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Product Detailed Parameters
- Description：CMC 2.2MH 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：0.925" L x 0.630" W (23.50mm x 16.00mm)
- Height (Max)：1.004" (25.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：2.2 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7446222002 is a two-line common mode choke from the WE-LF series, designed for mains power line filtering. It features a nominal inductance of 2.2 mH measured at 10 kHz and supports a rated current of 2 A. The component has a maximum DC resistance (DCR) of 60 milliohms and an AC voltage rating of 250 V. It utilizes a vertical through-hole package with four pins, measuring 23.50 mm in length, 16.00 mm in width, and up to 25.50 mm in height. The device operates within a temperature range of -40°C to +125°C.
Feature Summary
- Provides common mode noise suppression for two-line AC power circuits
- Constructed for robust through-hole mounting on printed circuit boards
- Engineered for high thermal stability across extended industrial temperature ranges
Applications
- Mains power line EMI filtering in electronic equipment
- Input stage noise suppression for AC-powered devices
- Compliance support for electromagnetic interference standards in consumer electronics
Procurement Notes
Verify the specific part number against official manufacturer documentation to ensure correct electrical ratings and physical dimensions. Confirm that the through-hole pin configuration matches the target PCB layout. Check for RoHS compliance status and any recent product change notices regarding material or performance specifications before finalizing procurement.
Selection Notes
Select this component when designing circuits requiring common mode noise attenuation for single-phase AC inputs. Ensure the operating current does not exceed the 2 A rating to maintain performance. Verify that the physical footprint accommodates the specified vertical height and pin spacing constraints within the enclosure design.
Part Context
This component belongs to the WE-LF series of common mode chokes specifically developed by Würth Elektronik for mains power applications. The series focuses on providing reliable noise filtration for AC lines while maintaining low insertion loss and high saturation current capabilities suitable for general power supply input stages.
FAQ
What is the inductance value of the 7446222002?
The inductance is 2.2 mH when measured at a frequency of 10 kHz.
Is this component suitable for surface mount assembly?
No, the 7446222002 is designed for through-hole installation with a vertical pin configuration.
