SRR4018-820Y

Fixed Inductors Overview

The Bourns SRR4018-820Y is a shielded surface-mount power inductor from the SRR4018 series, featuring a ferrite core and wirewound construction. It provides an inductance of 82 µH with a tolerance of ±30%. The component operates within a temperature range of -40°C to +125°C. Key electrical parameters include a maximum DC current of 880 mA, a saturation current of 300 mA, and a maximum DC resistance of 300 mΩ. The unit measures 4.8 mm x 4.8 mm x 1.9 mm.

Fixed Inductors Feature Summary

• Shielded design minimizes magnetic field interference for stable circuit performance.
• Wirewound ferrite core construction supports high reliability in power applications.
• Compact surface-mount footprint facilitates automated assembly processes.

Fixed Inductors Applications

• Power supply circuits
• DC-DC converter modules
• General power electronics systems

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct packaging configuration. Confirm that the requested part number matches the exact inductance value and tolerance requirements for the target application. Cross-reference the datasheet specifications for thermal limits and current ratings prior to procurement to prevent operational mismatches.

Fixed Inductors Selection Notes

Select this component based on its 82 µH inductance and 880 mA continuous current rating. Evaluate the 300 mA saturation threshold to ensure adequate margin under peak load conditions. Consider the 300 mΩ DC resistance for efficiency calculations and the operating temperature range suitability for the intended environment.

Fixed Inductors Part Context

This component belongs to the SRR4018 series of shielded SMD power inductors manufactured by Bourns. The series utilizes a drum core structure designed for compact power delivery solutions. It is categorized under fixed inductors and chokes, serving as a passive energy storage element in modern electronic power architectures.

Fixed Inductors Replacement Considerations

The PM42S-101-RC is identified as a cross-reference alternative for this part number. Verify mechanical dimensions and electrical characteristics against the original specification before substitution.

Fixed Inductors FAQ

What is the saturation current for the SRR4018-820Y?

The saturation current is specified as 300 mA.

Does the SRR4018-820Y feature shielding?

Yes, the component is a shielded power inductor.