WCM5555FASV-501-LM

Overview

The WCM5555FASV-501-LM is a surface mount common mode choke from TAI-TECH Advanced Electronics. It provides 500 Ohms impedance at 100 MHz and handles a current rating of 4.5A. The DC resistance (DCR) is 10.5 mOhm. The component is rated for AEC-Q200 standards, ensuring reliability in automotive environments. It features a horizontal package with four PCB pads.

Feature Summary

• Designed for high-current applications with low DC resistance to minimize power loss.
• Complies with AEC-Q200 qualification standards for automotive electronic components.
• Utilizes a surface mount horizontal package suitable for automated assembly processes.

Applications

• Automotive data center systems
• Electric vehicle charging infrastructure
• Advanced driver assistance systems (ADAS)
• Connected car and C-V2X communication modules

Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and tape-and-reel specifications. Confirm that the supplier provides traceability documentation required for automotive-grade components. Check for specific handling instructions related to moisture sensitivity levels if applicable. Ensure the source is an authorized distributor to guarantee component authenticity and compliance with quality standards.

Selection Notes

Select this component when designing circuits requiring robust EMI suppression for high-current lines in automotive applications. The 4.5A rating supports power delivery while the 500 Ohm impedance effectively attenuates common mode noise at 100 MHz. Consider the physical dimensions and mounting orientation during PCB layout to ensure adequate clearance and thermal management within the constrained spaces typical of modern vehicle electronics.

Part Context

This component belongs to the WCM5555FASV series of wire wound power common mode filters manufactured by TAI-TECH. The series is engineered for demanding electromagnetic interference suppression tasks. The specific model integrates high magnetic permeability materials to achieve performance metrics suitable for strict automotive industry requirements and safety standards.

Replacement Considerations

Consult official manufacturer substitution lists for verified equivalents. Cross-reference impedance curves and saturation current ratings to ensure functional compatibility. Verify pinout and mechanical footprint alignment before replacing existing designs with alternative parts.