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Product Detailed Parameters
- Description：CMC 5MH 4A 2LN TH
- Series：WE-CMBH
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：4A
- DC Resistance (DCR) (Max)：50mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.280" L x 1.102" W (32.50mm x 28.00mm)
- Height (Max)：0.866" (22.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：5 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744834405 is a horizontal common mode power line choke from the WE-CMBH series. It features an inductance of 5 mH at 10 kHz with a maximum DC resistance of 50 mΩ and a current rating of 4 A. The component utilizes high permeability nanocrystalline core material and is housed in a molded L-shaped surface mount package measuring 32.5 mm in length, 28 mm in depth, and 22 mm in height. It operates within a temperature range of -40°C to +125°C and includes four pins for termination.
Feature Summary
- Utilizes high permeability nanocrystalline core material for effective noise suppression
- Features a molded horizontal structure designed for robust mechanical stability
- Provides dual-line common mode filtering capability for power applications
Applications
- Power line noise suppression in electronic equipment
- Common mode interference filtering for AC/DC interfaces
- EMI reduction in industrial control systems
Procurement Notes
Verify the specific part number 744834405 against official Wurth Elektronik documentation to confirm technical specifications. Ensure compatibility with the intended PCB footprint and thermal requirements. Cross-reference datasheet parameters such as inductance tolerance and saturation current before integration into the design.
Selection Notes
Select this component when high inductance values are required for low-frequency common mode noise attenuation. The horizontal form factor suits applications with limited vertical clearance constraints. Verify that the 4 A current rating meets the operational load requirements without exceeding thermal limits defined by the 50 mΩ DC resistance.
Part Context
This component belongs to the WE-CMBH series of common mode chokes manufactured by Würth Elektronik. The series is characterized by its use of nanocrystalline materials and horizontal mounting options, distinguishing it from standard vertical or shielded coupled inductor variants within the manufacturer's broader portfolio.
Replacement Considerations
Consult official Wurth Elektronik substitution guides for verified equivalents. No public substitute part numbers are confirmed in the provided source data.
