Step-Down Transformer Signal Transformers

Description

A step-down transformer signal transformer is a device designed to reduce the voltage of an electrical signal. It achieves this by converting a higher input voltage to a lower output voltage, making it suitable for applications where lower voltage levels are required.

Working Principle

Step-down transformers operate based on the principles of electromagnetic induction and mutual induction. They consist of primary and secondary coils that are magnetically linked but not electrically connected. When alternating current (AC) flows through the primary coil, it creates a varying magnetic field, which induces a voltage in the secondary coil. The voltage reduction is determined by the ratio of the number of turns in the primary coil to the number of turns in the secondary coil. This process allows the transformer to decrease the voltage while increasing the current, maintaining a constant power level between input and output. Step-down transformers are useful because they enable the safe and efficient distribution of electrical power by reducing high transmission voltages to levels suitable for end-use applications.

Applications

Step-down transformer signal transformers are used in various applications, including:

  • Power Distribution: They are employed to reduce high transmission voltages to lower levels for safe distribution to residential and commercial buildings.
  • Machine Control: These transformers provide low voltages necessary for controlling machinery and equipment.
  • Audio and RF Applications: In audio and radio frequency applications, step-down transformers are used for impedance matching to ensure optimal signal transfer.

Advantages over other Signal Transformers

Step-down transformers offer several advantages over other types of signal transformers:

  • Broadband Operation: Unlike passive LC circuits, which operate over a narrow bandwidth, step-down transformers can function effectively over a wide range of frequencies, making them versatile for various applications.
  • Impedance Transformation: They excel at impedance transformation, allowing for efficient signal transfer and minimal loss.

Limitations

Step-down transformers have specific limitations:

  • AC Only: They can only operate with alternating current, as the magnetic field must vary to induce a voltage. This limitation makes them unsuitable for direct current (DC) applications.
  • Size and Weight: Depending on the power rating, step-down transformers can be bulky and heavy, which may be a constraint in space-limited applications.

Considerations

When selecting and using step-down transformer signal transformers, consider the following:

  • Initial Costs: The cost of a transformer can vary based on its power rating and construction. Higher power ratings typically result in higher costs.
  • Operating Expense: Transformers are generally efficient, but energy losses in the form of heat can occur, impacting operating expenses.
  • Durability and Maintenance: Transformers are durable devices with long service lives. However, regular maintenance is necessary to ensure optimal performance and prevent failures.
  • Accuracy: The accuracy of voltage transformation depends on the precision of the coil windings and the quality of materials used.
  • Replacement and Maintenance Costs: While transformers are robust, eventual replacement or repair may be required, and these costs should be factored into the overall lifecycle cost.
41 Results
Transformers - Line Transformers - Autotransformers -- 170
from Hammond Manufacturing Company Inc.

Features. Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. Flexible world wide applications, 50 or 60 Hz. operation, step down (230VAC to 115 VAC) or step up (115VAC to 230VAC). Connection by flexible leads, 8" minimum... [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers - Autotransformers -- 170AE
from Hammond Manufacturing Company Inc.

Features. Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. Flexible world wide applications, 50 or 60 Hz. operation, step down (230VAC to 115 VAC) or step up (115VAC to 230VAC). Totally enclosed rear case, includes handy... [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers - Autotransformers -- 175A-NA
from Hammond Manufacturing Company Inc.

Features. Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. World wide applications, 50 or 60 Hz. operation, step down (230VAC to 115 VAC). Input is circuit breaker protected. Hi-pot tested to 2 KV RMS. Input is a standard... [See More]

  • Winding Turns: Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers - Step Down Isolation -- 172A
from Hammond Manufacturing Company Inc.

Features. Primary 230VAC, 50/60 Hz. Secondary 115VAC. Circuit breaker in primary. Provides circuit isolation & steps down primary voltage. Hi-pot tested to 2 KV RMS. Electrostatic shield between primary & secondary. Input (primary) connected to a 5 foot long cord & European (Schuko)... [See More]

  • Winding Turns: Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers - Step Down Isolation -- 179E
from Hammond Manufacturing Company Inc.

