EI Series SMPS Transformer

Product Details:

EI-40(V) SMPS Transformer is a high-efficiency power transformer designed for Switch Mode Power Supply (SMPS) and DC-DC converter applications. Constructed using a high-quality EI-40 ferrite core with a vertical (V-type) mounting configuration, this transformer provides superior magnetic coupling, low core loss, and excellent thermal performance. Its vertical design supports compact PCB layouts, making it an ideal choice for medium-to-high power electronic circuits requiring stability, reliability, and high conversion efficiency.

• Operating frequency range: 20kHz to 500kHz

• Vertical (V-type) EI-40 ferrite core for compact and efficient PCB mounting

• High magnetic permeability with low-loss ferrite material

• Excellent insulation resistance and dielectric strength

• Optimized design for stable, high-frequency SMPS performance

• Customizable inductance, turns ratio, and pin configuration

• Supports multiple SMPS topologies (Flyback, Forward, Push-Pull, and Half-Bridge)

• RoHS compliant and conforms to IEC/UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• LED Drivers and Power Adapters

• Battery Chargers and Solar Power Systems

• Industrial Control and Automation Equipment

• Consumer and Communication Electronics

Additional Information:

• Item Code: SE-EI-40-V

Product Details:

EI-35 SMPS Transformer is a high-efficiency magnetic component designed for Switch Mode Power Supply (SMPS) and DC-DC converter applications. Built with a durable EI-35 ferrite core, it delivers superior magnetic performance, low core loss, and excellent thermal stability under high-frequency operation. Its compact structure supports both vertical and horizontal mounting, providing design flexibility for a wide range of power electronics applications.

• Operating frequency range: 20kHz to 500kHz

• High-quality EI-35 ferrite core for low-loss and high-efficiency power transfer

• Excellent dielectric strength and insulation resistance

• Compatible with multiple SMPS topologies (Flyback, Forward, Push-Pull, and Half-Bridge)

• Customizable inductance, winding ratio, and pin configuration

• Compact, lightweight design for efficient PCB integration

• RoHS compliant and meets IEC/UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• LED Drivers and Power Adapters

• Battery Chargers and Solar Power Units

• Industrial Automation and Control Systems

• Consumer and Communication Electronics

Additional Information:

• Item Code: SE-EI-3512T

Product Details:

EI-28(10-V) SMPS Transformer is a high-efficiency magnetic component designed for Switch Mode Power Supply (SMPS) and DC-DC converter applications. Constructed using a high-quality EI-28 ferrite core with a 10-pin vertical (V-type) configuration, this transformer ensures excellent magnetic performance, minimal core loss, and reliable insulation. The compact vertical structure allows for efficient PCB mounting, making it an ideal choice for space-constrained and high-density electronic designs.

• Operating frequency range: 20kHz to 500kHz

• Vertical (V-type) 10-pin design for compact PCB mounting

• High magnetic permeability and low-loss ferrite material

• Excellent dielectric strength and insulation resistance

• Optimized for high-frequency SMPS and DC-DC circuits

• Customizable inductance, turns ratio, and winding design

• Available in various mounting and pin configurations

• RoHS compliant and meets IEC/UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• LED Drivers and Power Adapters

• Battery Chargers and Solar Power Systems

• Industrial Automation and Control Equipment

• Consumer and Communication Electronics

Additional Information:

• Item Code: SE-EI-28-10

Product Details:

EI-33 SMPS Transformer is a high-efficiency, compact magnetic component designed for Switch Mode Power Supply (SMPS) and DC-DC converter applications. Engineered with a durable EI-33 ferrite core, it provides excellent magnetic performance, low core loss, and superior thermal stability at high switching frequencies. The EI-33 design supports both vertical and horizontal mounting options, making it suitable for a wide range of compact power conversion circuits.

