74485540820

Arrays, Signal Transformers Overview

The Würth Elektronik 74485540820 is a WE-CFWI series coupled inductor array featuring two coils with an 8.2 µH parallel inductance and ±20% tolerance. It supports a maximum RMS current of 13.5 A in parallel configuration, with a saturated current of 14 A. The component exhibits a low DC resistance of 13 mΩ and operates within a temperature range of -40°C to +150°C. Its physical dimensions are 15.50 mm x 13.20 mm x 12.50 mm, housed in a shielded 4-SMD surface-mount package.

Arrays, Signal Transformers Feature Summary

• Dual-coil flatwire construction for high-current coupling applications
• Shielded magnetic design to minimize electromagnetic interference
• High thermal stability supporting operation up to 150°C

Arrays, Signal Transformers Applications

• Multi-phase synchronous buck converter input filtering
• High-density DC-DC power supply stages
• Automotive electronics requiring AEC-Q200 compliance

Arrays, Signal Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm pinout and tolerance variations. Ensure the procurement channel provides original manufacturer documentation. Cross-reference the RoHS certification status with current regulatory requirements before finalizing orders.

Arrays, Signal Transformers Selection Notes

Select this component when designing multi-phase converters requiring shared magnetic flux. Evaluate the 13.5 A RMS rating against peak load demands. Consider the 13 mΩ DCR for efficiency calculations. Confirm that the 15.5 mm footprint fits the PCB layout constraints.

Arrays, Signal Transformers Part Context

This part belongs to the WE-CFWI series, designed for compact, high-efficiency power solutions. It utilizes flatwire technology to reduce AC losses and improve thermal performance compared to traditional wire-wound inductors.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the WE-CFWI series offering different inductance values or current ratings. Verify mechanical compatibility and electrical parameters before substituting.