Features. Primary 115VAC, 50/60 Hz., Secondary 95VAC. Provides circuit isolation. Electrostatic shield between primary & secondary. World wide applications, 50 or 60 Hz. operation, step down (115VAC to 95 VAC). Designed mainly for Japanese equipment in North America. Perfect for operating... [See More]

  • Winding Turns: Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers - Step Down Isolation -- 289CT
from Hammond Manufacturing Company Inc.

Features. Primary 240VAC, 50/60 Hz., Secondary 120VAC. Provides circuit isolation. Toroidal transformer for high isolation, low noise, light weight, cool operation and low profile. World wide applications, 50 or 60 Hz. operation, step down (240VAC to 120 VAC). Standard 3-wire, grounded plug (for use... [See More]

  • Winding Turns: Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers - Straight Isolation -- 178CT
from Hammond Manufacturing Company Inc.

Features. Primary 120VAC, 50/60 Hz., Secondary 120VAC. Provides circuit isolation. Toroidal transformer for high isolation, low noise, light weight, cool operation and low profile. World wide applications, 50 or 60 Hz. operation, step down (120VAC to 120 VAC). Standard 3-wire, grounded plug (for use... [See More]

  • Winding Turns: Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers -- 178MG1000
from Hammond Manufacturing Company Inc.

Features: Intended for non-patient connected indoor applications where protection of sensitive electronics is required: High end audio / studio use. Medical electronics. High end test equipment / laboratory. cULus Listed to UL 60601-1 (1st Edition) and CAN/CSA-C22.2 No. 601.1-M90 (R2005). Each unit... [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Transformers - Line Transformers -- 178MG500
from Hammond Manufacturing Company Inc.

Features: Intended for non-patient connected indoor applications where protection of sensitive electronics is required: High end audio / studio use. Medical electronics. High end test equipment / laboratory. cULus Listed to UL 60601-1 (1st Edition) and CAN/CSA-C22.2 No. 601.1-M90 (R2005). Each unit... [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Isolation; Electronics
Autotransformer 115VAC to 85/95/105/110/115/125VAC -- ATT003
from Dongguan Yili Electronics Co., Ltd.

An Autotransformer is a kind of transformer with only one winding wound on a laminated core. An autotransformer is similar to a two-winding transformer but differs in the way that the primary and secondary winding are interrelated. A part of the winding is common to both primary and secondary sides. [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Other Transformer Types / Applications: Autotransformer
Pulse Transformer with Double Secondary Winding -- IT series
from Schaffner EMC Inc.

Galvanic separation of drive and power circuit. Voltage resistance up to 4kV. Ignition current up to 1A. Turns ratio up to 3:1:1. Frequency : ≤ 40000 Hz. Ignition currents : 0.1 to 1 A. Operating frequency : 0 to 40000 Hz. Rise time : 0.4 to 4 µs [See More]

  • Winding Turns: Step-Down Transformer; One to One
  • Operating Frequency: 40000 to 500000
  • Other Transformer Types / Applications: Electronics
  • Mounting: PCB/SMD
Aluminum Toroidal Transformer -- HDB-300-2L
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Audio Data Transmission Transformer -- PM-AD002S
from Premier Magnetics, Inc.

Operating transmission rates:1 to 7 Mbps. Inductance test at 100KHz. Controlled rise time: 25 nsec Maximum. RoHS Compliance [See More]

  • Winding Turns: Step-Down Transformer
  • 3 dB Bandwidth: 5.50E7
  • Center Tap Options: None
  • Operating Temperature: 0 to 70
Industrial Step Down Power Transformer 230 460 575V to 95 115V Dry Type with Heavy Steel Mounting Feet -- ICT003
from Dongguan Yili Electronics Co., Ltd.

We offer a complete line of control transformers for machine tools, electromagnetic devices, and industrial applications, which include multi-tap, step-up, step-down, open core, and encapsulation. Our control transformers are constructed with high-quality silicon steel lamination to minimize core... [See More]

  • Winding Turns: Step-Down Transformer
  • Mounting: Comes with heavy steel mounting feet for various mounting dimensions.
Pulse Transformer with Single Secondary Winding -- IT series
from Schaffner EMC Inc.

