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The RN143-0.5-02-100M is a common mode filter choke from the Schaffner RN series, designed for PCB mounting via through-hole termination. It features a current compensated choke type with a ferrite core and unshielded construction. The component has a maximum DC current rating of 0.5 A and an inductance of 100 mH at a test frequency of 10 kHz. Its maximum DC resistance is 2.9 Ohms, and it operates within a temperature range of -40°C to +100°C. The physical dimensions are approximately 33.1 mm in length, 32.5 mm in width, and 19.7 mm in height.
Verify the specific part number against official TE Connectivity or Schaffner documentation to confirm electrical parameters such as inductance tolerance and current ratings. Ensure that the through-hole pin spacing and physical footprint match the target PCB layout requirements before procurement.
Select this component when a low-current (0.5 A) common mode choke is required for horizontal PCB mounting. Consider the 100 mH inductance value for applications needing moderate noise attenuation at 10 kHz. Evaluate the 2.9 Ohm DC resistance impact on circuit efficiency and thermal management within the operating temperature range.
This component belongs to the Schaffner RN series of common mode chokes, manufactured by TE Connectivity / Schaffner. The series offers various current and inductance options for EMC filtering applications. The RN143-0.5-02-100M specifically addresses needs for lower current ratings compared to higher-capacity variants in the same family.
Cross-reference with other RN series parts like RN143-6-02-1M8 for higher current needs, but verify pin compatibility and inductance differences. No direct public substitute part numbers are confirmed for this specific model.