RN142-1.4-02

Overview

The Schaffner RN142-1.4-02 is a through-hole common mode choke designed for electromagnetic interference suppression in single-phase circuits. It features a nominal inductance of 27 mH and supports a maximum current rating of 1.4 A. The component operates within a temperature range of -40°C to +100°C and utilizes horizontal pin termination for printed circuit board mounting.

Feature Summary

• Provides effective common mode noise attenuation for differential signal lines
• Supports high saturation current capabilities for stable operation under load
• Designed for reliable performance across wide industrial temperature ranges

Applications

• Power supply input filtering
• Battery charger circuits
• Portable electronic device power stages
• Energy-efficient system interfaces

Procurement Notes

Verify the specific manufacturer part number against official Schaffner documentation to ensure compatibility with design requirements. Confirm that the 27 mH inductance and 1.4 A current ratings align with the target application's electrical specifications before procurement.

Selection Notes

Select this component when designing single-phase systems requiring robust common mode noise suppression. Ensure the PCB layout accommodates the horizontal pin configuration and verify that the thermal environment remains within the specified -40°C to +100°C operating range for optimal longevity.

Part Context

This component belongs to the RN series of common mode chokes from Schaffner EMC Inc. These devices are engineered for general-purpose EMI filtering applications, offering a balance of inductance and current handling capacity suitable for compact electronic designs.

Replacement Considerations

Consult official Schaffner substitution guides for verified alternatives. Ensure any replacement maintains equivalent inductance, current rating, and physical footprint to preserve circuit integrity.