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Product Detailed Parameters
- Description：CMC 4.8A 2LN 300OHM SMD AEC-Q200
- Series：WCM5555FASV-LM
- Mfr：TAI-TECH Advanced Electronics Co., Ltd.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：4.8A
- DC Resistance (DCR) (Max)：7.5mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.217" L x 0.217" W (5.50mm x 5.50mm)
- Height (Max)：0.138" (3.50mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：300 Ohms @ 100 MHz
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Overview
The WCM5555FASV-301-LM is a surface-mount common mode choke from the WCM5555FASV series by TAI-TECH. It features a 2-line configuration with an impedance of 300 Ohms at 100 MHz and a DC resistance of 7.5 mOhms. The component supports a rated current of 4.8A and operates within a temperature range of -55°C to +125°C. Its physical dimensions are 5.5 x 5.5 x 3.5 mm, designed for high-current applications requiring EMI suppression in automotive environments.
Feature Summary
- Automotive-grade construction compliant with AEC-Q200 standards
- High saturation current capability for power line filtering
- Wide operating temperature range suitable for harsh environments
Applications
- Automotive data center systems
- Electric vehicle charging infrastructure
- Advanced driver assistance systems (ADAS)
Procurement Notes
Verify the specific suffix and tape/reel packaging details directly with the manufacturer or authorized distributor before ordering. Confirm that the component meets the required AEC-Q200 qualification status for your specific automotive application tier. Ensure storage conditions align with moisture sensitivity levels defined in the datasheet to prevent soldering defects during assembly.
Selection Notes
Select this component when designing circuits requiring robust EMI suppression for high-current lines in automotive electronics. The 4.8A rating and low DCR make it suitable for power delivery networks where signal integrity must be maintained without excessive voltage drop. Consider the 5.5x5.5mm footprint for board space constraints while ensuring adequate thermal management for continuous operation.
Part Context
This part belongs to the WCM5555FASV series of wire-wound power common mode filters. These components are engineered specifically for automotive applications, distinguishing them from standard industrial parts through rigorous quality controls and specialized manufacturing processes. The series supports various impedance values to match different noise frequencies while maintaining consistent physical dimensions for design flexibility.
Replacement Considerations
Check for direct substitutes within the WCM5555FASV series with matching impedance ratings. Verify that any alternative maintains the same 5.5x5.5x3.5mm package and 4.8A current handling capacity. Ensure replacement parts also hold AEC-Q200 certification if used in safety-critical automotive systems.
