7443081022

Fixed Inductors Overview

The Würth Elektronik 7443081022 is a shielded surface-mount power inductor from the WE-HCM series. It features an inductance of 220 nH with a tolerance of ±10%. The component supports a maximum DC current (Irms) of 38 A and a saturation current (Isat) of 39.1 A. Its maximum DC resistance is 0.29 mOhm. The device utilizes a flat wire construction and operates within a temperature range of -40°C to +125°C.

Fixed Inductors Feature Summary

• Shielded drum core design minimizes electromagnetic interference
• Flat wire winding technology enables high current handling capabilities
• Suitable for automated surface-mount assembly processes

Fixed Inductors Applications

• Point-of-load voltage regulation circuits
• High-frequency DC-DC converter stages
• Power distribution networks for digital processors

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct tolerance and packaging specifications. Confirm that the requested quantity aligns with standard reel or cut tape availability. Cross-reference the RoHS compliance status and any recent product change notices to guarantee material consistency and supply chain stability prior to final procurement authorization.

Fixed Inductors Selection Notes

Select this component when circuit requirements demand low inductance values combined with high current capacity. The low DC resistance reduces conduction losses in high-current paths. Ensure the operating frequency remains below the self-resonant frequency to maintain inductive behavior. Validate thermal management strategies to handle power dissipation at peak load currents within the specified temperature range.

Fixed Inductors Part Context

This part belongs to the WE-HCM series, which specializes in high-current SMD power inductors. The series utilizes flat wire technology to achieve superior current ratings compared to traditional round wire designs. This specific model represents a compact solution for modern power electronics requiring efficient space utilization and robust electrical performance.

Fixed Inductors Replacement Considerations

Consult the official Wurth Elektronik cross-reference documentation for verified substitute part numbers. Do not assume functional equivalence based solely on similar inductance or current ratings without verifying package dimensions and saturation characteristics.