SNCMC-127-021

Overview

The SNCMC-127-021 is a nanocrystalline common mode choke from the Bel Signal Transformer SNCMC series. Designed for vertical through-hole mounting, this unshielded component features a single channel configuration with an inductance of 26.8 mH and an impedance of 6.63 kOhms at 100 kHz. It supports a maximum DC current of 14 A with a maximum DC resistance of 25 mOhms. The unit operates within a temperature range of -25°C to +130°C and measures 37 mm in length, 25 mm in width, and 35 mm in height.

Feature Summary

• Utilizes nanocrystalline core material for high efficiency and low power loss
• Engineered for vertical PCB mounting via through-hole termination
• Provides effective common mode noise suppression in a compact form factor

Applications

• Power line filtering
• Common mode noise suppression
• Electromagnetic interference reduction in electronic circuits

Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with vertical mounting requirements and through-hole assembly processes. Cross-reference technical specifications with the latest datasheet to validate performance characteristics for your specific design application.

Selection Notes

Select this component when high inductance and significant impedance are required for common mode noise attenuation in power applications. The nanocrystalline construction offers advantages in size and weight compared to traditional ferrite alternatives. Consider the 14 A current rating and thermal operating limits during circuit design to ensure reliable operation under load conditions.

Part Context

This component belongs to the SNCMC series of nanocrystalline common mode chokes manufactured by Bel Signal Transformer. The series is characterized by its use of advanced nanocrystalline materials to achieve superior filtering performance in a reduced footprint. These components are specifically designed to address electromagnetic interference challenges in modern electronic systems requiring efficient noise suppression.

Replacement Considerations

Consult official substitution guides or manufacturer cross-reference lists for verified alternative part numbers. Do not assume interchangeability based on similar package types or nominal inductance values alone. Verify that any substitute component meets or exceeds the original impedance, current rating, and thermal specifications.