RN143-1-02

Overview

The Schaffner RN143-1-02 is a through-hole common mode choke designed for electromagnetic interference suppression. It features an inductance of 47 mH and supports a maximum DC current of 1 A. The component utilizes a two-line configuration suitable for horizontal PCB mounting. It operates within a temperature range of -40°C to +100°C and complies with RoHS standards.

Feature Summary

• Provides effective common mode noise attenuation for differential signal lines
• Supports robust operation across wide industrial temperature extremes
• Facilitates reliable printed circuit board integration via through-hole termination

Applications

• Industrial machinery control circuits
• Medical equipment power supplies
• Motion drive systems

Procurement Notes

Verify the specific part number against official Schaffner documentation to confirm pinout orientation and mechanical dimensions. Ensure the selected component matches the required inductance tolerance and current rating for the target application environment. Cross-reference datasheets for compliance certifications relevant to the end product's regulatory requirements.

Selection Notes

Select this component when high inductance values are required for low-frequency noise suppression in single-phase applications. Consider the physical footprint and lead spacing compatibility with existing PCB layouts. Evaluate thermal performance under continuous load conditions to ensure stability within the specified operating temperature range.

Part Context

This component belongs to the RN series of common mode chokes manufactured by Schaffner EMC Inc., now part of TE Connectivity. The series is engineered for general-purpose EMI filtering in electronic systems requiring reliable noise reduction without significant signal distortion.

Replacement Considerations

RN143-1-02-47M