SRR0735A-121M

Fixed Inductors Overview

The Bourns SRR0735A-121M is a shielded surface-mount power inductor with a nominal inductance of 120 µH and a tolerance of ±20%. It features a maximum DC resistance of 720 mΩ, a saturation current of 550 mA, and a rated current of 530 mA. The component operates within a temperature range of -40°C to +125°C and holds AEC-Q200 automotive qualification. Its physical dimensions are 7.3 mm x 7.3 mm x 3.5 mm.

Fixed Inductors Feature Summary

• Shielded drum core construction minimizes electromagnetic interference
• Automotive-grade reliability certified under AEC-Q200 standards
• Surface-mount design facilitates automated assembly processes

Fixed Inductors Applications

• Automotive power supply circuits
• DC-DC converter filtering stages
• On-board charger energy storage

Fixed Inductors Procurement Notes

Verify the specific suffix designation against official Bourns documentation to confirm exact electrical tolerances and packaging specifications. Ensure that procurement channels provide valid traceability records for automotive-grade components. Cross-reference the manufacturer's latest datasheet to confirm compliance with RoHS directives and halogen-free status requirements before finalizing orders.

Fixed Inductors Selection Notes

Select this component when designing compact power stages requiring high shielding effectiveness to reduce magnetic coupling. The 120 µH value suits applications needing moderate energy storage with limited space constraints. Evaluate thermal management capabilities based on the 550 mA saturation limit and ambient operating conditions to ensure stable performance during peak load scenarios.

Fixed Inductors Part Context

This part belongs to the SRR0735A series of shielded power inductors manufactured by Bourns. The series offers various inductance values within a standardized 0735 package footprint. These components are engineered for high-density electronic assemblies where size reduction and electromagnetic compatibility are critical design parameters.

Fixed Inductors Replacement Considerations

Consult the official Bourns SRR0735A series datasheet for direct substitute part numbers within the same product line. Verify dimensional compatibility and electrical parameter alignment before considering alternative manufacturers.