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Product Detailed Parameters
- Description：CMC 4MH 11A 2LN TH
- Series：WE-CMBNC
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：11A
- DC Resistance (DCR) (Max)：8.8mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：300V
- Operating Temperature：-55° C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.142" L x 0.748" W (29.00mm x 19.00mm)
- Height (Max)：1.102" (28.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：4 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448041104 is a WE-CMBNC series common mode power line choke utilizing nanocrystalline core technology. It features through-hole mounting with an inductance of 4 mH and a maximum DC current rating of 11 A. The component exhibits a low maximum DC resistance of 8.5 mΩ (or 8.8 mΩ per some listings) and supports a voltage rating of 250 V AC. It operates within a temperature range of -40°C to +125°C, offering high self-resonant frequency performance suitable for robust EMI suppression applications.
Feature Summary
- Utilizes nanocrystalline core material for superior magnetic properties
- Designed as a common mode power line choke for EMI suppression
- Supports high current handling capabilities up to 11 A
- Through-hole construction for secure PCB integration
Applications
- Power supply input filtering
- EMI suppression in industrial equipment
- AC/DC converter stages
Procurement Notes
Verify the specific datasheet version for exact DC resistance values, as sources cite both 8.5 mΩ and 8.8 mΩ. Confirm lead style compatibility with your assembly process. Ensure the 250 V AC rating meets your circuit requirements. Cross-reference the 4 mH inductance tolerance with your design specifications before finalizing procurement.
Selection Notes
Select this component when high current capacity and effective common mode noise reduction are required. The nanocrystalline core offers advantages over traditional ferrite cores in terms of saturation characteristics. Consider the through-hole form factor if mechanical stability is prioritized over surface area constraints. Evaluate the 11 A current rating against peak load conditions.
Part Context
This part belongs to the WE-CMBNC series from Würth Elektronik, specialized for common mode chokes. The series leverages nanocrystalline materials to achieve high performance in power line applications. It is distinct from surface mount RF inductors or coupled inductors offered by the manufacturer, focusing specifically on bulk power filtering needs.
Replacement Considerations
No public confirmed substitute part numbers were identified in the provided documentation. Verify pinout and dimensional compatibility if considering alternative manufacturers' nanocrystalline chokes.
