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Product Detailed Parameters
- Description：CMC 340MA 2LN 160OHM 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)：340mA
- DC Resistance (DCR) (Max)：400mOhm
- 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)：0.079" (2.00mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：160 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744232161 is a surface-mount common mode line filter from the WE-CNSW series, designed for high-frequency noise suppression. It features a 1206 package with an impedance of 160 Ohms at 100 MHz and a maximum DC current rating of 340 mA. The component has a maximum DC resistance (DCR) of 400 mOhms and an inductance of 196 nH. It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification for automotive reliability.
Feature Summary
- Provides high common mode suppression at high frequencies
- AEC-Q200 qualified for automotive applications
- Compact surface mount design suitable for reflow soldering
Applications
- General electronic equipment noise filtering
- Automotive signal line protection
- High-speed data line EMI suppression
Procurement Notes
Verify the specific datasheet version and RoHS status directly with the manufacturer or authorized distributors before procurement. Confirm that the AEC-Q200 qualification meets the specific reliability requirements of the target application. Ensure compatibility with standard reflow soldering profiles during assembly planning.
Selection Notes
Select this component when a compact, automotive-grade common mode choke is required for signal lines carrying low currents up to 340 mA. The 160 Ohm impedance at 100 MHz makes it suitable for suppressing high-frequency noise on sensitive data interfaces. Consider the 1206 footprint constraints and thermal operating limits up to 125°C.
Part Context
This part belongs to the WE-CNSW series of SMD common mode line filters manufactured by Würth Elektronik. The series is characterized by its small form factor and high performance in noise suppression applications. It is distinct from power inductors like the 744383770033, focusing instead on signal integrity rather than energy storage.
Replacement Considerations
The 744231121 is a similar WE-CNSW series component but differs in package size (0805 vs 1206), impedance (120 Ohms vs 160 Ohms), and current rating (370 mA vs 340 mA). Verify if these parameter differences are acceptable for the specific circuit design before substitution.
