WTCF2012Z0M221PB

Overview

The WTCF2012Z0M221PB is a surface-mount common mode choke manufactured by Walsin Technology Corporation. It features a 2-line configuration with an impedance of 220 Ohms at 100 MHz and a maximum DC resistance of 400 mOhm. The component supports a current rating of 300 mA and operates within a voltage range up to 50V DC. Designed for signal filtering applications, it utilizes a compact SMD package suitable for automated assembly processes in electronic circuits requiring noise suppression.

Feature Summary

• Provides effective common mode noise suppression for differential signal lines
• Features low DC resistance to minimize signal loss and power dissipation
• Designed for high-frequency interference attenuation at 100 MHz
• Supports compact surface-mount integration for space-constrained designs

Applications

• High-speed data interface noise filtering
• USB port signal integrity protection
• HDMI cable interference suppression
• General-purpose EMI reduction in consumer electronics

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct impedance and tolerance specifications. Confirm that the supplier provides traceability records matching the original manufacturer's batch codes. Request updated datasheets to validate compliance with current environmental standards and RoHS directives before finalizing procurement agreements.

Selection Notes

Select this component when designing circuits requiring moderate current handling capabilities alongside specific high-frequency noise attenuation characteristics. Ensure the operating environment remains within the specified thermal limits to maintain performance stability. Evaluate the physical footprint constraints against the 0805 package dimensions to guarantee compatibility with existing PCB layouts and assembly equipment requirements.

Part Context

This component belongs to Walsin Technology Corporation's portfolio of passive magnetic components designed for signal processing applications. Common mode chokes are essential elements in modern electronics for maintaining signal integrity by suppressing electromagnetic interference. The product line emphasizes reliability and precision manufacturing standards to support diverse industrial and consumer technology sectors globally.

Replacement Considerations

Consult official substitution guides from Walsin Technology Corporation for verified equivalent parts. Cross-reference impedance values and current ratings carefully to ensure functional compatibility. Verify package dimensions and pin configurations match the target design requirements before implementing any alternative components in production workflows.