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Product Detailed Parameters
- Description：CMC 400MA 2LN 67 OHM SMD
- Series：ACM-21
- Mfr：Abracon LLC
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 ~ 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)：0.055" (1.40mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：67 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The ACM-21-670M-T is a surface-mount common mode choke from Abracon LLC, designed for signal line filtering. It features two lines with an impedance of 67 Ohms at 100 MHz and a maximum DC current rating of 400 mA. The component has a maximum DC resistance (DCR) of 250 mOhm. It operates within a temperature range of -40°C to +85°C and is housed in a compact SMD package.
Feature Summary
- Provides common mode noise suppression for high-speed signal lines
- Utilizes wire-wound ferrite core technology for effective filtering
- Designed for surface mount assembly on printed circuit boards
Applications
- High-speed data interface protection
- Signal line EMI filtering
- USB and peripheral port noise reduction
Procurement Notes
Verify the specific impedance value and current rating against the official Abracon datasheet before integration. Confirm that the package dimensions and pinout match the target PCB footprint. Ensure compliance with RoHS3 standards if required by the end product specifications.
Selection Notes
Select this component when a low DCR and moderate impedance are required for signal integrity preservation. Compare the 400 mA current rating against the application's peak current demands. Consider the physical size constraints relative to other ACM-21 series variants.
Part Context
This part belongs to the ACM-21 series of chip wire-wound common mode chokes manufactured by Abracon Corporation. The series offers various impedance and current combinations in a standardized small outline package suitable for automated surface mount placement processes.
Replacement Considerations
Consult the ACM-21 series datasheet for alternative part numbers with different impedance or current ratings. Verify mechanical compatibility and electrical performance equivalence before substituting.
