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Product Detailed Parameters
- Description：CMC 400MA 2LN 67OHM SMD AEC-Q200
- Series：WQCF2012FH
- Mfr：Walsin Technology Corporation
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：250mOhm
- 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：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：0805 (2012 Metric)
- Inductance @ Frequency：-
- Impedance @ Frequency：67 Ohms @ 100 MHz
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Overview
The WQCF2012FHM670PB is a surface-mount common mode choke manufactured by Walsin Technology Corporation. It features a wirewound construction designed for automotive applications. The component provides an impedance of 67 Ohms at 100 MHz and supports a current rating of 400 mA. Its DC resistance (DCR) is specified as a maximum of 250 mOhm, with a DC voltage rating of 50V. The device operates within a temperature range starting from -40°C.
Feature Summary
- Wirewound construction for effective noise suppression
- Automotive-grade reliability design
- Compact surface-mount form factor
Applications
- Automotive electronic circuits
- Common mode noise filtering
- Signal line protection
Procurement Notes
Verify the manufacturer part number against official Walsin Technology Corporation documentation to ensure authenticity. Confirm that the specific package type and electrical ratings match the system requirements. Check for RoHS compliance status in the latest datasheet. Ensure storage conditions adhere to moisture sensitivity levels if applicable. Validate supplier authorization before purchase.
Selection Notes
Select this component when automotive-grade common mode chokes are required for signal integrity. Consider the 67 Ohm impedance at 100 MHz for target noise frequencies. Evaluate the 400 mA current handling capability against circuit load. The low DCR minimizes power loss. Ensure the operating temperature range covers the application environment.
Part Context
This component belongs to Walsin's passive filter portfolio, specifically focusing on electromagnetic interference suppression. Common mode chokes are essential for maintaining signal quality in noisy environments. The 2012 package size offers a balance between performance and board space efficiency for modern electronics.
Replacement Considerations
Consult Walsin Technology Corporation for direct equivalents. Verify impedance curves and current ratings carefully. Cross-reference package dimensions for mechanical fit. Ensure automotive qualification standards are met by any substitute.
FAQ
What is the impedance value of the WQCF2012FHM670PB?
The impedance is 67 Ohms at a frequency of 100 MHz.
Is this component suitable for automotive use?
Yes, it is explicitly designated for automotive applications.
What is the maximum DC resistance?
The maximum DC resistance is 250 mOhm.
