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Product Detailed Parameters
- Description：CMC 370MA 2LN 90OHM SMD AEC-Q200
- Series：WE-CNSW
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：370mA
- DC Resistance (DCR) (Max)：300mOhm
- 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：90 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744232090 is a surface-mount common mode choke from the WE-CNSW series, designed for signal line applications. It features two channels with an inductance of 111 nH and a rated DC current of 370 mA. The component exhibits a maximum DC resistance of 300 mOhms and provides 90 Ohms impedance at 100 MHz. It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification. The physical dimensions are 3.20 mm x 1.60 mm x 2.00 mm.
Feature Summary
- AEC-Q200 qualified for automotive reliability standards
- Compact 1206 surface-mount footprint for space-constrained designs
- Integrated EMI filtering capability for high-speed signal lines
Applications
- USB 3.0 interface protection
- High-speed data line EMC suppression
- Automotive electronic signal conditioning
Procurement Notes
Verify the specific ordering suffix against the manufacturer's datasheet to ensure correct packaging and tolerance specifications. Confirm that the AEC-Q200 qualification status aligns with your project's automotive compliance requirements before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring low-profile filtering for differential signal pairs. Ensure the 370 mA current rating meets the operational load of the target interface. Verify that the 1206 package size fits within the available PCB real estate constraints.
Part Context
This part belongs to the WE-CNSW series of surface-mount common mode chokes. These components are engineered specifically for suppressing electromagnetic interference on high-speed digital interfaces. The series offers various impedance and current ratings to suit different signal integrity requirements.
Replacement Considerations
Check for direct substitutes within the WE-CNSW series that match the 1206 footprint and 370 mA rating. Ensure any replacement maintains the same AEC-Q200 qualification if used in automotive contexts.
FAQ
What is the operating temperature range for the 744232090?
The component operates reliably within a temperature range of -40°C to +125°C.
Is this component suitable for automotive applications?
Yes, the 744232090 is AEC-Q200 qualified, indicating it meets automotive reliability standards.
