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Product Detailed Parameters
- Description：CMC 300MA 2LN 90 OHM SMD
- Series：ACM-D
- Mfr：TDK Corporation
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：300mOhm
- Voltage Rating - DC：20V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- 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：90 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The TDK ACM2012D-900-2P-T is a surface-mount common mode filter designed for high-speed differential signal lines and general signal lines. It features a 0805 (2012 metric) package with dimensions of 2.00mm x 1.20mm x 1.30mm. The component provides a typical impedance of 90 Ohms at a test frequency of 100 MHz, with a minimum impedance of 65 Ohms. It supports a maximum DC current of 400 mA and has a maximum DC resistance of 190 mOhms. Rated for 50 VDC, it operates within a temperature range of -40°C to +105°C and holds AEC-Q200 qualification.
Feature Summary
- Designed specifically for suppressing electromagnetic interference in high-speed differential signal lines such as DVI and HDMI interfaces.
- Constructed in a compact horizontal SMD package suitable for space-constrained printed circuit board layouts.
- Qualified under the AEC-Q200 standard, ensuring reliability for automotive electronic applications.
Applications
- High-speed differential signal line filtering
- DVI and HDMI interface noise suppression
- General signal line protection
Procurement Notes
Verify the specific suffix against official TDK documentation to confirm exact electrical tolerances and packaging specifications. Ensure the selected variant matches the required impedance and current ratings for the target application. Confirm RoHS compliance status directly from the manufacturer's datasheet before procurement.
Selection Notes
Select this component when filtering high-speed digital signals requires low profile and minimal parasitic capacitance. The 90 Ohm impedance at 100 MHz targets common noise frequencies while maintaining signal integrity. Verify that the 400 mA current rating exceeds the operational load to prevent saturation and ensure stable performance under varying thermal conditions.
Part Context
This part belongs to the TDK ACM2012 series of common mode chokes. The series offers various impedance values and current ratings within the 0805 footprint. It is engineered for applications requiring effective EMI reduction without significantly increasing the physical size of the electronic assembly.
Replacement Considerations
Check for ACM2012-900-2P-T001 or ACM2012-900-2P-T002 as potential equivalents. Verify that substitute parts match the 90 Ohm impedance, 400 mA current rating, and 0805 package dimensions. Confirm compatibility with AEC-Q200 requirements if used in automotive contexts.
