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The High Frequency Transformer EFD Type is a precision-engineered magnetic component designed for high-efficiency power conversion. Featuring an ultra-low profile height and a specialized square central column, these transformers are optimized for space-constrained environments without compromising on performance or thermal stability.
Engineered for versatility and reliability, the EFD series is an ideal choice for modern electronic assemblies requiring superior EMI performance. From server power supplies to industrial chargers, our EFD transformers ensure stable energy transmission and reduced electromagnetic interference in demanding high-frequency applications.
| Available Models | EFD15, EFD20, EFD25, EFD30, EFD40 | Physical Profile | Extremely low profile height |
|---|---|---|---|
| Core Architecture | Square central column | Wing Design | Narrow side wings |
| Winding Space | Relatively small winding window | Core Advantage | Ultra-low profile & low cost |
| EMI Performance | Excellent electromagnetic interference suppression | Primary Applications | Server & Communication Equipment |
| Secondary Applications | Industrial Power Supplies & High-Power Chargers | Customization | OEM & ODM Support Available |
Optimized core geometry ensures excellent EMI performance, reducing noise in sensitive circuits.
The extremely low profile design allows for higher PCB density and smaller chassis footprints.
Engineered for mass production to provide high-performance power conversion at a competitive cost.
Reliable performance across server, communication, and industrial power supply environments.
Square central column and narrow wings optimize flux distribution and efficiency.
Full ODM/OEM support for specific current, frequency, and size requirements.
High-volume manufacturing based on precise customer technical drawings.
Tailored solutions based on frequency, current, and dimensional needs.
Strict testing protocols to ensure every EFD transformer meets industry standards.
Streamlined procurement and delivery for large-scale industrial projects.
Professional adjustment of inductance and turns for optimal efficiency.
Expert guidance on integrating EFD types into communication power supplies.
| Feature | Standard Transformer | EFD Type Transformer |
|---|---|---|
| Profile Height | Standard/High | Ultra-Low Profile |
| EMI Performance | Moderate | Excellent |
| Manufacturing Cost | Average | Low Cost |
| Space Utilization | Standard | Maximum Efficiency |
| Application Range | General Purpose | High-Power/Server Grade |
The EFD type is characterized by its extremely low profile height and square central column, making it ideal for slim power supplies while maintaining excellent EMI performance.
They are widely used in Server and Communication equipment power supplies, industrial power units, and high-power chargers where space is limited.
Yes, we offer full ODM design services to customize transformers based on your specific requirements for current, frequency, and size.
Absolutely. We support large-scale OEM manufacturing according to provided customer drawings with strict quality control.
Thanks to its optimized core design and magnetic properties, the EFD type provides superior EMI suppression compared to traditional core shapes.
Our standard product line includes EFD15, EFD20, EFD25, EFD30, and EFD40 to accommodate various power levels and size constraints.
