RD8137-64-0M5

Overview

The Schaffner RD8137-64-0M5 is a three-line common mode choke from the RD series, designed for PCB and chassis mounting. It features a nanocrystalline core with an inductance of 500 µH at 1 kHz and a tolerance of -30% to +50%. The component supports a maximum DC current of 64 A with a typical DC resistance of 1.35 mΩ. It operates within a temperature range of -25°C to +110°C, utilizes Litz wire construction, and meets UL 94V-0 flammability standards.

Feature Summary

• Utilizes nanocrystalline core material for high-performance electromagnetic interference suppression
• Features Litz wire construction to optimize circuitry for EMC applications
• Designed for horizontal installation with IP00 protection rating
• Supports PD2 pollution degree environments for industrial reliability

Applications

• AC and DC filtering for midsize power range drives
• Medical and laboratory equipment such as CAT scanners and X-ray systems
• Photovoltaic inverters and EV charging stations
• UPS and switch mode power supplies

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and terminal configurations. Ensure compatibility with the intended PCB footprint or chassis mounting requirements. Confirm that the 64 A current rating aligns with the system's peak load demands. Check for RoHS compliance documentation if required by regional regulations. Validate the operating temperature range against the environmental conditions of the final assembly.

Selection Notes

Select this component when high current handling capacity is required alongside effective common mode noise suppression. The nanocrystalline core offers superior performance compared to traditional ferrite cores in specific frequency ranges. Consider the physical dimensions and mounting style to ensure integration into the available space. Evaluate the thermal management capabilities given the high current rating and self-heating characteristics under full load conditions.

Part Context

This part belongs to the Schaffner RD series of discrete chokes, which are engineered for suppressing radio frequency interference. The series provides optimized circuitry solutions for electromagnetic compatibility. These components are widely used in industrial and medical applications where reliable noise filtration is critical for system stability and regulatory compliance.

Replacement Considerations

Consult the official Schaffner cross-reference guide for verified substitutes. Ensure any replacement matches the 500 µH inductance, 64 A current rating, and three-line configuration. Verify mechanical compatibility including lead spacing and mounting orientation.