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Product Detailed Parameters
- Description：CMC 200MA 2LN 680OHM SMD AECQ200
- Series：ACM
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：1.3Ohm
- 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：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.051" (1.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：680 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The TDK ACM2012-681-2P-T001 is a surface-mount common mode filter designed for high-speed differential and general signal lines. It features a two-channel configuration with an impedance of 680 Ohms at 100 MHz. The component supports a maximum DC current of 200 mA and has a maximum DC resistance of 1.3 Ohms. Operating within a temperature range of -40°C to +105°C, it meets AEC-Q200 qualification standards. The physical dimensions are 2.0 mm in length, 1.2 mm in width, and 1.3 mm in height, housed in an 0805 package.
Feature Summary
- Provides effective noise suppression for high-speed differential signal lines
- Qualified for automotive applications under AEC-Q200 standards
- Compact surface-mount design suitable for space-constrained PCB layouts
Applications
- High-speed differential signal line filtering
- General signal line noise suppression
- Automotive electronic systems requiring AEC-Q200 compliance
Procurement Notes
Verify the specific suffix 'T001' corresponds to the required tape-and-reel packaging format. Confirm that the 200 mA rated current and 1.3 Ohm DCR meet the target circuit requirements. Ensure compatibility with standard reflow soldering profiles for 0805 components. Check for RoHS compliance documentation if required by local regulations.
Selection Notes
Select this component when a 680 Ohm impedance at 100 MHz is required for noise attenuation. The 200 mA current rating limits suitability for power lines; use only for signal paths. The AEC-Q200 qualification makes it appropriate for automotive environments. Compare against other ACM2012 variants if different impedance or current ratings are needed.
Part Context
This part belongs to the TDK ACM2012 series of common mode chokes. These filters are engineered for suppressing electromagnetic interference in compact electronic devices. The series offers various impedance and current options within the same 0805 footprint, allowing designers to maintain consistent board layouts while adjusting electrical characteristics.
Replacement Considerations
Direct substitutes include other ACM2012 series parts with identical 680 Ohm impedance and 200 mA current ratings, such as ACM2012-681-2P from other manufacturers if pin-compatible. Verify that any replacement maintains the same AEC-Q200 qualification and physical dimensions.
