EPC3472G-LF

Switching Converter, SMPS Transformers Overview

The EPC3472G-LF is a surface-mount flyback transformer manufactured by PCA Electronics, Inc., designed for Power over Ethernet (PoE) Powered Device applications. It provides 1500Vrms isolation and supports a switching frequency of 250kHz. The component delivers a 5V output with a 25W power rating, featuring an input voltage range of 9 to 57V. It incorporates a primary inductance of 9µH at 100kHz and utilizes the LTC4278 chipset architecture. The unit is lead-free compliant and suitable for DC/DC converter topologies requiring high reliability.

Switching Converter, SMPS Transformers Feature Summary

• Provides robust 1500Vrms electrical isolation for safety compliance
• Optimized for PoE Powered Device power supply architectures
• Supports wide input voltage ranges from 9V to 57V
• Designed for integration with specific analog controller chipsets

Switching Converter, SMPS Transformers Applications

• Power over Ethernet (PoE) Powered Devices
• SMPS DC/DC Converters
• Industrial communication equipment power supplies

Switching Converter, SMPS Transformers Procurement Notes

Verify that the specific order includes the -LF suffix to ensure lead-free compliance. Confirm the manufacturer is PCA Electronics, Inc., as generic listings may lack technical accuracy. Check datasheet revisions for any updates to insulation class or thermal ratings before finalizing procurement specifications.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing PoE PD circuits requiring 25W output power. Ensure the design accommodates the 250kHz switching frequency and 9µH primary inductance. Verify compatibility with the target controller IC, such as the LTC4278, to guarantee proper magnetics interaction and system stability.

Switching Converter, SMPS Transformers Part Context

This part belongs to the EPC series of flyback transformers from PCA Electronics, Inc. These components are engineered for high-reliability applications in networking and industrial sectors. The series emphasizes compact surface-mount packaging and strict adherence to IEEE 802.3 PoE standards for modern network infrastructure.

Switching Converter, SMPS Transformers Replacement Considerations

Direct substitutes within the same family include variants like EPC3248G-14 for different power levels. Cross-reference pinouts and inductance values carefully when considering alternative manufacturers' offerings to ensure circuit compatibility.