RT8522-20-3M0

Overview

The Schaffner RT8522-20-3M0 is a vertical through-hole common mode choke from the RT Series, designed for PCB mounting. It features a ferrite core and handles a maximum DC current of 20 A with an inductance of 3 mH. The component has a maximum DC resistance of 7 mΩ and operates within a temperature range of -40°C to +100°C. It supports a maximum operating voltage of 300 VDC and meets Overvoltage Category III standards.

Feature Summary

• Vertical two-wire PCB mounting configuration
• Ferrite core construction for EMC/RFI suppression
• Current compensated choke design

Applications

• AC/DC filtering applications
• General electromagnetic interference suppression

Procurement Notes

Verify the specific datasheet version for the RT8522-20-3M0 to confirm exact mechanical dimensions and pinout compatibility before integration. Ensure that the thermal management strategy accounts for the 100°C maximum operating temperature limit under full 20 A load conditions. Cross-reference the manufacturer's official documentation for any updates regarding RoHS compliance status or material declarations.

Selection Notes

Select this component when a vertical form factor is required for space-constrained PCB layouts. The 20 A current rating and 3 mH inductance make it suitable for moderate power line filtering. Compare against horizontal variants like the RT8122 series if board orientation constraints differ. Verify that the 7 mΩ DCR aligns with system efficiency requirements.

Part Context

This part belongs to the Schaffner RT Series of common mode chokes, which are engineered for robust EMI suppression in industrial and commercial electronics. The series offers various current ratings and inductance values to accommodate different power line filtering needs across diverse application environments.

Replacement Considerations

Publicly confirmed substitute part numbers for the RT8522-20-3M0 were not identified in the provided source data.