EF13 3+3 Pin Offline Flyback Transformer for Compact AC-DC Power Supply, Miniature High Frequency Transformer

Product Overview

The EF12.6 5+5 Pin Offline Transformer is designed for compact low-power AC-DC switching power supply systems requiring stable high-frequency energy transfer, reliable electrical isolation, and efficient PCB integration.

Built with an EF12.6 ferrite core structure and 5+5 pin configuration, the transformer provides compact installation capability and stable electrical performance for flyback converter topologies.

Optimized for low-power offline SMPS applications, the transformer supports reliable operation under continuous high-frequency switching conditions while helping improve overall conversion efficiency.

Its compact structure makes it suitable for embedded electronics, smart control systems, adapters, and small AC-DC power modules where PCB space utilization is critical.

Customized turns ratios, insulation systems, winding structures, and output specifications are available according to application requirements.

Key Features

• EF12.6 ferrite core structure

• 5+5 pin compact PCB design

• Optimized for flyback topology

• Stable high-frequency switching performance

• Reliable electrical isolation

• Suitable for low-power SMPS systems

• Efficient PCB space utilization

• Flexible customization support

Miniaturization Advantage

With its small EF core size, the transformer significantly reduces PCB space usage while maintaining reliable electrical performance.

High-Frequency Optimization

• Designed for high switching frequency operation

• Reduced copper loss and improved efficiency

• Optimized for fast transient response

Typical Applications