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Product Detailed Parameters
- Description：SUPPRESSIONCHOKECOMM
- Series：SNCMC
- Mfr：Signal Transformer
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：9A
- DC Resistance (DCR) (Max)：-
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-25°C ~ 130°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.457" L x 0.984" W (37.00mm x 25.00mm)
- Height (Max)：1.378" (35.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：5 mH @ 100 kHz
- Impedance @ Frequency：5.32 kOhms @ 100 kHz
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Overview
The SNCMC-127-011 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 specifications include an inductance of 21.7 mH, impedance of 5.3 kOhms at 100 kHz, and a maximum DC current rating of 9 A. The component has a maximum DC resistance of 6 mOhms and is unshielded.
Feature Summary
- Utilizes nanocrystalline core material for effective electromagnetic interference suppression
- Designed for vertical printed circuit board mounting via through-hole termination
- Provides high impedance characteristics for common mode noise attenuation
Applications
- Electromagnetic interference (EMI) filtering in power supply circuits
- Noise suppression in industrial electronic equipment
- Common mode chokes in AC/DC converter stages
Procurement Notes
Verify the specific part number against official manufacturer documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with your system's thermal requirements and mounting constraints. Cross-reference datasheets for RoHS compliance status and lead times directly from authorized distributors or the manufacturer.
Selection Notes
Select this component when high inductance and significant impedance are required for common mode noise reduction in applications handling up to 9 A. Consider the vertical mounting style and unshielded design for PCB layout planning. Evaluate the operating temperature range to ensure suitability for the intended 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 offer superior performance in EMI suppression compared to traditional ferrite cores. These components are designed for robust operation in demanding power electronics environments.
