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Product Detailed Parameters
- Description：CMC 1.2MH 1.6A 2LN TH
- Series：WE-FC
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1.6A
- DC Resistance (DCR) (Max)：100mOhm (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 0.654" W (21.20mm x 16.60mm)
- Height (Max)：0.886" (22.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：1.2 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448640407 is a through-hole common mode choke from the WE-FC series, designed for power line filtering. It features an inductance of 1.2 mH at 10 kHz and supports two lines. The component has a maximum DC resistance of 100 milliohms (typical) and a rated current of 1.6 A. It operates within a temperature range of -40°C to +125°C. The physical dimensions are 21.20 mm in length, 16.60 mm in width, and a maximum height of 22.50 mm, utilizing a vertical 4-pin package.
Feature Summary
- Provides effective suppression of common mode noise on power lines
- Constructed with a vertical through-hole mounting style for secure PCB attachment
- Complies with RoHS directives for environmental safety
Applications
- Power supply input filtering
- EMI suppression in electronic equipment
- Signal integrity protection in data lines
Procurement Notes
Verify the specific datasheet version when ordering, as product change notifications may update specifications or packaging details. Confirm that the 1.6 A current rating meets your circuit requirements. Ensure the 21.20 x 16.60 mm footprint aligns with your PCB layout constraints before finalizing procurement decisions.
Selection Notes
Select this component when high inductance values are required for low-frequency noise attenuation. The 1.2 mH rating makes it suitable for applications demanding significant common mode impedance. Consider the 100 milliohm DCR for efficiency-sensitive designs where voltage drop must be minimized during operation.
Part Context
This part belongs to the WE-FC series of common mode chokes manufactured by Würth Elektronik. The series is engineered for robust performance in industrial and consumer electronics. The 7448640407 variant specifically targets power line applications requiring reliable noise reduction through its standardized through-hole configuration.
Replacement Considerations
Cross-reference with other WE-FC series parts for similar inductance and current ratings. Verify pin compatibility and mechanical dimensions before substituting. Consult official Wurth documentation for approved alternatives.
