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Product Detailed Parameters
- Description：CMC 370MA 2LN 120 OHM SMD
- Series：ACM-31
- Mfr：Abracon LLC
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：370mA
- DC Resistance (DCR) (Max)：300mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.118" L x 0.063" W (3.00mm x 1.60mm)
- Height (Max)：0.079" (2.00mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The ACM-31-121M-T is a two-line common mode choke manufactured by Abracon LLC, designed for surface mount applications. It features an impedance of 120 Ohms at 100 MHz and supports a maximum rated current of 370 mA. The component has a maximum DC resistance (DCR) of 300 milliohms and operates within a temperature range of -40°C to 85°C. Its physical dimensions are 3.00 mm in length, 1.60 mm in width, and a maximum height of 2.00 mm. The device is rated for 50V DC and utilizes a horizontal four-pad package configuration.
Feature Summary
- Provides signal line filtering with dual-channel common mode suppression capabilities
- Utilizes a compact surface mount footprint suitable for space-constrained designs
- Ensures low power loss through minimal DC resistance characteristics
Applications
- High-speed data interface protection
- Signal integrity enhancement in electronic circuits
- Common mode noise suppression in communication systems
Procurement Notes
Verify the specific ordering suffix to confirm packaging type, as variations exist between tape and reel configurations. Ensure compatibility with RoHS3 standards and confirm moisture sensitivity level requirements before integration into the manufacturing process. Cross-reference manufacturer part numbers with distributor codes to prevent procurement errors.
Selection Notes
Select this component when a 120 Ohm impedance at 100 MHz aligns with the target noise frequency spectrum. Evaluate the 370 mA current rating against peak operational loads to ensure reliability. Consider the 300 milliohm DCR impact on voltage drop and thermal management within the specific circuit topology.
Part Context
This component belongs to the ACM-31 series of chip wire wound common mode chokes from Abracon LLC. The series offers various impedance and current ratings tailored for different signal processing needs while maintaining consistent physical dimensions for standardized board layouts.
Replacement Considerations
Direct substitutes within the same series include ACM-31-102M-T and ACM-31-161M-T. Verify that alternative part numbers match the required impedance and current specifications for the intended application.
