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Product Detailed Parameters
- Description：CMC 230MA 2LN 1 KOHM SMD
- Series：WE-CNSW
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：230mA
- DC Resistance (DCR) (Max)：1Ohm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- 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：1 kOhms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744232102 is a surface-mount common mode line filter from the WE-CNSW series. It features an inductance of 1.26 μH and a maximum DC current rating of 230 mA. The component exhibits an impedance of 1000 Ohms at a test frequency of 100 MHz. Designed for automotive applications, it holds AEC-Q200 qualification. The physical package size is 1206 (3216 metric), with dimensions of 3.2 mm length, 1.6 mm width, and 1.8 mm height.
Feature Summary
- Provides common mode noise suppression for data lines in high-frequency environments.
- AEC-Q200 qualified for automotive reliability standards.
- Compact 1206 surface-mount footprint suitable for space-constrained PCB layouts.
Applications
- Automotive infotainment system data lines
- High-speed communication interface filtering
- Noise suppression in compact electronic modules
Procurement Notes
Verify the specific part number against official Wurth Elektronik documentation to confirm electrical parameters and package details. Ensure compatibility with automated pick-and-place equipment regarding the 1206 package dimensions. Confirm that the 230 mA current rating meets the operational requirements of the target circuit without saturation.
Selection Notes
Select this component when a low-profile common mode choke is required for 100 MHz noise attenuation. The 1.26 μH inductance offers a balance between impedance performance and current handling for sensitive data lines. Consider the AEC-Q200 certification if the application demands automotive-grade reliability and thermal stability within the specified operating temperature range.
Part Context
This component belongs to the WE-CNSW series of surface-mount common mode filters. These components are engineered for high-frequency noise suppression in compact form factors. The series supports various inductance values tailored for different data rate and current requirements in modern electronic designs.
FAQ
What is the test frequency for the impedance specification?
The impedance of 1000 Ohms is measured at a test frequency of 100 MHz.
Is this component suitable for automotive applications?
Yes, the 744232102 is AEC-Q200 qualified, indicating compliance with automotive reliability standards.
