750315504

Overview

The Würth Elektronik 750315504 is a surface-mount power transformer designed for resonant converter applications within DC/DC switching mode power supplies. It features dual primary and dual secondary windings with an inductance of 2.5 mH at 10 kHz. The component supports a primary voltage range of 3 V to 3.6 V and provides 1500 Vrms isolation. Operating frequencies span 30 kHz to 70 kHz, with a rated power of 40 mW and a secondary current capacity of 10 mA. It is optimized for the TPS60402 chipset and operates between -40°C and +105°C.

Feature Summary

• Designed specifically for resonant converter topologies in DC/DC conversion systems
• Provides high electrical safety through 1500 Vrms isolation barrier
• Features dual primary and dual secondary winding configurations for flexible circuit integration

Applications

• Resonant converter circuits
• DC/DC converter modules
• Switching mode power supplies (SMPS)

Procurement Notes

Verify the manufacturer part number 750315504 against official Wurth Elektronik documentation to ensure authenticity. Confirm that the specific package variant matches the required surface-mount footprint dimensions of 7.87 mm by 8.38 mm. Check RoHS compliance status and moisture sensitivity level requirements prior to assembly to prevent soldering defects during reflow processes.

Selection Notes

Select this component when designing low-power resonant converters requiring high isolation voltages. Ensure the target application frequency falls within the 30 kHz to 70 kHz operational range. Verify compatibility with the intended controller chipset, such as the TPS60402, and confirm that the 40 mW power rating meets the load requirements without exceeding thermal limits.

Part Context

This transformer belongs to the MID-HB series from Würth Elektronik, which focuses on compact power solutions for portable and battery-operated devices. The series emphasizes high efficiency and small form factors suitable for space-constrained electronics. It complements other components in the manufacturer's portfolio for complete power management designs.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.