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Product Detailed Parameters
- Description：CMC 4.7MH 500MA 2LN 20 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)：500mA
- DC Resistance (DCR) (Max)：750mOhm
- 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)：0.205" (5.20mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：4.7 mH @ 100 kHz
- Impedance @ Frequency：20 kOhms @ 1 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744220 is a surface-mount common mode line filter from the WE-SL2 series. It features bifilar winding construction and UL-compliant housing. Key electrical parameters include an inductance of 4.7 mH at 100 kHz, a maximum DC current rating of 500 mA, and a rated voltage of 80 VDC. The component exhibits a maximum DC resistance (DCR) of 750 milliohms and provides an impedance of 20 kOhms at 1 MHz. It operates within a temperature range of -40°C to +125°C.
Feature Summary
- Bifilar winding design for effective common mode noise suppression
- UL-compliant housing structure for safety certification
- Surface mount package optimized for automated assembly
Applications
- Signal line filtering in electronic circuits
- Common mode noise suppression in data lines
- Power supply input filtering for low power devices
Procurement Notes
Verify the specific ordering suffix against the manufacturer's datasheet to ensure correct packaging and tolerance specifications. Confirm that the component meets all relevant regulatory requirements for your target market. Cross-reference the part number with official distributor catalogs to validate current availability and lead times before finalizing procurement plans.
Selection Notes
Select this component when high common mode attenuation is required in space-constrained designs. The 500 mA current rating suits low-power signal applications. Ensure the operating environment stays within the specified temperature range. Verify that the 80 VDC rating exceeds the circuit's maximum voltage levels to prevent insulation breakdown.
Part Context
This component belongs to the WE-SL2 series of common mode chokes manufactured by Würth Elektronik. The series is designed for surface mount technology applications requiring reliable noise suppression. The 744220 specifically targets signal line protection where compact size and high impedance are critical for maintaining signal integrity in noisy environments.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult the manufacturer for direct equivalents or compatible alternatives that match the electrical and mechanical specifications.
