DO1813H-333MLD

Fixed Inductors Overview

The Coilcraft DO1813H-333MLD is an unshielded surface-mount power inductor from the DO1813H series, utilizing a ferrite core and wirewound construction. It offers a nominal inductance of 32.5 µH with a 20% tolerance. The component supports a maximum DC current of 820 mA and features a DC resistance of 350 mOhms. It exhibits a self-resonant frequency of 20 MHz and operates within a temperature range of -40°C to +85°C. Designed for automotive applications, it meets AEC-Q200 qualification standards.

Fixed Inductors Feature Summary

• AEC-Q200 qualified for automotive reliability requirements
• Unshielded wirewound design on ferrite core
• Surface-mount package optimized for high-current power applications

Fixed Inductors Applications

• Automotive power supply circuits
• DC-DC converter filtering
• General purpose power inductor tasks

Fixed Inductors Procurement Notes

Verify the specific suffix 'MLD' against official Coilcraft documentation to confirm packaging configuration and availability status. Ensure the selected variant matches the required inductance value of 32.5 µH and current ratings for the target application. Cross-reference the datasheet for precise mechanical dimensions and termination specifications before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when an unshielded topology is acceptable to minimize magnetic interference with nearby circuitry. The DO1813H series provides a balance of size and performance suitable for space-constrained automotive designs. Consider the 350 mOhm DC resistance for efficiency calculations and ensure the operating environment stays within the specified -40°C to +85°C range.

Fixed Inductors Part Context

This part belongs to the DO1813H series of SMT power inductors manufactured by Coilcraft. The series is characterized by its robust construction and suitability for demanding environments. It complements other variants in the lineup that offer different inductance values and current handling capabilities while maintaining consistent physical footprint and mounting characteristics.

Fixed Inductors Replacement Considerations

Direct substitutes are not explicitly listed in the provided public data. Evaluate other DO1813H series variants or comparable unshielded power inductors from Coilcraft based on matching inductance, current rating, and package dimensions.