Galvanic separation of drive and power circuit. Voltage resistance up to 8 kV. Ignition current up to 3 A. Turns ratio up to 3:1. Frequency : ≤ 40000 Hz. Ignition currents : 0.1 to 3 A. Operating frequency : 0 to 40000 Hz. Rise time : 0.3 to 2.3 µs [See More]

  • Winding Turns: Step-Down Transformer; One to One
  • Operating Frequency: 40000 to 500000
  • Other Transformer Types / Applications: Electronics
  • Operating Temperature: -20 to 70
BK Toroidal Transformer -- HBK-200
from Hengda Electronic Factory

Toroidal iron core is made by imported high brand silicon steel sheet, annealing by nitrogen and hydrogen gas protection. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
General Purpose Coupling Transformer -- PM-NW10
from Premier Magnetics, Inc.

Wide Selection of Standard Types. Fast Rise Times. Industry Standard Package. 2000Vrms Minimum Isolation Voltage. Low Leakage Ind. and Winding Capacitance. Insulation Resistance 10,000M W Minimum. Average Power Rating 500 mW (40 O C Rise). Peak Pulse Voltage 100V. Dissipation Rating 150 mW. Custom... [See More]

  • Winding Turns: Step-Down Transformer
  • Center Tap Options: None
  • Other Transformer Types / Applications: Coupling Transformer; Isolation
  • Power Rating (Watts): 0.5000
Step Down 230VAC to 115VAC Autotransformer -- ATT005
from Dongguan Yili Electronics Co., Ltd.

An Autotransformer is a kind of transformer with only one winding wound on a laminated core. An autotransformer is similar to a two-winding transformer but differs in the way that the primary and secondary winding are interrelated. A part of the winding is common to both primary and secondary sides. [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Other Transformer Types / Applications: Autotransformer
EI Transformer -- GE41-4-7VA
from Hengda Electronic Factory

The machine is used in the production of cold rolled silicon steel, mass production and 100% inspection. Epoxy resin vacuum filling, moisture-proof, dustproof and shockproof. All windings are stitching, compact, beautiful and weldable, and can be soldered directly onto PCB board. We have... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: PCB/SMD
Step Down Control Transformer 220V to 110V 600V to 240V 50-1500VA for Industrial Applications -- ICT004
from Dongguan Yili Electronics Co., Ltd.

We offer a complete line of control transformers for machine tools, electromagnetic devices, and industrial applications, which include multi-tap, step-up, step-down, open core, and encapsulation. Our control transformers are constructed with high-quality silicon steel lamination to minimize core... [See More]

  • Winding Turns: Step-Down Transformer
  • Mounting: Comes with heavy steel mounting feet for various mounting dimensions.
EI Type BK Transformer -- BK-100E
from Hengda Electronic Factory

The machine is used in the production of cold rolled silicon steel, mass production and 100% inspection. Transformer vacuum coating, automatic baking, moisture-proof anti-rust, beautiful appearance. Small volume, reliable connection, high grade and good performance. We have certificates such as UL,... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Step Down Electrical Transformer 200VA 250VA 500VA 750VA 1000VA 1500VA 1700VA 2000VA 3000VA -- EIT016
from Dongguan Yili Electronics Co., Ltd.

We manufacture low-frequency EI Transformers of all sizes and designs, ranging from EI 28 to EI 162 and wattage from 0.3VA to 5000VA. All the products use high-quality silicon steel sheet that features low consumption, high output power, high efficiency, low-temperature rise, low noise, and stable... [See More]

  • Winding Turns: Step-Down Transformer
  • Mounting: Chassis; Bracket, Chassis
  • Operating Frequency: 50 to 60
High Efficiency Toroidal Transformer -- HDB-200-2L
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Step Down Electrical Transformer 25VA 50VA 75VA 100VA 150VA 120/277/347 VAC to 12 VAC 120 VAC -- EIT017
from Dongguan Yili Electronics Co., Ltd.

We manufacture low-frequency EI Transformers of all sizes and designs, ranging from EI 28 to EI 162 and wattage from 0.3VA to 5000VA. All the products use high-quality silicon steel sheet that features low consumption, high output power, high efficiency, low-temperature rise, low noise, and stable... [See More]

  • Winding Turns: Step-Down Transformer
  • Mounting: Chassis; Bracket, Chassis
  • Operating Frequency: 50 to 60
High Efficiency Toroidal Transformer -- HDB-600
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Step Down Electrical Transformer 440V 460V to 30V 115V 120V -- EIT015
from Dongguan Yili Electronics Co., Ltd.

