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Product Detailed Parameters
- Description：CMC 2MH 600MA 2LN 9.2 KOHM SMD
- Series：WE-SL2
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：600mA
- DC Resistance (DCR) (Max)：420mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.362" L x 0.236" W (9.20mm x 6.00mm)
- Height (Max)：0.209" (5.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：2 mH @ 100 kHz
- Impedance @ Frequency：9.2 kOhms @ 2 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744221 is a surface-mount common mode line filter belonging to the WE-SL2 series. It features a bifilar winding design and is rated for a maximum DC current of 600mA with a DC resistance of 420 milliohms. The component provides an inductance of 2 mH at 100 kHz and achieves an impedance of 9.2 kOhms at 2 MHz. It operates within a temperature range of -40°C to 125°C and supports a DC voltage rating of 80V. The physical dimensions are 9.20mm x 6.00mm x 5.30mm, utilizing a horizontal four-pad package.
Feature Summary
- Bifilar winding construction for effective common mode noise suppression
- Designed for reflow soldering profiles on printed circuit boards
- High impedance characteristics at elevated frequencies
Applications
- Suppression of common mode noise in signal lines
- EMI filtering for high-speed data interfaces
- Noise reduction in automotive electronic systems
Procurement Notes
Verify the specific ordering suffix to confirm packaging type, such as tape and reel or cut tape, as these affect handling procedures. Ensure the component meets RoHS3 compliance requirements for your assembly process. Cross-reference the manufacturer part number with official distributor catalogs to confirm current availability and lead times before finalizing procurement plans.
Selection Notes
Select this component when high inductance values are required for low-frequency noise attenuation alongside significant impedance at higher frequencies. The 600mA current rating suits moderate power signal lines. Consider the 9.2kOhm impedance at 2MHz for applications requiring strong high-frequency suppression capabilities within a standard surface-mount footprint.
Part Context
This component is part of the WE-SL2 series from Würth Elektronik, specialized for common mode line filtering. The series utilizes bifilar windings to optimize noise cancellation performance. It is designed for surface-mount technology integration, providing a compact solution for electromagnetic interference mitigation in modern electronic assemblies.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by matching electrical parameters such as inductance, current rating, and impedance curves before considering alternative components.
