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Product Detailed Parameters
- Description：CMC 310MA 2LN 260OHM 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)：310mA
- DC Resistance (DCR) (Max)：500mOhm
- 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：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Height (Max)：0.083" (2.10mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：260 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744232261 is a surface-mount common mode line filter from the WE-CNSW series. It features a bifilar winding design with an inductance of 0.304 µH and an impedance of 260 Ohms at 100 MHz. The component supports a maximum DC current of 310 mA and has a maximum DC resistance of 500 mOhms. Designed for data line protection, it operates within a temperature range of -40°C to +85°C. The device is housed in a compact 1206 package, suitable for space-constrained PCB layouts.
Feature Summary
- Bifilar winding structure for effective common mode noise suppression
- Shielded SMD construction for reliable performance in dense layouts
- AEC-Q200 qualified for automotive electronics applications
Applications
- Data line filtering in automotive infotainment systems
- Noise suppression for high-speed communication interfaces
- EMI reduction in general electronic equipment signal lines
Procurement Notes
Verify the specific suffix codes against the official datasheet to ensure correct impedance and tolerance specifications. Confirm that the 1206 package dimensions align with your PCB footprint requirements. Check for AEC-Q200 certification if deploying in automotive contexts. Ensure the 310 mA current rating meets your circuit's operational demands without saturation.
Selection Notes
Select this component when space is limited due to its 1206 form factor. The bifilar design offers superior common mode rejection compared to standard chokes. Consider the 260 Ohm impedance profile for target frequency attenuation. Verify thermal management capabilities as the self-heating may affect performance near the maximum current limit.
Part Context
This part belongs to the WE-CNSW series of shielded surface mount common mode filters. These components are engineered for data line protection in compact electronic devices. The series emphasizes low profile and high reliability for modern PCB assembly techniques.
Replacement Considerations
Check for direct substitutes within the WE-CNSW series with matching 1206 footprints. Verify equivalent impedance curves and current ratings before substitution. Cross-reference pinout configurations to ensure compatibility with existing board layouts.
FAQ
What is the inductance value of the 744232261?
The inductance is 0.304 µH.
Is this component suitable for automotive applications?
Yes, it is AEC-Q200 qualified for use in automotive electronics.
What is the maximum DC current rating?
The maximum DC current rating is 310 mA.
