SRR1260A-180M

Fixed Inductors Overview

The Bourns SRR1260A-180M is a shielded surface-mount power inductor from the SRR1260A series, designed for automotive applications. It features an 18 µH nominal inductance with a ±20% tolerance and utilizes a ferrite core wirewound construction. The component measures 12.5 mm by 12.5 mm by 6.0 mm. Key electrical specifications include a saturation current of 3.9 A and an RMS current rating of 4.2 A. It exhibits a maximum DC resistance of 36 mΩ and a self-resonant frequency of 15.5 MHz. The device operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.

Fixed Inductors Feature Summary

• Shielded magnetic structure minimizes electromagnetic interference and reduces sensitivity to external magnetic fields.
• AEC-Q200 qualified for reliable performance in demanding automotive electronic environments.
• Ferrite core wirewound design supports high current handling capabilities.

Fixed Inductors Applications

• Automotive power supply circuits
• DC-DC converter output filtering
• On-board charging systems

Fixed Inductors Procurement Notes

Verify the specific part number suffix against official Bourns documentation to confirm exact tolerances and packaging configurations. Ensure that the procurement channel provides valid traceability for AEC-Q200 certified components intended for automotive use. Cross-reference the manufacturer datasheet for any recent updates regarding RoHS compliance status or recommended soldering profiles prior to finalizing orders.

Fixed Inductors Selection Notes

Select this component when designing automotive power stages requiring compact shielding and high current density. The 1260 package size offers a balance between thermal performance and board space efficiency. Consider the 3.9 A saturation limit for peak load conditions and the 4.2 A RMS rating for continuous operation. The low DC resistance aids in maintaining system efficiency during steady-state loads.

Fixed Inductors Part Context

This model belongs to the SRR1260A series of shielded power inductors manufactured by Bourns Inc. The series is specifically engineered for automotive electronics, adhering to strict reliability standards. It complements other components in power management subsystems where magnetic shielding and high current capacity are critical for stable operation under varying thermal conditions.

Fixed Inductors Replacement Considerations

Consult official Bourns substitution guides for verified alternatives within the SRR1260A family. Ensure that any replacement maintains identical footprint dimensions, inductance values, and current ratings to preserve circuit integrity without redesigning the PCB layout.