RN222-3-02

Overview

The Schaffner RN222-3-02 is a vertical through-hole common mode choke from the RN series. It features a ferrite core and operates within a temperature range of -40°C to +100°C. The component has a maximum DC current rating of 3 A, an inductance of 4.5 mH, and a maximum DC resistance of 40 milliohms. Its physical dimensions are 31.00 mm in length, 18.00 mm in width, and a maximum height of 29.60 mm.

Feature Summary

• Provides attenuation for common-mode or asymmetric interference signals when connected in series with the phase.
• Designed for conducted EMI suppression in power line applications.

Applications

• Conducted EMI suppression in power line applications
• Attenuation of common-mode interference signals
• Attenuation of asymmetric (P/N –> E) interference signals

Procurement Notes

Verify the specific part number against official Schaffner documentation to confirm electrical ratings and mechanical dimensions. Ensure the selected component matches the required current and inductance specifications for the target application. Cross-reference datasheets for accurate thermal and environmental operating limits.

Selection Notes

Select this component based on its 3 A current rating and 4.5 mH inductance requirements. Consider the vertical through-hole mounting style and specified physical dimensions for PCB layout compatibility. Verify that the ferrite core material and unshielded design meet the electromagnetic interference suppression needs of the circuit.

Part Context

This component belongs to the RN series of common mode chokes manufactured by Schaffner EMC Inc. These devices are engineered for robust performance in filtering applications, utilizing a ferrite core construction to manage electromagnetic interference effectively across various industrial and commercial power systems.

Replacement Considerations

Consult official manufacturer substitution lists for verified alternatives. Ensure any replacement maintains identical electrical characteristics, including inductance, current rating, and DC resistance, as well as compatible mechanical footprint and mounting configuration.

FAQ

What type of interference signals does the RN222-3-02 attenuate?

It attenuates common-mode or asymmetric (P/N –> E) interference signals.

How is the RN222-3-02 typically connected in a circuit?

It is connected in series with the phase.