We manufacture low-frequency EI Transformers of all sizes and designs, ranging from EI 28 to EI 162 and wattage from 0.3VA to 5000VA. All the products use high-quality silicon steel sheet that features low consumption, high output power, high efficiency, low-temperature rise, low noise, and stable... [See More]

  • Winding Turns: Step-Down Transformer
  • Mounting: Chassis; Bracket, Chassis
  • Operating Frequency: 50 to 60
High Efficiency Toroidal Transformer -- HDB-600-2L
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Step up 1 Phase Autotransformer 120V 208V 240V to 230 240 380V 480V -- ATT002
from Dongguan Yili Electronics Co., Ltd.

An Autotransformer is a kind of transformer with only one winding wound on a laminated core. An autotransformer is similar to a two-winding transformer but differs in the way that the primary and secondary winding are interrelated. A part of the winding is common to both primary and secondary sides. [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Other Transformer Types / Applications: Autotransformer
High Efficiency Toroidal Transformer -- HDM-15
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Step-up Step-Down Autotransformer 100VA 200VA 300VA 500VA 750VA 1000VA 1500VA 2000VA 3000VA -- ATT004
from Dongguan Yili Electronics Co., Ltd.

An Autotransformer is a kind of transformer with only one winding wound on a laminated core. An autotransformer is similar to a two-winding transformer but differs in the way that the primary and secondary winding are interrelated. A part of the winding is common to both primary and secondary sides. [See More]

  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Other Transformer Types / Applications: Autotransformer
High Efficiency Toroidal Transformer -- HDM-15
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Isolation Transformer Toroidal -- HDB-45
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50
  • Other Transformer Types / Applications: Isolation; Electronics
  • Mounting: Chassis
Low-Frequency EI Transformer -- HDB-10E
from Hengda Electronic Factory

The machine is used in the production of cold rolled silicon steel, mass production and 100% inspection. Transformer vacuum coating, automatic baking, moisture-proof anti-rust, beautiful appearance. The terminal can be used to facilitate customer use. We have certificates such as UL, CE, RoHS, CESI,... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
PCB Transformer -- GE30-3-3VA
from Hengda Electronic Factory

The machine is used in the production of cold rolled silicon steel, mass production and 100% inspection. Epoxy resin vacuum filling, moisture-proof, dustproof and shockproof. All windings are stitching, compact, beautiful and weldable, and can be soldered directly onto PCB board. We have... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Standards / Compliance: RoHS
PCB Transformer -- ZE54-2-20
from Hengda Electronic Factory

The machine is used in the production of cold rolled silicon steel, mass production and 100% inspection. Transformer vacuum coating, automatic baking, moisture-proof anti-rust, beautiful appearance. All windings are stitching, compact, beautiful and weldable, and can be soldered directly onto PCB... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: PCB/SMD
PCB Transformer Single Phase Toroidal -- GO-8-12VA
from Hengda Electronic Factory

It adopts self-made low dissipation high quality ring core (PO less than 0.9w/Kg), small volume, high efficiency and low temperature rise. The patent technology realizes the needle distance and the distance can be adjusted according to the requirements of the customers. Epoxy resin vacuum filling,... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: PCB/SMD
Power Amplifier Toroidal Transformer -- HDV-500-GO
from Hengda Electronic Factory

The primary of transformer (100VA and below 100VA) has temperature thermal fuse. Above 100VA, the primary adding self recovery temperature thermal fuse, ensure the safety of the transformer. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The center hole is fixed (above 300VA has... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Toroidal Aluminum Transformer -- HDB-360-2L
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Toroidal Audio Transformer -- HDV-250
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Audio; Electronics
  • Mounting: Chassis
Toroidal Isolation Transformer -- HDB-360
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Isolation; Electronics
  • Mounting: Chassis
Toroidal Isolation Transformer 220V/24V for LED Lamp -- HDB-100
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: Step-Down Transformer
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Isolation; Electronics
  • Mounting: Chassis