TCM0403M-120-2P-T210

Overview

The TCM0403M-120-2P-T210 is a two-channel thin-film common mode filter manufactured by TDK Corporation. It operates within a temperature range of -25°C to +85°C and features surface mount termination. Key electrical specifications include an inductance of 140 nH with a 30% tolerance, a maximum DC current rating of 50 mA, and a maximum DC resistance of 2 ohms. The component utilizes a 0403 (0907 metric) package with a length of 0.45 mm.

Feature Summary

• Ultra-compact thin-film construction designed for high-density PCB layouts
• Engineered for effective noise suppression in high-speed differential signal lines
• Surface mount configuration facilitates automated assembly processes

Applications

• USB 2.0 interface protection
• LVDS signal line filtering
• High-speed data bus EMI suppression

Procurement Notes

Verify the specific part number suffix against official TDK documentation to confirm exact electrical characteristics and packaging details. Ensure compatibility with your PCB footprint and reflow soldering profile requirements before finalizing procurement decisions.

Selection Notes

Select this component when space constraints require a 0403 footprint for common mode noise reduction. Confirm that the 50 mA current rating meets the operational requirements of the target differential pair without causing excessive insertion loss or saturation issues.

Part Context

This device belongs to the TCM-M series of thin-film common mode filters. The series is characterized by its small form factor and consistent performance across various high-speed digital interfaces, providing reliable electromagnetic interference mitigation in compact electronic designs.

Replacement Considerations

Consult official TDK substitution guides for verified alternatives. Do not assume functional equivalence with other series components without verifying pinout, impedance, and thermal specifications.