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Product Detailed Parameters
- Description：CMC 4MH 40A 2LN TH
- Series：SCF-J/JH
- Mfr：KEMET
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：40A
- DC Resistance (DCR) (Max)：2.1mOhm
- Voltage Rating - DC：500V
- Voltage Rating - AC：500V
- Operating Temperature：-25°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：2.756" Dia (70.00mm)
- Height (Max)：1.496" (38.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：4 mH @ 10 kHz
- Qualification：-
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Overview
The KEMET SCF47C-400-1R8C040JH is a common mode choke filter designed for high-current applications. It features an inductance of 4 mH and supports a maximum DC current of 40 A. The component has a maximum DC resistance of 2.1 milliohms and operates within a temperature range of -25°C to +120°C. It utilizes a through-hole mounting style with a vertical orientation.
Feature Summary
- Utilizes nanocrystalline metal core technology for ultra-high inductance and permeability
- Designed for three-phase power line filtering applications
- Vertical PCB mount construction for compact integration
Applications
- Three-phase power line filtering
- Industrial motor drive systems
- High-power electronic equipment noise suppression
Procurement Notes
Verify the specific suffix JH against official KEMET documentation to confirm packaging and tolerance specifications. Ensure the procurement channel provides valid RoHS compliance data. Cross-reference the manufacturer part number with authorized distributor lists to avoid counterfeit components. Confirm thermal ratings match the intended operational environment before finalizing orders.
Selection Notes
Select this component when high inductance values are required alongside substantial current handling capabilities. The nanocrystalline core offers superior performance compared to standard ferrite cores in specific frequency ranges. Evaluate the physical dimensions and vertical mounting requirements against the available PCB space. Consider the operating temperature range to ensure reliability under thermal stress conditions.
Part Context
This component belongs to the KEMET SCF-X series, which specializes in toroidal coils utilizing nanocrystalline metal cores. The series is engineered to provide ultra-high inductance and permeability characteristics suitable for demanding electromagnetic interference suppression tasks in industrial and commercial power electronics environments.
Replacement Considerations
Consult official KEMET substitution guides for verified alternatives. Generic cross-references may not replicate the nanocrystalline core magnetic properties or the specific inductance-current profile required for proper circuit operation.
