SPM6550T-6R8M-HZR

Fixed Inductors Overview

The TDK SPM6550T-6R8M-HZR is a shielded surface-mount power inductor from the SPM-HZR series, designed for automotive applications. It features a metal core and offers an inductance of 6.8 µH with a tolerance of ±20%. The component is rated for a maximum DC current of 13.2 A and a saturation current of 7.9 A, with a maximum DC resistance of 38.7 mΩ. It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.

Fixed Inductors Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Shielded construction to minimize electromagnetic interference
• High current handling capability suitable for power conversion

Fixed Inductors Applications

• Automotive DC-DC converters
• On-board charging systems
• Power distribution modules

Fixed Inductors Procurement Notes

Verify the specific suffix HZR against the official TDK datasheet to confirm it denotes the reel packaging variant rather than a different electrical specification. Ensure the design-in process accounts for the thermal performance at the specified 13.2 A rating. Confirm availability status as some related models may be subject to lifecycle changes.

Fixed Inductors Selection Notes

Select this component when high current density and low DC resistance are required in an automotive environment. The 6.8 µH value suits intermediate voltage steps in power stages. Compare the 7.9 A saturation limit against peak load requirements to prevent inductance collapse. The shielded type reduces coupling noise compared to unshielded alternatives.

Fixed Inductors Part Context

This part belongs to the SPM-HZR series of SMD power inductors manufactured by TDK Corporation. The series is characterized by its metal composite core technology, which provides superior thermal stability and high saturation currents. The 6550T package dimensions (7.1mm x 6.5mm x 5.0mm) allow for compact PCB layouts in space-constrained automotive electronics.

Fixed Inductors Replacement Considerations

SPM6550T-6R8M-HZ is a similar non-reel variant with identical electrical parameters. Verify if the packaging difference affects assembly automation. No direct cross-manufacturer substitutes are listed in public documentation; alternative selection requires matching inductance, current ratings, and AEC-Q200 certification.