• Frequency range: 20kHz to 500kHz

• High permeability, low-loss ferrite material

• Excellent dielectric strength and insulation resistance

• Optimized for high power density and compact designs

• Supports multiple topologies — flyback, forward, half-bridge, and push-pull

• Customizable winding ratio, inductance, and pin configuration

• RoHS compliant and designed as per IEC/UL standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• LED Drivers and Power Adapters

• Battery Chargers and Solar Power Systems

• Industrial Automation Equipment

• Consumer and Communication Electronics

Additional Information:

• Item Code: SE-EI-33

Product Details:

EI-28(12 PIN) SMPS Transformer is a high-performance magnetic component designed for Switch Mode Power Supply (SMPS) and DC-DC converter applications. Built with a premium EI-28 ferrite core and a 12-pin bobbin, this transformer ensures high magnetic efficiency, low core loss, and superior electrical insulation. The design provides excellent performance in compact, high-frequency power circuits where stable output, high reliability, and thermal efficiency are essential.

• Operating frequency range: 20kHz to 500kHz

• High-quality EI-28 ferrite core for efficient energy transfer

• 12-pin bobbin design for flexible circuit integration

• Low core loss and high magnetic permeability

• Excellent dielectric strength and insulation resistance

• Customizable winding configuration, inductance, and turns ratio

• Supports multiple SMPS topologies: flyback, forward, push-pull, and half-bridge

• RoHS compliant and conforms to IEC/UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• LED Drivers and Power Adapters

• Battery Chargers and Power Modules

• Industrial Automation and Control Systems

• Consumer and Communication Electronics

Additional Information:

• Item Code: SE-EI-2811-12-PIN

Product Details:

EI-28 (16 PIN) SMPS Transformer is a compact, high-efficiency transformer designed for Switch Mode Power Supply (SMPS) and DC-DC converter applications. Built with a robust EI-28 ferrite core and 16-pin bobbin, it ensures excellent magnetic coupling, low core loss, and superior thermal performance at high switching frequencies. This transformer is ideal for medium-power circuits where compact size, high reliability, and efficiency are essential.

• Operating frequency range: 20kHz to 500kHz

• High-quality EI-28 ferrite core for low-loss performance

• Equipped with a 16-pin bobbin for flexible circuit integration

• Excellent insulation resistance and dielectric strength

• High magnetic permeability and thermal stability

• Customizable winding configuration and turns ratio

• Suitable for various SMPS topologies (flyback, forward, push-pull, etc.)

• RoHS compliant and meets IEC/UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• LED Drivers and Power Adapters

• Battery Chargers and Power Modules

• Consumer and Industrial Electronics

• Communication and Control Equipment

Additional Information:

• Item Code: SE-EI-2811-16Pin

Product Details:

LED Driver Transformer EI-28(16 PIN) is a high-performance ferrite transformer designed specifically for LED driver circuits and Switch Mode Power Supply (SMPS) applications. Built with a durable EI-28 ferrite core and a 16-pin bobbin, this transformer provides excellent magnetic coupling, high conversion efficiency, and stable performance at high switching frequencies. Its compact design and reliable insulation make it ideal for energy-efficient LED power supplies and lighting control systems.

• Frequency range: 20kHz to 500kHz

• High-quality EI-28 ferrite core for low-loss and high-efficiency operation

• 16-pin bobbin for easy PCB mounting and stable electrical connections

• High dielectric strength and insulation resistance

• Optimized for LED driver and SMPS topologies

• Compact, lightweight, and thermally stable design

• Customizable winding configuration and inductance

• RoHS compliant and designed as per IEC/UL safety standards

• LED Drivers and Lighting Power Supplies

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters

• Battery Chargers and Power Adapters

• Consumer and Industrial Electronics

• Automation and Control Systems

Product Details:

The EI Series SMPS Transformer is a high-efficiency power transformer designed for Switch Mode Power Supply (SMPS), DC-DC converters, and industrial control circuits. Constructed using high-quality EI ferrite cores, these transformers deliver superior magnetic performance, low core loss, and high thermal stability at high operating frequencies. The EI series is available in multiple sizes and configurations, offering excellent versatility and compatibility with a wide range of electronic power conversion applications.

