RN112-4-02

Overview

The Schaffner RN112-4-02 is a horizontal common mode choke designed for power line filtering. It features an inductance of 0.7 mH and supports a maximum DC current of 4 A. The component has a maximum DC resistance of 24 mΩ and operates within a temperature range of -40°C to +100°C. Its physical dimensions are 17.7 mm in length, 17.1 mm in width, and 12.6 mm in height. The device utilizes a ferrite core and employs through-hole termination for PCB mounting.

Feature Summary

• Provides common mode noise suppression for power lines
• Utilizes a ferrite core for effective electromagnetic interference filtering
• Designed for horizontal surface mounting on printed circuit boards

Applications

• Power supply input filtering
• Electronic equipment EMI suppression
• Industrial control systems

Procurement Notes

Verify the specific suffix (e.g., -D) against the datasheet to confirm exact electrical tolerances and packaging details. Ensure the selected variant matches the required current rating and inductance specifications for the target application circuit design.

Selection Notes

Select this component based on the 4 A current handling capability and 0.7 mH inductance requirement. Confirm that the through-hole footprint and horizontal orientation fit the available PCB space and assembly constraints.

Part Context

This part belongs to the Schaffner RN series of common mode chokes. These components are engineered for general-purpose EMI filtering in compact electronic designs requiring reliable performance across wide temperature ranges.

Replacement Considerations

Consult official substitution lists for compatible parts with matching inductance and current ratings. Verify pin compatibility and mechanical dimensions before replacing.