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Product Detailed Parameters
- Description：CMC 1MH 2A 2LN TH
- Series：WE-LF
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2A
- 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：0.728" L x 0.531" W (18.50mm x 13.50mm)
- Height (Max)：0.807" (20.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：1 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7446122001 is a through-hole common mode choke from the WE-LF series, designed for power line applications. It features an inductance of 1 mH at 10 kHz and supports a current rating of 2 A with a DC resistance of 60 mΩ. The component utilizes a vertical package with four soldering pins to ensure mechanical decoupling and low stray fields. It operates within a temperature range of -40°C to +125°C and complies with RoHS standards.
Feature Summary
- Vertical package design with four soldering pins for effective mechanical decoupling
- Low stray field characteristics suitable for sensitive power electronics environments
- High inductance value optimized for attenuating electromagnetic interference on power lines
Applications
- Mains filters
- Power electronics circuits
- Switched-mode power supply (SMPS) input stages
Procurement Notes
Verify the specific part number against official Wurth Elektronik documentation to confirm electrical parameters and pin configuration. Ensure compatibility with existing PCB footprints and thermal management requirements. Cross-reference datasheets for any recent updates regarding material composition or compliance certifications before finalizing procurement decisions.
Selection Notes
Select this component when high inductance is required for common mode noise suppression in power line applications. The four-pin vertical design aids in reducing mechanical stress and stray magnetic fields. Consider the 2 A current rating and 60 mΩ DC resistance to ensure efficient operation within the target circuit's power budget and thermal constraints.
Part Context
This component belongs to the WE-LF series of common mode chokes manufactured by Würth Elektronik. The series is engineered for robust performance in demanding power electronics environments. The 7446122001 variant specifically targets applications requiring significant inductance values for effective EMI filtering on AC mains or DC power inputs.
FAQ
What is the inductance value of the 7446122001?
The inductance is 1 mH measured at 10 kHz.
How many pins does the 7446122001 have?
It features four soldering pins arranged in a vertical package.
