RN143-2-02

Overview

The Schaffner RN143-2-02 is a horizontal through-hole common mode choke from the RN series. It features an inductance of 10 mH with a tolerance of -30% to +50%. The component supports a maximum DC current of 2 A and has a maximum DC resistance of 240 mΩ. It operates within a temperature range of -40°C to +100°C.

Feature Summary

• Provides effective electromagnetic interference suppression for single-phase circuits
• Utilizes a horizontal mounting configuration for efficient PCB layout integration
• Constructed for reliable operation across wide industrial temperature ranges

Applications

• Power supply input filtering
• Battery charger EMI reduction
• Portable device power regulation

Procurement Notes

Verify the specific part number suffix against official Schaffner documentation to confirm exact electrical tolerances and physical dimensions. Ensure the selected variant matches the required inductance value and current rating for the target circuit design before procurement.

Selection Notes

Select this component based on its 10 mH inductance and 2 A current handling capability. Confirm that the horizontal package style fits the available board space and that the operating temperature range meets the environmental requirements of the final application.

Part Context

This component belongs to the Schaffner RN series of current-compensated chokes designed for EMC/EMI applications. The series offers various inductance values and current ratings, providing standardized solutions for noise suppression in electronic equipment requiring robust interference filtering.

Replacement Considerations

Consult official Schaffner cross-reference lists for verified substitutes. Generic equivalents may not match the specific inductance tolerance or thermal characteristics required for compliance.