WCM 2012F2SF-121T04

Overview

The WCM2012F2SF-121T04 is a two-line common mode choke manufactured by TAI-TECH Advanced Electronics Co., Ltd. in the 0805 (2012 metric) surface-mount package. It provides an impedance of 120 Ohms at 100 MHz and supports a current rating of 400 mA with a DC resistance of 300 mOhm.

Feature Summary

• Dual-channel design for simultaneous noise suppression on paired signal lines
• Compact 0805 footprint suitable for high-density PCB layouts
• Low DC resistance to minimize power loss in signal paths

Applications

• High-speed data line protection
• USB interface circuits
• HDMI signal integrity enhancement

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct impedance and tolerance specifications. Confirm package dimensions and termination compatibility during component sourcing to prevent assembly issues.

Selection Notes

Select this component based on required impedance values at specific operating frequencies and current handling capabilities. Ensure the physical size fits the designated board space and that the DC resistance meets the system's power efficiency requirements.

Part Context

This component belongs to TAI-TECH's SMD common mode choke series, designed for electromagnetic interference suppression in compact electronic devices. The company specializes in passive components for automotive and industrial applications.

Replacement Considerations

Consult official cross-reference lists or datasheets for compatible alternatives with matching impedance curves and current ratings.