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Product Detailed Parameters
- Description：XFMR POE DC/DC CONV 20.4UH 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：-
- Voltage - Auxiliary：8V @ 20mA
- Voltage - Isolation：1500Vrms
- Inductance @ Frequency：20.4µH @ 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 750310027 is a surface-mount Power over Ethernet (PoE) transformer designed for DC/DC converter applications within switch-mode power supplies. It features an isolation voltage of 1500Vrms and operates at a frequency of 200kHz. The component has a primary voltage rating of 9V to 50V and a secondary voltage rating of 3.3V. The inductance is specified as 20.4µH at 10kHz. It includes an auxiliary voltage specification of 8V @ 20mA. The device is RoHS compliant, REACH unaffected, and carries an MSL rating of 1.
Feature Summary
- Designed specifically for Power over Ethernet (PoE) applications
- Provides high isolation voltage of 1500Vrms
- Optimized for use in DC/DC converters and SMPS
- Surface mount package suitable for automated assembly
Applications
- Power over Ethernet (PoE) systems
- DC/DC converter circuits
- Switch-mode power supply (SMPS) designs
Procurement Notes
Verify the specific datasheet revision and electrical parameters against the manufacturer's official documentation before integration. Confirm that the operating frequency and isolation requirements align with the target circuit design. Ensure compliance with RoHS and REACH regulations as stated in the product specifications. Check for any recent Product Change Notifications that may affect performance or packaging.
Selection Notes
Select this component when designing PoE-powered devices requiring robust isolation and compact surface-mount solutions. The 1500Vrms isolation capability supports safety standards for networked equipment. Consider the 200kHz operating frequency for compatibility with standard switching regulators. Verify pinout and footprint dimensions against PCB layout constraints prior to final selection.
Part Context
This part belongs to the WE-PoE and MID-PoE series from Würth Elektronik, which specializes in magnetics for networking applications. It is categorized under Power Transformers and Switching Converter Transformers. The component is actively supported with design tools such as RedExpert and available ECAD models for schematic and PCB integration.
Replacement Considerations
Cross-reference with other MID-PoE series variants if different voltage ratings or form factors are required. No direct substitute part numbers are confirmed in the provided data.
