SNCMC-127-020

Overview

The SNCMC-127-020 is a nanocrystalline common mode filter 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 4.4 mH, impedance of 1.03 kOhms at 100 kHz, and a maximum DC current rating of 14 A. The component has a maximum DC resistance of unspecified low value, physical dimensions of 37 mm length, 25 mm width, and 35 mm height, and is unshielded.

Feature Summary

• Utilizes nanocrystalline core material for effective common mode noise suppression
• Designed for vertical through-hole PCB mounting
• Operates reliably across extended industrial temperature ranges

Applications

• Power supply input filtering
• Industrial automation equipment
• Embedded systems noise reduction

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct electrical characteristics. Confirm that the nanocrystalline construction meets your thermal management requirements. Check RoHS compliance status directly with the supplier. Ensure the vertical mounting style fits your board layout constraints. Validate the 14 A current rating against your circuit's peak load conditions.

Selection Notes

Select this component when high inductance is required for low-frequency noise attenuation. The nanocrystalline core offers superior performance compared to standard ferrite cores in certain frequency bands. Consider the physical size constraints as the unit measures 37x25x35 mm. Ensure the through-hole footprint matches your PCB design. Evaluate the operating temperature range against your environmental conditions.

Part Context

This component belongs to the SNCMC series of common mode chokes from Bel Signal Transformer. The series utilizes nanocrystalline technology to provide high impedance to common mode signals while allowing differential signals to pass. These chokes are designed for robust performance in demanding electronic environments.

Replacement Considerations

Consult official substitution lists for compatible parts within the SNCMC series. Verify that any alternative maintains the same inductance, current rating, and physical dimensions. Cross-reference datasheets to ensure equivalent impedance characteristics at target frequencies.