SNCMC-127-017

Overview

The SNCMC-127-017 is a nanocrystalline common mode choke manufactured by Bel Signal Transformer. It features vertical through-hole mounting and operates within a temperature range of -25°C to +130°C. Key electrical parameters include an inductance of 9.1 mH at 10 kHz, impedance of 2.18 kOhms at 100 kHz, and a maximum DC current rating of 19 A. The component has a maximum DC resistance of 7 mOhms and a dielectric strength of 1500 Vrms. Physical dimensions are 37 mm in length, 25 mm in width, and 33 mm in height.

Feature Summary

• Utilizes nanocrystalline core material for high-performance common mode noise suppression
• Designed for vertical through-hole PCB mounting applications
• Provides high dielectric isolation with 1500 Vrms strength

Applications

• Power supply input filtering
• EMI suppression in industrial equipment
• Line filtering for AC/DC converters

Procurement Notes

Verify the specific datasheet version for the SNCMC-127-017 to confirm exact electrical tolerances and mechanical drawings. Ensure compatibility with vertical mounting requirements and thermal management needs up to 130°C. Cross-reference impedance values at 100 kHz against circuit design specifications to validate noise attenuation performance.

Selection Notes

Select this component when high inductance and low DC resistance are required for common mode noise reduction. The nanocrystalline core offers superior performance compared to standard ferrite cores in certain frequency ranges. Verify that the 19 A current rating meets the application's peak load requirements without saturation.

Part Context

This part belongs to the SNCMC series of common mode chokes from Bel Signal Transformer. The series utilizes nanocrystalline technology to provide effective electromagnetic interference suppression. These components are designed for robust performance in demanding power electronics environments requiring reliable noise filtering.

Replacement Considerations

Check for direct substitutes within the SNCMC series with matching inductance and current ratings. Verify that alternative parts maintain the same vertical through-hole footprint and height constraints. Ensure replacement components meet the 1500 Vrms dielectric strength requirement.