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Product Detailed Parameters
- Description：CMC 3.3MH 2.5A 2LN TH
- Series：WE-CMB
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2.5A
- DC Resistance (DCR) (Max)：60mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.925" L x 0.512" W (23.50mm x 13.00mm)
- Height (Max)：1.102" (28.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：3.3 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744823333 is a WE-CMB series common mode choke designed for line filtering applications. It features an inductance of 3.3 mH measured at 10 kHz and supports a maximum current rating of 2.5 A. The component utilizes a manganese-zinc core material and offers a typical DC resistance (DCR) of 60 mΩ. Constructed with a through-hole mounting style, it provides robust performance for electromagnetic interference suppression in power supply circuits.
Feature Summary
- Dual-line configuration for effective common mode noise suppression
- Manganese-zinc core construction for stable magnetic properties
- Through-hole termination for secure mechanical attachment
Applications
- Switch mode power supply input filtering
- Line filter stages in electronic equipment
- Electromagnetic interference suppression in AC/DC converters
Procurement Notes
Verify the specific datasheet version to confirm mechanical dimensions and thermal characteristics before integration. Ensure that the 2.5 A current rating aligns with the peak operational loads of the target circuit. Confirm compliance requirements such as RoHS status with the supplier documentation prior to final procurement decisions.
Selection Notes
Select this component when a 3.3 mH inductance value is required for common mode noise reduction in low-to-medium current applications. The 60 mΩ DCR indicates suitable efficiency for standard power lines. Consider the through-hole package if PCB layout constraints favor axial or radial leaded components over surface mount alternatives.
Part Context
This part belongs to the Würth Elektronik WE-CMB family of common mode chokes. These components are engineered for line filtering tasks, offering high inductance values relative to their physical size. The series is widely used in consumer electronics and industrial power supplies to meet regulatory emission standards.
Replacement Considerations
Direct substitutes must match the 3.3 mH inductance, 2.5 A current rating, and 60 mΩ DCR specifications. Verify that alternative components maintain the same through-hole footprint and core material type to ensure equivalent magnetic performance and mechanical fit.
