RN242-0.5-02

Overview

The Schaffner EMC Inc. RN242-0.5-02 is a through-hole common mode choke designed for power line filtering applications. It features a vertical package with four solder pins and supports a maximum current rating of 500 mA. The component operates within a frequency range of 0 Hz to 400 Hz and exhibits a typical DC resistance of 2.7 Ohms. It is certified under UL, CSA, and IEC/EN standards, ensuring compliance with international safety regulations for electronic equipment.

Feature Summary

• Provides common mode noise suppression for single-phase power lines
• Designed for reliable through-hole PCB mounting via four-pin configuration
• Complies with major international safety certifications including UL, CSA, and IEC/EN

Applications

• Single-phase power line filtering in electronic devices
• EMI suppression in equipment operating at frequencies up to 400 Hz
• Safety-certified power input stages in consumer or industrial electronics

Procurement Notes

Verify the specific part number RN242-0.5-02 against official TE Connectivity/Schaffner documentation to confirm pinout, tolerance, and certification status. Ensure compatibility with your board layout and thermal requirements. Cross-reference datasheets for DC resistance and current ratings to validate performance in your specific circuit design before procurement.

Selection Notes

Select this component when a low-current (500 mA) common mode choke is required for single-phase AC or DC power lines. Consider its vertical form factor for space-constrained PCB layouts. Verify that the 2.7 Ohm DC resistance aligns with your system's voltage drop constraints. Confirm that the 0-400 Hz operational range meets your application's frequency needs.

Part Context

The RN242 series represents Schaffner's line of through-hole common mode chokes intended for general-purpose EMI filtering. This specific model targets low-current applications where compact vertical mounting is preferred. It belongs to a family of components designed to meet stringent international safety standards for power line interference reduction.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official TE Connectivity/Schaffner documentation for direct replacements or cross-reference similar specifications from other manufacturers if necessary.