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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)：21A
- 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：800 µH @ 100 kHz
- Impedance @ Frequency：780 Ohms @ 100 kHz
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Overview
The SNCMC-127-009 is a nanocrystalline common mode choke manufactured by Bel Signal Transformer. It features a vertical through-hole mounting style and operates within a temperature range of -25°C to +130°C. Key electrical parameters include an inductance of 3.3 mH, a maximum DC current rating of 21 A, and a maximum DC resistance of 6 mOhms. The component exhibits an impedance of 0.78 kOhms at 100 kHz and has physical dimensions of 33 mm length, 25 mm width, and 33 mm height.
Feature Summary
- Utilizes nanocrystalline core material for effective electromagnetic interference suppression.
- Designed for vertical through-hole installation on printed circuit boards.
- Provides high current handling capability with low DC resistance.
Applications
- Power supply input filtering
- Electromagnetic interference suppression in industrial equipment
- Common mode noise reduction in AC/DC conversion stages
Procurement Notes
Verify the manufacturer part number against official Bel Signal Transformer documentation to ensure authenticity. Confirm that the specific order matches the required electrical specifications, including inductance and current ratings. Check for RoHS compliance status as indicated in the product datasheet. Ensure the vertical through-hole package type aligns with the target PCB layout requirements before finalizing procurement.
Selection Notes
Select this component when high saturation current and low DC resistance are critical for power line filtering applications. The nanocrystalline core offers superior performance compared to traditional ferrite cores in certain frequency ranges. Consider the physical dimensions and vertical mounting orientation during mechanical design integration. Verify thermal management capabilities given the operating temperature range and current load.
Part Context
This component belongs to the SNCMC series of common mode chokes from Bel Signal Transformer. The series utilizes nanocrystalline materials to achieve high inductance values in compact packages. These filters are designed for robust electromagnetic interference suppression in demanding electronic environments.
Replacement Considerations
Consult official substitution guides from Bel Signal Transformer for verified alternatives. Cross-reference key parameters such as inductance, current rating, and impedance to ensure functional equivalence. Verify package compatibility and thermal characteristics before implementing any substitute component.
FAQ
What is the core material used in the SNCMC-127-009?
The SNCMC-127-009 uses a nanocrystalline core material for its common mode choke construction.
What is the maximum DC current rating for this component?
The maximum DC current rating for the SNCMC-127-009 is 21 Amperes.
