HCB121060-421L

Fixed Inductors Overview

The HCB121060-421L is a fixed surface-mount inductor from Delta Electronics/Components, designed for high-current applications. It features an inductance of 420 nH with a tolerance of ±15% and operates at a test frequency of 100 kHz. The component has a DC resistance (DCR) of 0.29 mΩ and supports a rated current of 37 A, with a saturation current (Isat) of 23 A. It is unshielded, housed in a nonstandard package measuring 11.00 mm x 7.20 mm x 7.20 mm, and functions within a temperature range of -40°C to 125°C.

Fixed Inductors Feature Summary

• High current handling capability with a rated current of 37 A and saturation current of 23 A.
• Low DC resistance of 0.29 mΩ for efficient power delivery.
• Unshielded design suitable for applications where magnetic interference is managed externally.
• Robust thermal performance operating reliably between -40°C and 125°C.

Fixed Inductors Applications

• Power supply output filtering
• DC-DC converter input/output stages
• Server and cloud computing equipment power systems

Fixed Inductors Procurement Notes

Verify the specific suffix 'L' against official datasheets to confirm compliance details, as ordering suffixes may indicate variations in packaging or material composition that do not alter electrical function. Ensure the procurement source provides valid RoHS3 certification documentation. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current availability status and standard lead times before finalizing orders.

Fixed Inductors Selection Notes

Select this component for circuits requiring low inductance values under high load conditions. The 420 nH value and 37 A rating make it suitable for bulk capacitance reduction in point-of-load converters. Consider the unshielded nature when layout planning to prevent magnetic coupling with nearby sensitive traces. Verify that the PCB footprint matches the nonstandard dimensions of 11.00 mm by 7.20 mm.

Fixed Inductors Part Context

This inductor belongs to the HCB121060 series, which focuses on high-power density solutions for modern electronics. Delta Electronics/Components utilizes this series to support demanding environments such as automotive and IoT devices. The HCB121060-421L specifically addresses the need for compact, high-current magnetic components in space-constrained power management modules.

Fixed Inductors Replacement Considerations

Direct substitutes include other 420 nH unshielded SMD inductors with comparable current ratings from Delta's HCB series, such as the HCB121060-421 if the 'L' suffix denotes only packaging differences. Verify mechanical height constraints and DCR specifications when evaluating cross-brand alternatives to ensure circuit stability.

Fixed Inductors FAQ

What is the saturation current (Isat) for the HCB121060-421L?

The saturation current is 23 A, indicating the current level at which the inductance drops significantly due to core saturation.

Is the HCB121060-421L shielded?

No, this component is unshielded, which requires careful layout consideration to manage electromagnetic interference.