SRF0703HA-220M

Arrays, Signal Transformers Overview

The Bourns SRF0703HA-220M is a shielded coupled inductor array featuring two coils with a parallel inductance of 22 µH and a tolerance of ±20%. It operates within a temperature range of -55°C to +150°C. The component measures 7.6 mm x 7.6 mm x 3.4 mm and utilizes surface-mount termination. Key electrical specifications include a maximum DC resistance of 0.15 ohms in parallel configuration, an RMS current rating of 1.62 A, and a saturation current of 1.67 A.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture providing configurable series or parallel connectivity
• Shielded magnetic design to minimize electromagnetic interference
• High thermal stability supporting operation up to 150°C

Arrays, Signal Transformers Applications

• DC-DC converter input/output filtering
• Power delivery networks for voltage regulation modules
• Coupled inductor applications in synchronous buck converters

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix 'HA' against the manufacturer's latest datasheet to confirm package dimensions and material composition. Ensure the selected variant matches the required inductance tolerance and current ratings for the target circuit. Cross-reference ordering codes with authorized distributors to avoid counterfeit components.

Arrays, Signal Transformers Selection Notes

Select this component when high-temperature performance and compact footprint are critical. The dual-coil design allows for interleaving to reduce ripple current in multiphase converters. Compare the 1.62 A RMS rating against peak load requirements to ensure adequate margin. Consider the 7.6 mm square profile for space-constrained PCB layouts.

Arrays, Signal Transformers Part Context

This part belongs to the SRF0703HA series of shielded coupled inductors from Bourns Inc. The series offers various inductance values optimized for power management applications. The HA designation typically indicates specific thermal or mechanical enhancements compared to standard variants.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes include other SRF0703HA series parts with different inductance values, such as SRF0703HA-102M or SRF0703HA-221M, provided electrical parameters match the design requirements.