• Wide frequency operation range: 20kHz to 500kHz

• High permeability ferrite core with low power loss

• Excellent magnetic coupling and energy transfer efficiency

• Available in multiple sizes and mounting types (vertical & horizontal)

• Customizable inductance, turns ratio, and winding configuration

• Excellent insulation resistance and dielectric strength

• RoHS compliant and meets IEC/UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• LED Drivers and Power Adapters

• Battery Chargers and Solar Power Systems

• Industrial Control Equipment and Automation Devices

• Consumer Electronics and Communication Equipment

Product Details:

Pulse Transformer EI-40(V) is a precision-engineered transformer designed for accurate pulse transmission and high-frequency signal coupling in electronic circuits. Built using a vertical EI-40 ferrite core, it offers low core loss, high magnetic coupling, and excellent insulation performance. The vertical (V-type) design ensures compact PCB mounting, making it ideal for applications that demand reliable pulse transfer, signal isolation, and minimal waveform distortion.

• Operating frequency range: 20kHz to 500kHz

• Vertical (V-type) EI-40 ferrite core for efficient PCB mounting

• High magnetic permeability and low-loss ferrite material

• Excellent insulation resistance and dielectric strength

• Low leakage inductance for improved signal accuracy

• Customizable winding configuration and turns ratio

• RoHS compliant and meets IEC/UL safety standards

• Pulse and Signal Transformers

• Gate Drive Circuits for MOSFETs and IGBTs

• Switching Power Supplies (SMPS)

• DC-DC Converter Circuits

• Communication and Control Equipment

• Industrial Electronics and Measurement Systems

Product Details:

LED Driver Transformer EI-28(10-V) is a compact, high-efficiency transformer designed for LED lighting power supplies and Switch Mode Power Supply (SMPS) applications. Featuring a 10-pin vertical (V-type) design and EI-28 ferrite core, this transformer ensures excellent magnetic coupling, low core loss, and high thermal stability. Its vertical mounting configuration allows for optimized PCB layout, making it ideal for compact LED driver circuits where efficiency and reliability are critical.

• Operating frequency range: 20kHz to 500kHz

• Vertical (V-type) 10-pin configuration for compact PCB design

• High magnetic permeability and low-loss ferrite material

• Excellent dielectric strength and insulation resistance

• Optimized for LED driver and SMPS applications

• Customizable winding ratio and inductance based on design needs

• Low leakage inductance for improved efficiency

• RoHS compliant and meets IEC/UL safety standards

• LED Drivers and Power Supplies

• Switch Mode Power Supplies (SMPS)

• DC-DC Converter Circuits

• Battery Chargers and Adapters

• Consumer and Industrial Electronics

• Automation and Lighting Control Systems

Product Details:

LED Driver Transformer EI-28(12 PIN) is a high-efficiency transformer specially designed for LED lighting power supplies and Switch Mode Power Supply (SMPS) circuits. Constructed with a high-grade EI-28 ferrite core and a 12-pin bobbin, it provides excellent magnetic coupling, low core loss, and stable electrical performance over a wide frequency range. Its compact size and superior insulation make it ideal for energy-efficient, high-reliability LED driver circuits used in modern lighting solutions.

• Operating frequency range: 20kHz to 500kHz

• High-quality EI-28 ferrite core for superior energy transfer

• 12-pin bobbin design for stable PCB mounting and connectivity

• Excellent dielectric strength and insulation resistance

• High magnetic permeability and low-loss ferrite material

• Optimized for LED driver and SMPS topologies (Flyback / Forward)

• Customizable winding configuration, inductance, and turns ratio

• RoHS compliant and conforms to IEC/UL safety standards

• LED Drivers and Lighting Power Supplies

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Battery Chargers

• Power Adapters and Control Circuits

• Consumer Electronics and Industrial Automation

• Energy-Efficient Lighting and Smart Lighting Systems