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Product Detailed Parameters
- Description：CMC 470UH 400MA 2LN 2.2 KOHM SMD
- Series：WE-SLM
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：350mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.236" L x 0.130" W (6.00mm x 3.30mm)
- Height (Max)：0.138" (3.50mm)
- Package / Case：Horizontal, 4 Flat Lead
- Inductance @ Frequency：470 µH @ 100 kHz
- Impedance @ Frequency：2.2 kOhms @ 15 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744242471 is a surface-mount common mode line filter belonging to the WE-SLM series. It features an inductance of 470 µH per line and a rated current of 400 mA. The component exhibits a maximum DC resistance of 350 mΩ and an impedance of 2.2 kΩ at 15 MHz. Designed for data line applications, it operates within a temperature range of -40°C to +125°C. The physical dimensions are 6.00 mm in length, 3.30 mm in width, and a maximum height of 3.50 mm.
Feature Summary
- Provides effective suppression of common mode noise on data lines
- Capable of handling high current loads with low DC resistance
- Constructed for reliable operation across extended industrial temperature ranges
Applications
- Data line filtering in electronic circuits
- Common mode noise suppression in signal transmission paths
- Protection of sensitive interfaces against electromagnetic interference
Procurement Notes
Verify the specific package variant and reel configuration required for your assembly process. Confirm that the 400 mA current rating and 470 µH inductance align with your circuit design specifications. Ensure compatibility with standard reflow soldering profiles as defined by the manufacturer. Check for any recent production changes or packaging updates via official distributor channels before finalizing orders.
Selection Notes
Select this component when designing circuits requiring robust common mode rejection for data lines. The WE-SLM series offers a compact form factor suitable for space-constrained PCB layouts. Consider the 350 mΩ DC resistance impact on power efficiency and the 2.2 kΩ impedance characteristics at target frequencies. Evaluate thermal performance requirements against the +125°C maximum operating limit.
Part Context
This part belongs to the WE-SLM series of common mode chokes from Würth Elektronik. The series is engineered for signal line protection, offering high current capability in a small surface-mount footprint. These components are widely used in consumer electronics and industrial equipment to maintain signal integrity by attenuating unwanted common mode currents.
Replacement Considerations
Consult official Wurth Elektronik documentation for verified substitute part numbers within the WE-SLM family or alternative series. Cross-referencing requires matching inductance, current rating, and physical dimensions to ensure functional equivalence without redesign.
