74438324015HT

Fixed Inductors Overview

The Würth Elektronik 74438324015HT is a shielded surface-mount power inductor from the WE-MAPI series. It features a 1.5 µH nominal inductance with ±20% tolerance and a maximum DC resistance of 102.1 mΩ. The component supports an RMS current rating of 4.7 A and a saturation current of 4 A. Designed for high-temperature environments, it operates within a range of -40°C to +150°C. The unit utilizes a metal composite core and is housed in a 1008 (2520 Metric) package measuring 2.50 mm x 2.00 mm x 1.20 mm.

Fixed Inductors Feature Summary

• Shielded construction utilizing metal composite core technology to minimize electromagnetic interference
• High thermal stability rated for operation up to 150°C
• Compact 1008 footprint designed for dense surface-mount applications

Fixed Inductors Applications

• Point-of-load voltage regulation modules
• DC-DC converter input and output filtering
• High-current power supply circuits

Fixed Inductors Procurement Notes

Verify the specific suffix HT against official manufacturer documentation to confirm the extended temperature rating and electrical characteristics differ from standard variants. Ensure the procurement channel provides valid traceability and authenticity certificates. Cross-reference the full part number with the latest datasheet to confirm availability status and any recent product change notifications before finalizing orders.

Fixed Inductors Selection Notes

Select this component when designing circuits requiring high current handling in compact spaces. The 4.7 A RMS rating and 4 A saturation current support demanding power delivery needs. The shielded design is critical for noise-sensitive layouts. Confirm that the 1008 package dimensions fit the PCB footprint constraints and that the 150°C operating range meets the environmental requirements of the target application.

Fixed Inductors Part Context

This part belongs to the WE-MAPI series of miniature high-current inductors from Würth Elektronik. The series is characterized by its shielded structure and metal composite core, which provide low magnetic flux leakage. The 74438324015HT specifically denotes the high-temperature variant within this family, offering enhanced thermal performance compared to standard industrial grade components while maintaining the same physical envelope.

Fixed Inductors Replacement Considerations

Direct substitutes include other WE-MAPI series parts with matching 1.5 µH inductance and similar current ratings. Verify that alternative components support the required 150°C operating temperature and have compatible DCR values to ensure equivalent circuit performance.