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DFKH-31-0003 is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists SCHURTER Inc.. Its product description is CMC 1.4A 2LN TH. Review the specifications below when checking this part for your BOM.
Common Mode Chokes specifications for DFKH-31-0003
- Description：CMC 1.4A 2LN TH
- Series：DFKH
- Mfr：SCHURTER Inc.
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1.4A
- DC Resistance (DCR) (Max)：470mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：440V
- Operating Temperature：-25°C ~ 100°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.240" L x 0.728" W (31.50mm x 18.50mm)
- Height (Max)：-
- Package / Case：Radial - 4 Leads
- Inductance @ Frequency：-
Common Mode Chokes datasheet and documents for DFKH-31-0003
Common Mode Chokes Overview
The Schurter DFKH-31-0003 is a current compensated choke from the DFKH series, designed for through-hole mounting. It features an inductance of 2 mH and supports a maximum DC current of 6A. The component has a maximum DC resistance of 24mΩ and operates within a temperature range of -25°C to +100°C. Physical dimensions are 31.5mm x 18.5mm x 33mm with a lead spacing of 12.5mm.
Common Mode Chokes Feature Summary
- Current compensated design for noise suppression
- Through-hole radial installation
- High current handling capability
Common Mode Chokes Applications
- Power supply input filtering
- EMI suppression in electronic circuits
- Common mode noise reduction
Common Mode Chokes Procurement Notes
Verify the specific part number DFKH-31-0003 against official Schurter documentation to confirm electrical ratings and physical dimensions. Ensure compatibility with your circuit's current requirements and thermal environment. Cross-reference datasheets for tolerance and self-resonant frequency specifications before integration.
Common Mode Chokes Selection Notes
Select this component when high current capacity and compact size are required for EMI filtering. Consider the 24mΩ DC resistance for power loss calculations. Verify that the 12.5mm lead spacing fits your PCB layout constraints. Check operating temperature limits for your specific application environment.
Common Mode Chokes Part Context
The DFKH series represents Schurter's line of current compensated chokes. These components are engineered for efficient noise suppression while maintaining low impedance to differential signals. The DFKH-31-0003 variant specifically offers 2 mH inductance suitable for general-purpose power line filtering applications.
Common Mode Chokes FAQ
What is the inductance tolerance?
The inductance tolerance is specified as -30% to +50%.
What is the maximum self-resonant frequency?
The maximum self-resonant frequency is 1.2MHz.
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