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Product Detailed Parameters
- Description：XFMR POE DC/DC CONV 500UH SMD
- Series：WE-PoE, MID-POE
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：For DC/DC Converters
- Applications：Power Over Ethernet (PoE)
- Intended Chipset：-
- Chipset Manufacturer：-
- Voltage - Primary：33 ~ 57V
- Voltage - Auxiliary：8V @ 20mA
- Voltage - Isolation：1500Vrms
- Inductance @ Frequency：500µH @ 10kHz
- Frequency：200kHz
- Operating Temperature：-
- Mounting Type：Surface Mount
- Size / Dimension：-
- Height - Seated (Max)：-
- Footprint：-
- Style：-
- Grade：-
- Qualification：-
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Overview
The Würth Elektronik 750310020 is a surface-mount Power over Ethernet (PoE) transformer designed for DC/DC converter applications within Switch Mode Power Supplies. It features a single primary winding and an auxiliary winding, providing 1500Vrms isolation voltage. The component operates at a frequency of 200kHz with an inductance of 500µH measured at 10kHz. Primary voltage ratings range from 33V to 57V, while the auxiliary supply requires 8V at 20mA. It is housed in a compact SMD package suitable for automated assembly processes.
Feature Summary
- Provides high-voltage isolation between input and output circuits
- Optimized for Power over Ethernet power delivery systems
- Designed specifically for integration with DC/DC converters
Applications
- Power over Ethernet (PoE) infrastructure equipment
- DC/DC converter modules
- Switch Mode Power Supply (SMPS) designs
Procurement Notes
Verify the specific datasheet revision against the manufacturing date code to ensure compliance with recent design corrections. Confirm that the required auxiliary winding specifications match the target controller IC requirements. Ensure storage conditions adhere to moisture sensitivity level guidelines prior to reflow soldering.
Selection Notes
Select this component when designing PoE-powered devices requiring robust galvanic isolation. The 1500Vrms rating supports standard safety requirements for low-voltage data networks. Verify footprint compatibility with the PCB layout constraints before finalizing the bill of materials.
Part Context
This part belongs to the WE-PoE series by Würth Elektronik, which specializes in magnetics for networked power applications. The MID-POE designation indicates its classification within their board-mount transformer portfolio, targeting compact industrial and commercial networking hardware.
Replacement Considerations
Check manufacturer documentation for any direct pin-compatible substitutes within the same series. Cross-reference electrical parameters such as isolation voltage and inductance tolerance if considering alternative vendors.
