RN122-1-02

Overview

The RN122-1-02 is a current compensated common mode choke manufactured by Schaffner EMC Inc. It features a ferrite core and is designed for through-hole PCB mounting in a horizontal orientation. The component provides an inductance of 18 mH with a tolerance range of -30% to +50%. It supports a maximum DC current of 1 A and has a maximum DC resistance of 630 mOhms. Rated for AC voltages up to 300 V, it operates within a temperature range of -40°C to +100°C. The physical dimensions are 27 mm x 28 mm x 16.5 mm.

Feature Summary

• Current compensated design for effective noise suppression
• Horizontal through-hole mounting configuration
• Ferrite core construction for stable performance

Applications

• Power line filtering applications
• Electromagnetic interference (EMI) suppression
• Common mode noise reduction in electronic circuits

Procurement Notes

Verify the manufacturer part number against official Schaffner documentation to ensure authenticity. Confirm that the specific suffix matches the required electrical parameters, as variations may exist within the product family. Check RoHS compliance status via the official datasheet before integration into regulated products.

Selection Notes

Select this component when a 18 mH inductance value is required for common mode noise attenuation. Ensure the circuit design accommodates the 1 A current rating and the specified DC resistance. Verify that the horizontal package dimensions fit the available PCB real estate and that the operating temperature range meets environmental requirements.

Part Context

This component belongs to the RN series of common mode chokes from Schaffner EMC Inc. It is categorized under inductors, chokes, and coils. The product is identified by the internal code 2156-839-10647310 and is classified as a current compensated choke type.

Replacement Considerations

RN122-1-02-18M is a documented variant with identical electrical characteristics.