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The KEMET SSR21NVS-M18125 is a through-hole common mode filter choke designed for AC line filtering applications. It features a ferrite core and operates within a temperature range of -25°C to +120°C. Key electrical specifications include an inductance of 12.5 mH measured at 10 kHz, a maximum DC current rating of 1.8 A, and a maximum DC resistance (DCR) of 190 mOhms. The component supports a voltage rating of 250 VAC and has physical dimensions of 23 mm in diameter and 14.5 mm in height.
Verify the specific part number against official KEMET documentation to ensure compatibility with design requirements. Confirm that the 1.8 A current rating and 190 mOhm DCR meet circuit specifications. Check for any recent product change notices or obsolescence alerts directly from the manufacturer before finalizing procurement decisions.
Select this component when a 12.5 mH inductance at 10 kHz is required for common mode noise attenuation. Ensure the PCB layout accommodates the 23 mm diameter and 14.5 mm height constraints. Verify that the operating environment stays within the -25°C to +120°C thermal limits and that the 1.8 A current capacity suffices for the application load.
This component belongs to the KEMET SSR21NVS-M series of AC line filters. It is categorized under common mode chokes within the broader inductor and choke family. The series is engineered for through-hole assembly, providing robust EMI filtering solutions for standard AC power inputs in various electronic devices.
The alias UALS21V1812500 may be referenced in some documentation. Cross-reference with other KEMET models like SSR21NHS-M18125 if higher current ratings are needed, but verify pinout and dimensional compatibility before substitution.
The inductance of 12.5 mH is specified at a test frequency of 10 kHz.
No, the SSR21NVS-M18125 is an unshielded common mode choke.