SRF1260-220M

Overview

The SRF1260-220M is a shielded coupled inductor array manufactured by Bourns Inc. It features two coils with a ferrite core, designed for surface-mount assembly. The nominal inductance is 22 µH with a ±20% tolerance. In parallel configuration, the inductance is 22 µH with a maximum DC resistance of 45.1 mΩ and a rated current of 3.7 A. In series configuration, the inductance is 88 µH with a maximum DC resistance of 172 mΩ and a rated current of 1.84 A. The device operates within a temperature range of -40°C to 125°C.

Feature Summary

• Magnetically shielded construction minimizes electromagnetic interference.
• Dual-coil design supports flexible series or parallel circuit integration.
• Ferrite core material ensures stable performance under varying conditions.

Applications

• DC-DC converter circuits
• Power supply input/output filtering
• Automotive electronics systems

Procurement Notes

Verify component authenticity through authorized distributors. Confirm RoHS compliance status matches project requirements. Ensure storage conditions adhere to manufacturer guidelines to maintain solderability. Check datasheet revisions for any updates to mechanical dimensions or electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when space-constrained designs require coupled inductors with high current handling capabilities. The shielded structure is suitable for applications sensitive to magnetic coupling. Evaluate thermal management needs based on the specified operating temperature range and saturation currents.

Part Context

This part belongs to the SRF1260 series of coupled inductors from Bourns. The series offers various inductance values and current ratings in a standardized 12.50mm x 12.50mm footprint. It is designed for general-purpose power applications requiring compact, high-efficiency magnetic components.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter overlaps before replacing.

FAQ

What is the difference between series and parallel connection modes?

In parallel mode, the inductance is 22 µH with higher current capacity (3.7 A). In series mode, the inductance increases to 88 µH with lower current capacity (1.84 A).

Is the SRF1260-220M magnetically shielded?

Yes, the component features a magnetically shielded construction to reduce electromagnetic interference.