7427520

Overview

The Würth Elektronik WE-CMS 7427520 is a surface-mount common mode choke designed for power electronics and noise suppression. It features a 30 Ω impedance at 100 MHz, supports a maximum DC current of 17 A, and has a low DC resistance of 3 mΩ. The component utilizes a bead array configuration to effectively filter common-mode noise in high-current applications.

Feature Summary

• Surface-mount design for automated assembly
• High current handling capability up to 17 A
• Low DC resistance for minimal power loss
• Effective common-mode noise suppression

Applications

• Power supply input filtering
• Data line protection
• Industrial control systems
• Automotive electronics

Procurement Notes

Verify the specific package dimensions and pin configuration against the official datasheet before integration. Confirm that the 17 A current rating aligns with your system's peak load requirements. Ensure compatibility with standard reflow soldering profiles to maintain component integrity during assembly.

Selection Notes

Select this component when high current capacity and low insertion loss are critical. The 30 Ω impedance provides effective filtering for common-mode interference without significantly affecting differential signals. Consider thermal management requirements due to the high current handling capabilities.

Part Context

Part of the WE-CMS series, designed for compact PCB layouts. Offers reliable performance in demanding environments. Complies with RoHS standards. Suitable for applications requiring robust EMI/RFI suppression in space-constrained designs.

Replacement Considerations

Check for equivalent impedance and current ratings from other manufacturers. Verify pinout compatibility if direct replacement is required. Ensure thermal characteristics match the original design specifications.