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Product Detailed Parameters
- Description：CMC 33MH 3A 2LN TH
- Series：WE-CMB
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：-
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.181" L x 0.827" W (30.00mm x 21.00mm)
- Height (Max)：1.378" (35.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：33 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744825433 is a through-hole common mode choke from the WE-CMB series, designed for power line applications. It features an inductance of 33 mH with a nominal DC current rating of 3 A and a maximum DC resistance of 0.21 ohms. The component is engineered to suppress common mode noise and enhance electromagnetic interference (EMI) performance in electronic circuits.
Feature Summary
- Designed for effective suppression of common mode noise on power lines
- Constructed as a two-line choke to improve overall EMI performance
- Utilizes through-hole mounting technology for secure PCB integration
Applications
- Power line filtering in electronic equipment
- Electromagnetic interference (EMI) suppression circuits
- Common mode noise reduction in AC/DC power supplies
Procurement Notes
Verify the specific package type and lead times directly with authorized distributors or the manufacturer. Confirm that the through-hole configuration matches your board design requirements. Ensure compliance with relevant RoHS directives and check for any recent product change notices that may affect availability or specifications before finalizing procurement orders.
Selection Notes
Select this component when high inductance values are required for low-frequency noise attenuation in power lines. The 3 A current rating suits moderate power applications. Verify that the physical dimensions and pin spacing of the through-hole package fit the available PCB real estate and manufacturing capabilities without requiring specialized assembly tools.
Part Context
This part belongs to the WE-CMB series of common mode chokes manufactured by Würth Elektronik. These components are specifically engineered for power line applications where significant noise suppression is necessary. The series offers various inductance and current ratings to accommodate different circuit demands while maintaining consistent EMI performance standards across the product line.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult official Wurth Elektronik resources for potential cross-references or alternative series members that match the required 33 mH inductance and 3 A current specifications.
