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The Schaffner RN122-1-02-1 is a current-compensated common mode choke designed for PCB mounting via through-hole termination. It features a ferrite core and operates within a temperature range of -40°C to +100°C. The component provides an inductance of 1 mH with a tolerance of -30% to +50%, tested at 10 kHz. It supports a maximum DC current of 2 A and has a maximum DC resistance of 70 mOhms. Physical dimensions are 17.7 mm x 17.1 mm x 12.6 mm.
Verify the specific part number against official TE Connectivity or Schaffner documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with existing PCB footprints and thermal management requirements. Cross-reference datasheets for any recent revisions that may affect pinout or material composition before finalizing procurement decisions.
Select this component when a low-profile, through-hole common mode choke is required for currents up to 2 A. Consider the 1 mH inductance value for target frequency attenuation. Verify that the 70 mOhm DC resistance meets power loss constraints. Ensure the operating temperature range aligns with the application environment.
This component belongs to the RN series of current-compensated chokes from Schaffner EMC Inc., now part of TE Connectivity. The series is characterized by compact dimensions and robust ferrite core technology, suitable for various EMC filtering applications in industrial and consumer electronics.
Check for direct substitutes within the RN series with matching inductance and current ratings. Verify pin compatibility and dimensional fit for alternative manufacturers offering similar through-hole common mode chokes.