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Product Detailed Parameters
- Description：CMC 350UH 8.5A 2LN TH
- Series：WE-CMB
- Mfr：Würth Elektronik
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：8.5A
- DC Resistance (DCR) (Max)：7mOhm
- 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 0.571" W (18.50mm x 14.50mm)
- Height (Max)：0.866" (22.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：350 µH @ 100 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 7448226404 is a common mode choke from the WE-CMB HC series. It features an inductance of 350 µH at 100 kHz and supports a maximum DC current of 6.4 A. The component has a low DC resistance of 10 mΩ and withstands 1500 VAC isolation voltage. Designed for through-hole mounting, it operates within a temperature range of -40°C to +125°C.
Feature Summary
- High isolation voltage capability of 1500 VAC
- Low DC resistance for efficient power transmission
- Through-hole construction for robust PCB attachment
Applications
- Power supply input filtering
- EMI suppression in industrial equipment
- Automotive electronics circuits
Procurement Notes
Verify the specific datasheet version before integration, as electrical characteristics may vary between revisions. Confirm that the through-hole footprint matches the target PCB layout dimensions. Ensure the operating environment stays within the specified -40°C to +125°C range to maintain performance reliability and longevity.
Selection Notes
Select this component when high isolation voltage and significant current handling are required. The 350 µH inductance provides effective noise attenuation for common mode signals. Consider the through-hole package if mechanical stress resistance is prioritized over surface area constraints compared to SMD alternatives.
Part Context
This part belongs to the WE-CMB HC series, which focuses on high-current common mode chokes. The series is engineered for applications requiring robust EMI filtering with minimal signal loss. Würth Elektronik designs these components to meet stringent automotive and industrial standards for durability and electrical stability.
Replacement Considerations
Check for direct substitutes within the WE-CMB HC series with similar inductance and current ratings. Verify pin compatibility and isolation voltage requirements before swapping. Consult official Wurth documentation for approved alternative part numbers.
