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Product Detailed Parameters
- Description：CMC 200MA 2LN 2.2 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)：200mA
- DC Resistance (DCR) (Max)：1.2Ohm
- 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：2.2 kOhms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744232222 is a surface-mount common mode line filter from the WE-CNSW series. It features two channels with an impedance of 2.2 kOhms at 100 MHz and a maximum DC current rating of 200 mA. The component has a maximum DC resistance of 1.2 Ohms and operates within a temperature range of -40°C to +125°C. Its physical dimensions are 3.20 mm in length, 1.60 mm in width, and a maximum height of 2.10 mm. It is designed for signal line applications and holds AEC-Q200 qualification.
Feature Summary
- Provides high-frequency common-mode noise suppression for signal lines
- Features compact surface-mount design suitable for space-constrained PCBs
- Includes AEC-Q200 automotive qualification for reliability
Applications
- Automotive electronic systems requiring EMI filtering
- High-speed data line protection
- Signal integrity enhancement in noisy environments
Procurement Notes
Verify the specific part number against official manufacturer documentation to ensure accuracy. Confirm that the required electrical parameters, such as impedance and current ratings, match the application requirements. Check for any recent product change notices or datasheet amendments that may affect specifications or availability before finalizing procurement decisions.
Selection Notes
Select this component when high-frequency noise suppression is critical for signal lines. The 2.2 kOhms impedance at 100 MHz makes it suitable for attenuating common-mode interference. Ensure the PCB layout accommodates the 1206 package size and that the operating temperature range aligns with the system environment. Consider the 1.2 Ohms DC resistance impact on signal loss.
Part Context
This component belongs to the WE-CNSW series of SMD common mode chokes. These filters are engineered for effective noise suppression in compact form factors. The series is widely used in automotive and industrial applications where reliable EMI performance and small footprint are essential requirements for modern electronic designs.
Replacement Considerations
Check for direct substitutes within the WE-CNSW series with similar impedance and current ratings. Verify pin compatibility and mechanical dimensions before replacing. Consult official Wurth Elektronik documentation for approved alternative part numbers.
