742792641 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0603 (1608m)
from RS Components, Ltd.
Wurth Elektronik 742792651 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0603 (1608m)
from RS Components, Ltd.
Wurth Elektronik 742792096 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0805 (2012m)
from RS Components, Ltd.
Wurth Elektronik 742792040 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0805 (2012m)
from RS Components, Ltd.
Wurth Elektronik 742792064 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0805 (2012m)
from RS Components, Ltd.
Wurth Elektronik 742792141 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 1206 (3216m)
from RS Components, Ltd.
Wurth Elektronik 742861210 Ferrite Bead [See More]
- Application: High Frequency; Cpu, hdd, high frequency, high speed bus systems
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0603 (1608m)
from RS Components, Ltd.
Wurth Elektronik 742792662 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0603 (1608m)
from RS Components, Ltd.
Wurth Elektronik 74279267 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0603 (1608m)
from RS Components, Ltd.
Wurth Elektronik 74279206 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0805 (2012m)
from RS Components, Ltd.
Wurth Elektronik 742792042 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 0805 (2012m)
from RS Components, Ltd.
Wurth Elektronik 742792116 Ferrite Bead [See More]
- Application: High Current; High Frequency; Anti emi, control signals, dc/dc converter, fast bus signals, hdd, high current, high frequency, high speed, line filter, lvds, power supply
- Standards and Certifications: RoHS
- Core Material: Ferrite
- EIA Case Size: 1206 (3216m)
from Datatronics™
Features. Low Profile Surface Mount Design. Suitable for Reflow Soldering. Inductance Range from 10nH to 220uH. Operating Temp. -40C to +80C. Size: 3.2mm x 2.5mm x 2.2mm. [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Lead Style: None
from MACOM
MACOM's MMI-300 Series of Spiral Inductors are formed by photolithography and plating techniques on quartz substrates. They eliminate the need for hand forming and “staking ” of coil in hybrid circuits. They provide uniformity, durability and repeatability in circuit fabrication. The... [See More]
- Application: High Frequency
- Lead Style: None
- Mounting Option: Surface Mount Technology
- Configuration: Fixed
from RCD Components, Inc.
CERAMIC CORE WIREWOUND CHIP INDUCTORS. Industry ’s widest range!. 1nH to 10uH, 1%-10%, 0 402-1008 sizes. Non-magnetic ceramic-core design for HF operation. Customized versions available with non-standard values, increased Q & SRF, marking of induc. value, etc. Ferrite core available for... [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Core Material: Ceramic; Ferrite (optional feature)
from Standex-Meder Electronics
10mH switching regulator inductors designed to meet the requirements of Mil-PRF 287, 288 and 289, featuring a completely encapsulated construction. Double winding styles available for more current capacity. Center hole for mounting. Custom sizes and values may be engineered for your specific... [See More]
- Application: High Frequency; Aerospace, Military
- Lead Style: Radial
- Mounting Option: Through Hole
- Inductance Range: 10
from Central Technologies
Prevents noise emission from TV's/VCR's/etc., bulk pack packaging [See More]
- Application: Common Mode Choke; High Frequency
- Technology: Standard
- Mounting Option: Through Hole
- Lead Style: Tab
from Hangzhou X-mag Inc.
Common mode inductors serve a variety of essential functions across different applications areas, including high-frequency switching power supplies, household appliances, 5G communication technology, UPS power supplies, new energy vehicles, and charging stations.: • Power Filtering: Common... [See More]
-
Application: General Purpose; High Current; High Frequency; Power Choke;
Applications：General Purpose; High Current; High Freqency; Power Inductor; Other
from Trigon Components, Inc.
