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Product Detailed Parameters
- Description：CMC 5MH 2.5A 2LN TH
- Series：WE-CMB
- Mfr：Würth Elektronik
- Package：Box
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2.5A
- 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：0.906" L x 0.512" W (23.00mm x 13.00mm)
- Height (Max)：1.004" (25.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：5 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744823305 is a WE-CMB series common mode choke designed for power line filtering. It features an inductance of 5 mH at a test frequency of 10 kHz with a tolerance of ±30%. The component supports a maximum DC current of 2.5 A and has a maximum DC resistance of 95 mΩ per winding. It is rated for 250 V AC and operates within a temperature range of -40 °C to +125 °C. The device utilizes a through-hole mounting style with pad termination and measures 23 mm in length, 13 mm in width, and 25.5 mm in height.
Feature Summary
- Provides common mode noise suppression for power lines
- Utilizes a molded construction for mechanical stability
- Supports high thermal performance up to 125 °C
Applications
- Power supply input filtering
- EMI suppression in consumer electronics
- White appliance control circuits
Procurement Notes
Verify the specific part number against official Wurth Elektronik datasheets to confirm electrical parameters and physical dimensions. Ensure compatibility with PCB layout requirements for through-hole mounting. Check for RoHS and REACH compliance documentation if required by regional regulations. Confirm that the 2.5 A current rating meets the application's peak load demands without saturation.
Selection Notes
Select this component when a 5 mH inductance value is required for common mode interference reduction in AC or DC power lines. The 2.5 A current rating suits moderate power applications. Consider the through-hole package for robust mechanical attachment. Verify that the 95 mΩ DC resistance aligns with efficiency constraints. Ensure the operating temperature range covers the environmental conditions of the final assembly.
Part Context
This component belongs to the WE-CMB series of common mode chokes from Würth Elektronik. The series offers various inductance values and current ratings for power line filtering. The WE-CMB design focuses on compact size and high reliability for industrial and consumer applications. It serves as a passive filter element to attenuate electromagnetic interference conducted along power cables.
FAQ
What is the test frequency for the specified inductance?
The inductance of 5 mH is measured at a test frequency of 10 kHz.
Does this component have automotive certification?
No, the 744823305 is not certified for automotive standards according to available specifications.
