SSR21NH-041290

Overview

The KEMET SSR21NH-041290 is a through-hole common mode choke designed for AC line filtering applications. It features an inductance of 129 mH and supports a maximum DC current of 400 mA. The component has a maximum DC resistance of 1.85 Ohms and operates within a temperature range of -25°C to +120°C. Rated for 250VAC, it utilizes a PCB mount installation style with dimensions of 3.5 mm length, 16 mm width, and 27 mm height.

Feature Summary

• Provides common mode noise suppression for AC line circuits
• Supports through-hole PCB mounting for secure mechanical attachment
• Operates reliably across a wide industrial temperature range

Applications

• AC power line input filtering
• Electromagnetic interference suppression in consumer electronics
• Noise reduction in low-power AC powered devices

Procurement Notes

Verify the specific suffix (NV vs NH) as availability may vary by manufacturer region or production batch. Confirm end-of-life status with the supplier prior to final design approval, as discontinuation notices have been issued. Ensure compatibility with existing PCB footprints and thermal management requirements during integration planning.

Selection Notes

Select this component when a high-inductance common mode choke is required for low-current AC lines. Verify that the 400 mA current rating meets the circuit's peak load demands. Consider the physical dimensions for enclosure space constraints. Check RoHS compliance documentation if environmental regulations apply to the target market.

Part Context

This part belongs to the KEMET SSR21NV/NH series of AC line filters. These components are engineered for compact designs requiring effective common mode noise attenuation. The series typically serves general-purpose electronic equipment where size and performance balance are critical for signal integrity.

Replacement Considerations

SSR21NH-M041500 is listed as a suggested substitute by manufacturers. Verify electrical parameters and physical dimensions before substitution.