HCB1190-551L

Fixed Inductors Overview

The HCB1190-551L is a fixed surface-mount inductor from Delta Electronics/Components, featuring an unshielded design. It offers an inductance of 550 nH with a tolerance of ±15%, tested at 100 kHz. The component supports a rated current of 50 A and a saturation current (Isat) of 23 A. Its DC resistance (DCR) is 0.31 mOhm. The package dimensions are 11.00 mm in length, 7.20 mm in width, and 7.20 mm in maximum height. It operates within a temperature range of -40°C to 125°C.

Fixed Inductors Feature Summary

• Unshielded construction for high-current power applications
• Low DC resistance of 0.31 mOhm for efficient power delivery
• High saturation current capability of 23 A
• Surface mount installation for automated assembly

Fixed Inductors Applications

• Power supply modules
• Server and cloud computing equipment
• Automotive electronics systems
• IoT device power management

Fixed Inductors Procurement Notes

Verify the specific ordering suffix 'L' against the manufacturer's official documentation to ensure compliance with RoHS3 standards and lead-free requirements. Confirm that the unshielded magnetic field characteristics align with your PCB layout constraints to prevent interference with adjacent components. Check moisture sensitivity level (MSL 1) handling procedures during storage and assembly.

Fixed Inductors Selection Notes

Select this component when high current handling is required alongside low impedance. The unshielded design necessitates careful placement to avoid magnetic coupling issues. Ensure the operating environment stays within the specified -40°C to 125°C range. Compare the 23 A saturation limit against peak load currents to prevent performance degradation.

Fixed Inductors Part Context

This part belongs to the HCB1190 series of fixed inductors from Delta Electronics/Components. The series includes variants with different inductance values and current ratings, such as the HCB1190-321L and HCB1190-471L1. These components are designed for passive and magnetic applications in portable devices and industrial markets.

Fixed Inductors Replacement Considerations

Direct substitutes include other HCB1190 series parts like HCB1190-321L or HCB1190-471L1 if inductance differences are acceptable. Verify pin compatibility and thermal characteristics before substitution.