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Product Detailed Parameters
- Description：CMC 280MA 2LN 370 OHM SMD
- Series：ACM-21
- Mfr：Abracon LLC
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：280mA
- DC Resistance (DCR) (Max)：400mOhm
- 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：370 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The ACM-21-371M-T is a surface-mount common mode choke from the Abracon ACM-21 series. It features a wirewound ferrite core design in an unshielded 0805 package (2012 metric). The component provides 370 Ohms impedance at 100 MHz with a rated DC current of 280 mA and a maximum DC resistance of 400 mOhms. It operates within a temperature range of -40°C to +105°C.
Feature Summary
- Wirewound construction using ferrite core material for effective noise suppression
- Unshielded design suitable for standard PCB layouts
- Compact 0805 footprint enabling high-density mounting
Applications
- Data line filtering in electronic circuits
- EMI suppression on signal lines
- Common mode noise reduction in portable devices
Procurement Notes
Verify the specific impedance value and current rating against the official Abracon datasheet before integration. Confirm that the 0805 package dimensions align with your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the manufacturer part number to avoid confusion with similar series variants.
Selection Notes
Select this component when a compact, unshielded common mode choke is required for data lines. The 280 mA current rating suits low-power applications. The 370 Ohm impedance at 100 MHz targets specific frequency noise profiles. Consider the 0805 size constraint and SMT assembly compatibility during design.
Part Context
This part belongs to the ACM-21 series of chip wire wound common mode chokes by Abracon. The series offers various impedance values in a standardized 0805 surface mount package. These components are designed for general-purpose EMI suppression in consumer electronics and communication equipment where space is limited.
Replacement Considerations
Check for direct substitutes within the ACM-21 series with matching impedance and current ratings. Verify pinout and dimensional compatibility if considering alternative manufacturers. Ensure equivalent thermal performance and core material characteristics.