SERIES. IAD. DESCRIPTION. SMD Non-Flat Top. INDUCTANCE RANGE. IDC. DCR. PACKAGE. SMD. FEATURE. •High frequency. •Highest possible SRFs as well as excellent Q value. [See More]
- Application: High Frequency
- Technology: Standard
- Mounting Option: Surface Mount Technology
- Core Material: Air
from Samsung Electro-Mechanics
High-frequency inductors consist of ceramic materials made of glass and internal/external electrodes made of silver. They are plated with nickel and tin. These inductors can be applied usefully for high frequency of 100 MHz or higher because they have high Q characteristics in high frequency, the... [See More]
- Application: High Frequency
- Technology: Multilayer
- Mounting Option: Surface Mount Technology
- Core Material: Ferrite
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]
- Application: High Frequency; Power Choke
- Configuration: Fixed
- Technology: Toroid
- Inductance Range: 22 to 4700
from Datatronics™
Features. Low Profile Surface Mount Design. Inductance Range from 0.1uH to 560.0uH. Operating Temp. -25C to + 85C. Size: 3.2mm x 2.5mm x 2.0mm. [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Lead Style: None
from RCD Components, Inc.
HIGH FREQUENCY CERAMIC CHIP INDUCTORS. Wide range - 0.6nH to 470nH, up to 10GHz 420mA. Advanced monolithic construction especially suited for high frequency applications. Excellent Q and SRF characteristics. Operating temperature range: -55 °C to +125 °C. Standard tolerance: ±5% (... [See More]
- Application: High Frequency
- Technology: Multilayer
- Mounting Option: Surface Mount Technology
- Core Material: Ceramic
from Standex-Meder Electronics
2mH Switching Regulator Inductors featuring a completely encapsulated construction. Threaded mounting insert for additional mounting strength. Custom sizes and values may be engineered for your specific application. [See More]
- Application: High Frequency; Aerospace, Military
- Lead Style: Radial
- Mounting Option: Through Hole
- Inductance Range: 2
from Trigon Components, Inc.
SERIES. IAM. DESCRIPTION. SMD Flat Top. INDUCTANCE RANGE. 1.65 to 1000nH. IDC. 220 to 1200mA. DCR. 2.6 to 112mohm. PACKAGE. SMD 0603 to 1812. FEATURE. •High frequency. •Highest possible SRFs as well as excellent Q value. •The constitutive property is good and easy to operate. [See More]
- Application: High Frequency
- Technology: Standard
- Mounting Option: Surface Mount Technology
- Core Material: Air
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]
- Application: High Frequency
- Standards and Certifications: RoHS
- Technology: Toroid
- Configuration: Fixed
from Datatronics™
Features. SMD 0402 Chip Inductor, Low Profile. Suitable for High Frequency Application. Inductance Range from 1.0nH to 68nH. Operating Temp. -40C to +125C. Size: 1.19mm x 0.64mm x 0.66mm. [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Lead Style: None
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]
- Application: High Frequency
- Inductance Range: 5000
- Technology: Toroid
- Rated DC Current: 5000
from Trigon Components, Inc.
SERIES. IAW. DESCRIPTION. Radial, General Purpose. INDUCTANCE RANGE. IDC. DCR. PACKAGE. Radial. FEATURE. •High frequency. •Highest Q values. [See More]
- Application: High Frequency
- Technology: Standard
- Mounting Option: Through Hole
- Core Material: Air
from Datatronics™
Features. SMD Chip Inductor, Low Profile. Suitable for High Frequency Application. Inductance Range from 1.6nH to 270nH. Operating Temp. -40C to +130C. Size: 1.80mm x 1.12mm x 1.02mm. [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Lead Style: None
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]
- Application: High Frequency
- Technology: Toroid
- Mounting Option: Surface Mount Technology
- Core Material: Iron
from Datatronics™
Features. SMD Chip Inductor, Low profile. Suitable for High Frequency Applications. Inductance Range from 2.2nH to 820nH. Operating Temp. -40C to +130C. Size: 2.29mm x 1.73mm x 1.52mm. [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Lead Style: None
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]
- Application: High Frequency
- Technology: Toroid
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Datatronics™
Features. SMD Chip Inductor, Low Profile. Suitable for High Frequency Application. Inductance Range from 10nH to 10uH. Operating Temp. -40C to +130C. Size: 2.92mm x 2.79mm x 2.03mm. [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Lead Style: None
from Datatronics™
Features. SMD Chip Inductor, Low Profile. Suitable for High Frequency Application. Inductance Range from 10nH to 4.7uH. Operating Temp. -40C to +130C. Size: 3.56mm x 2.92mm x 2.29mm. [See More]
- Application: High Frequency
- Technology: Wirewound
- Mounting Option: Surface Mount Technology
- Lead Style: None