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Product Detailed Parameters
- Description：CMC 280MA 2LN 370OHM SMD AECQ200
- Series：WE-CNSW
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：280mA
- DC Resistance (DCR) (Max)：450mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：370 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744231371 is a surface-mount common mode line filter from the WE-CNSW series. It features an inductance of 0.48 μH and a rated current of 280 mA. The component exhibits a maximum DC resistance of 0.45 mΩ and operates within a temperature range of -40°C to +125°C. It carries AEC-Q200 qualification for automotive reliability.
Feature Summary
- Dual-line configuration for differential signal filtering
- AEC-Q200 qualified for automotive applications
- Surface mount design compatible with reflow soldering
Applications
- Automotive infotainment systems
- High-speed data interface protection
- General electronic equipment noise suppression
Procurement Notes
Verify the specific package dimensions and terminal finish against the official datasheet before integration. Confirm that the 280 mA rating meets the circuit requirements under all operating conditions. Ensure compatibility with standard reflow soldering profiles specified by the manufacturer.
Selection Notes
Select this component when dual-line common mode noise suppression is required in space-constrained designs. The low DC resistance minimizes voltage drop, while the AEC-Q200 certification ensures suitability for automotive environments. Compare impedance characteristics at target frequencies against alternative filters.
Part Context
This part belongs to the WE-CNSW series of surface-mount common mode chokes. The series offers various inductance and current ratings in compact packages like 0805. These components are designed for high-frequency noise attenuation in sensitive electronic circuits.
Replacement Considerations
Check equivalent parts from the same WE-CNSW family with similar impedance curves. Verify pinout compatibility and thermal performance if substituting with other manufacturers' offerings.
FAQ
What is the test frequency for the impedance specification?
The impedance is tested at 100 MHz.
Is this component suitable for automotive use?
Yes, it is qualified to the AEC-Q200 standard.
