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Product Detailed Parameters
- Description：CMC 2.2MH 2A 2LN TH
- Series：WE-CMB
- Mfr：Würth Elektronik
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2A
- DC Resistance (DCR) (Max)：70mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.689" L x 0.512" W (17.50mm x 13.00mm)
- Height (Max)：0.866" (22.00mm)
- 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 744822222 is a common mode power line choke from the WE-CMB series. It features an inductance of 2.2 mH and supports a maximum DC current of 2 A. The component has a maximum DC resistance of 70 mOhms. It operates within a temperature range of -40°C to +125°C. The device utilizes radial through-hole mounting for PCB integration.
Feature Summary
- Provides common mode noise suppression for power lines
- Designed for radial through-hole PCB mounting
- Rated for high DC current handling capabilities
Applications
- Power supply input filtering
- Noise suppression in electronic circuits
- EMI reduction in consumer electronics
Procurement Notes
Verify the specific datasheet version for the 744822222 to confirm mechanical dimensions and thermal characteristics. Ensure the selected component meets the required safety certifications for the target application environment. Cross-reference the manufacturer's official documentation for any updates regarding material composition or compliance standards before finalizing procurement decisions.
Selection Notes
Select this component when a radial through-hole common mode choke with 2.2 mH inductance is required. The 2 A current rating suits moderate power applications. Consider the 70 mOhm DCR for efficiency calculations. Verify that the operating temperature range of -40°C to +125°C aligns with the system's environmental conditions and thermal management strategy.
Part Context
This part belongs to the WE-CMB series of common mode chokes by Würth Elektronik. These components are engineered for power line applications, offering reliable noise attenuation. The series provides various inductance and current ratings to accommodate different circuit requirements while maintaining compact form factors suitable for standard PCB layouts.
Replacement Considerations
Check for direct substitutes within the WE-CMB series with matching 2.2 mH inductance and 2 A current rating. Verify pin compatibility and physical dimensions for existing board footprints. Consult manufacturer cross-reference lists for validated alternative part numbers.
