74485540170

Arrays, Signal Transformers Overview

The Würth Elektronik 74485540170 is a shielded coupled inductor from the WE-CFWI series, designed for high-current applications. It features two coils with an inductance of 1.7 µH in parallel and 6.8 µH in series. The component supports a maximum DC current of 21 A in parallel configuration and 10.5 A in series, with a low parallel DC resistance of 3.3 mΩ. It operates within a temperature range of -40°C to +150°C and utilizes a 4-SMD surface mount package measuring 13.2 mm x 13.2 mm x 10.5 mm.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture enabling flexible series or parallel connection configurations
• Shielded magnetic design to minimize electromagnetic interference
• High saturation current capability for demanding power stages

Arrays, Signal Transformers Applications

• Multi-phase synchronous buck converters
• Point-of-load (POL) voltage regulation modules
• High-efficiency DC-DC step-down power supplies

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix codes against official Wurth Elektronik documentation to confirm exact electrical tolerances and packaging variants. Ensure compatibility with automated pick-and-place equipment regarding the 4-SMD footprint dimensions. Cross-reference the RoHS compliance status with the latest environmental declarations prior to final procurement approval.

Arrays, Signal Transformers Selection Notes

Select this component when designing multi-phase power architectures requiring tight coupling and high current density. Evaluate the thermal performance at the target operating current to ensure the 150°C rating is not exceeded. Compare the series versus parallel inductance values against the controller's switching frequency requirements for optimal ripple cancellation.

Arrays, Signal Transformers Part Context

This part belongs to the WE-CFWI series of flat wire coupled inductors. These components are engineered for compact power solutions where space constraints and efficiency are critical. The series emphasizes low profile and high thermal stability for modern electronic systems.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik substitution guides for direct equivalents within the WE-CFWI family. Verify pinout compatibility and mechanical dimensions before integrating alternative parts into existing PCB layouts.