Shah Electronics

SMD EFD-15 TFR Transformer is a compact, low-profile surface-mount transformer engineered for high-frequency power conversion in space-constrained electronic applications. Built on the EFD-15 ferrite core platform, this transformer offers high efficiency, low electromagnetic interference (EMI), and superior thermal stability, making it an ideal choice for DC-DC converters, LED drivers, and miniature SMPS modules.

Manufactured using high-quality ferrite materials and precision automated winding technology, the EFD-15 TFR Transformer provides low core losses, high isolation voltage, and excellent coupling efficiency. Its SMD-compatible design supports reflow soldering processes, ensuring high reliability and ease of integration in modern PCB assemblies.

• Ultra-compact and low-profile EFD-15 SMD design

• Optimized for high-frequency switching applications

• High power density with excellent efficiency

• Low leakage inductance and minimal EMI generation

• Stable inductance and electrical characteristics across temperatures

• Reflow soldering compatible (ideal for SMT assembly)

• Customizable turns ratio, inductance, and pin layout

• RoHS compliant and designed per IEC / UL safety standards

• DC-DC Converters and Power Supply Modules

• LED Driver Circuits and Lighting Systems

• Compact SMPS Power Supplies

• Communication and Networking Equipment

• Consumer and Industrial Electronics

• Battery-Powered and Portable Devices

• Automation and Control Circuits

SMD EFD-25 TFR Transformer is a low-profile, high-efficiency surface-mount transformer specially designed for Switch Mode Power Supplies (SMPS), DC-DC converters, and LED driver circuits. Based on the EFD-25 ferrite core platform, it provides excellent power handling capability with minimal losses, ensuring superior performance in compact, high-frequency power designs.

Manufactured using high-permeability ferrite cores and precision winding technology, the EFD-25 TFR transformer delivers low leakage inductance, high isolation voltage, and stable inductance across varying temperatures. Its SMD-compatible construction enables automated reflow soldering, making it suitable for mass production and space-saving PCB layouts.

• Compact, low-profile EFD-25 ferrite core design

• Optimized for high-frequency power conversion

• Excellent efficiency with low core and copper losses

• High isolation and dielectric strength for safety compliance

• Stable performance under wide temperature and frequency ranges

• Suitable for automated SMD assembly (reflow compatible)

• Custom turns ratio and pin configuration options available

• RoHS compliant and meets IEC / UL standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Power Modules

• LED Driver Circuits

• Communication and Networking Equipment

• Industrial Control and Automation Systems

• Consumer and Medical Electronics

• Battery Chargers and Power Management Systems

EFD-20 10-PIN SMPS Transformer is a compact, high-efficiency ferrite core transformer specifically designed for Switch Mode Power Supplies (SMPS) and DC-DC converter applications. Built with an EFD-20 ferrite core and a 10-pin horizontal package, this transformer offers excellent thermal stability, low leakage inductance, and superior energy conversion efficiency in a low-profile design ideal for space-constrained PCBs.

Engineered for reliable power conversion and isolation, the EFD-20 transformer ensures stable output performance and minimal EMI, making it suitable for a wide range of consumer electronics, communication equipment, industrial controls, and LED power drivers.

• Compact and low-profile design for high-density PCB mounting

• High-frequency operation (up to 200 kHz) with low core loss

• Excellent coupling efficiency and minimal stray capacitance

• Superior dielectric strength and insulation resistance

• Low temperature rise and high reliability for continuous operation

• RoHS compliant and UL94V-0 rated materials

• Customizable winding and pin configuration as per design requirements

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters

• LED Drivers and Power Modules

• Battery Chargers

• Power Adapters and Mobile Chargers

• Industrial and Communication Equipment

• Low-Voltage Power Conversion Circuits

SMD EFD-20 TFR Transformer is a compact, high-efficiency surface-mount power transformer designed for DC-DC converters, LED drivers, and Switch Mode Power Supplies (SMPS). Built on the EFD-20 ferrite core platform, it offers low-profile design, excellent thermal performance, and high power density, making it ideal for modern compact electronic applications.

Engineered using high-frequency ferrite materials and precision winding techniques, the EFD-20 TFR transformer ensures low core losses, high isolation voltage, and superior EMI performance. It is an excellent choice for applications requiring stable power conversion and high efficiency in space-constrained circuits.

• Compact, low-profile SMD EFD-20 design suitable for automated assembly

• Optimized for high-frequency switching applications

• High efficiency with low leakage inductance and minimal core loss

• Excellent isolation and dielectric strength

• Stable inductance and temperature characteristics

• Available in custom turns ratios and pin configurations

• High mechanical reliability for surface-mount reflow soldering

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

• DC-DC Converters and Isolated Power Modules

• LED Drivers and Power Management Systems

• Switch Mode Power Supplies (SMPS)

• Industrial Control and Automation Circuits

• Communication and Networking Equipment

• Consumer and Medical Electronics

• Battery Chargers and Portable Devices