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Product Detailed Parameters
- Description：CMC 1MH 950MA 2LN 3.6 KOHM SMD
- Series：WE-SL5
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：950mA
- DC Resistance (DCR) (Max)：180mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.394" L x 0.343" W (10.00mm x 8.70mm)
- Height (Max)：0.256" (6.50mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：1 mH @ 100 kHz
- Impedance @ Frequency：3.6 kOhms @ 6 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744272102 is a surface mount common mode line filter from the WE-SL5 series. It features an inductance of 1 mH and a rated DC current of 950 mA. The component has a maximum DC resistance of 180 mΩ and an impedance of 3.6 kΩ at 6 MHz. It utilizes a sectional winding structure with a ferrite core. The physical dimensions are 10 mm in length, 8.7 mm in width, and 6.5 mm in height. It operates within a temperature range of -40°C to +125°C.
Feature Summary
- High current handling capability suitable for power line filtering applications
- Sectional winding construction for improved magnetic performance
- Surface mount design compatible with standard reflow soldering profiles
Applications
- Common mode noise suppression in power supply inputs
- EMI filtering for electronic equipment power lines
- Signal integrity protection in high-current circuits
Procurement Notes
Verify the complete part number including any suffixes against official Wurth Elektronik documentation to ensure correct specifications. Confirm that the required inductance, current rating, and impedance values match the application requirements before procurement. Check for compliance certifications such as RoHS if mandated by the end product standards.
Selection Notes
Select this component when a 1 mH inductance and 950 mA current rating are required for common mode noise reduction. Consider the 180 mΩ DC resistance for power loss calculations. Ensure the PCB footprint accommodates the 10 x 8.7 x 6.5 mm package dimensions. Verify thermal management capabilities given the 125°C maximum operating temperature.
Part Context
This component belongs to the WE-SL5 series of surface mount common mode chokes. The series is designed for high current applications requiring effective EMI suppression. The 744272102 variant specifically offers 1 mH inductance, distinguishing it from other models in the family with different inductance or current ratings.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult manufacturer cross-reference guides for potential alternatives.
