EXC-14CH350U

Common Mode Chokes Overview

The EXC-14CH350U is a two-line common mode choke filter manufactured by Panasonic Electronic Components. It features a surface-mount design with four terminals, optimized for compact circuit board layouts. The component provides a common mode impedance of 35 ohms at a frequency of 100 MHz. It supports a maximum DC current of 100 mA and has a maximum DC resistance of 1.5 ohms. The device operates within a temperature range of -40°C to +85°C.

Common Mode Chokes Feature Summary

• Four-terminal surface mount configuration for efficient PCB space utilization
• Designed for common mode noise suppression in high-frequency applications
• Robust construction suitable for industrial operating temperatures

Common Mode Chokes Applications

• High-speed data line filtering
• USB interface noise suppression
• HDMI signal integrity protection
• General purpose EMI suppression in portable electronics

Common Mode Chokes Procurement Notes

Verify the specific suffix and tolerance requirements against the official Panasonic datasheet before ordering. Confirm that the 100 mA current rating meets the application's peak load demands. Ensure compatibility with standard reflow soldering profiles for SMD components. Check for any regional distribution restrictions or end-of-life notifications associated with this part number.

Common Mode Chokes Selection Notes

Select this component when a low-profile, four-terminal solution is required for differential signal lines. The 35 ohm impedance value targets specific noise frequencies around 100 MHz. Consider the 1.5 ohm DC resistance impact on signal voltage drop. Evaluate the physical dimensions against available board real estate constraints.

Common Mode Chokes Part Context

This component belongs to the EXC series of common mode chokes from Panasonic. The series offers various impedance values and package sizes to address different EMI/RFI mitigation needs. The EXC-14CH350U specifically addresses the need for compact filtering in dense electronic assemblies where space is limited.

Common Mode Chokes Replacement Considerations

Consult the official Panasonic replacement guide for direct equivalents. Verify pinout compatibility and impedance characteristics before substituting with other manufacturers' parts. Ensure thermal and electrical ratings match or exceed the original specifications.