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Product Detailed Parameters
- Description：CMC 800MA 2LN 22OHM 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)：800mA
- DC Resistance (DCR) (Max)：80mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.063" L x 0.033" W (1.60mm x 0.85mm)
- Height (Max)：0.047" (1.20mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：22 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744230220 is a surface-mount common mode choke from the WE-CNSW series, designed for signal line filtering. It features an inductance of 10 µH at 10 MHz and offers an impedance of 22 Ω at 100 MHz. The component supports a maximum DC current of 800 mA with a maximum DC resistance of 0.08 Ω. Rated for 50 V DC, it operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.
Feature Summary
- Provides effective common mode noise suppression for high-speed signal lines
- Compact 0603 surface mount footprint for space-constrained designs
- Automotive-grade reliability certified under AEC-Q200 standards
Applications
- High-speed data interface protection
- USB port EMI filtering
- Automotive infotainment system signal conditioning
Procurement Notes
Verify the specific suffix codes against official datasheets to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with automated pick-and-place equipment regarding the 0603 package dimensions. Confirm RoHS compliance status for your target market regulations before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring compact common mode filtering for differential signal lines. The 800 mA rating suits moderate current applications, while the 22 Ω impedance at 100 MHz targets higher frequency noise attenuation. Consider thermal management requirements given the low DCR and operating temperature limits.
Part Context
This part belongs to the WE-CNSW series of surface mount common mode chokes. The series focuses on providing RFI/EMI suppression for sensitive electronic interfaces in a minimal profile. It complements other passive components in power integrity and signal integrity design workflows.
Replacement Considerations
Consult manufacturer cross-reference lists for verified substitutes. Ensure replacement parts match the 0603 footprint, 10 µH inductance, and 800 mA current rating to maintain circuit performance without redesign.
FAQ
What is the impedance value at 100 MHz?
The impedance is 22 Ω at 100 MHz.
Is this component suitable for automotive applications?
Yes, it is qualified according to the AEC-Q200 standard.
