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Product Detailed Parameters
- Description：CMC 5.6MH 800MA 2LN TH
- Series：WE-FC
- Mfr：Würth Elektronik
- Package：Tube
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：800mA
- DC Resistance (DCR) (Max)：400mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.835" L x 0.835" W (21.20mm x 21.20mm)
- Height (Max)：0.701" (17.80mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：5.6 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448640400 is a current-compensated common mode choke from the WE-FC series, designed for power line filtering. It features an inductance of 5.6 mH at 10 kHz and supports a maximum DC current of 800 mA to 950 mA depending on specific rating conditions. The component exhibits a typical DC resistance of 400 mOhm and operates within a temperature range of -40°C to +125°C. Constructed for through-hole mounting, it provides effective electromagnetic interference suppression in dual-line applications.
Feature Summary
- Current-compensated design for balanced noise reduction
- Through-hole radial mounting for secure PCB integration
- AEC-Q200 qualified for automotive reliability standards
Applications
- Automotive power supply input filtering
- Industrial control system EMI suppression
- DC-DC converter output noise attenuation
Procurement Notes
Verify the exact datasheet revision when ordering, as electrical parameters such as DC resistance may vary slightly between manufacturing batches or regional specifications. Confirm that the through-hole package dimensions align with your PCB footprint requirements. Ensure the selected component meets the specific thermal and current derating curves required by your final application environment to maintain compliance with safety standards.
Selection Notes
Select this component when high common mode rejection is required in space-constrained automotive or industrial designs. The WE-FC series offers a balance of high inductance and low DC resistance. Compare against other WE-FC variants if higher current ratings or different inductance values are needed. Consider the physical size constraints due to the through-hole lead configuration and ensure adequate clearance for soldering operations during assembly.
Part Context
This part belongs to the WE-FC series of common mode chokes manufactured by Würth Elektronik. The series is characterized by its current-compensated architecture, which minimizes saturation effects under load. These components are widely used in environments requiring robust electromagnetic compatibility. The 7448640400 specifically targets applications needing reliable noise filtration in dual-line power circuits without significant signal degradation.
Replacement Considerations
Direct substitutes include other parts within the Würth WE-FC series with similar inductance and current ratings, such as 7448640403. Verify pinout compatibility and mechanical dimensions before substitution. Cross-referencing with manufacturer RedExpert tools is recommended to identify equivalent components with adjusted electrical characteristics.
