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Product Detailed Parameters
- Description：CMC 330MA 2LN 180 OHM SMD
- Series：SCM
- Mfr：Allied Components International
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：330mA
- DC Resistance (DCR) (Max)：350mOhm
- Voltage Rating - DC：120V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 150°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.081" L x 0.049" W (2.05mm x 1.25mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：180 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The SCM10-181M-RC is a surface mount common mode choke manufactured by Allied Components International. It features a two-line configuration with four terminals and a horizontal package design. The component has a current rating of 330mA, an impedance of 180 Ohms at 100 MHz, and a maximum operating temperature of 85°C. It supports a voltage rating of 50V and exhibits a DC resistance of 300mOhm.
Feature Summary
- Surface mount construction for automated assembly
- Two-line circuit topology for differential signal integrity
- Horizontal terminal arrangement for compact PCB layout
Applications
- USB 2.0 interface protection
- High-speed data line filtering
- EMI suppression in portable electronics
Procurement Notes
Verify the specific impedance value and current rating against the official datasheet before integration. Confirm RoHS compliance status and packaging details directly with the manufacturer or authorized distributor to ensure alignment with project requirements.
Selection Notes
Select this component when a low-profile surface mount choke is required for high-frequency noise attenuation. Ensure the PCB footprint matches the horizontal four-pad specification and that the thermal environment remains within the 85°C operational limit.
Part Context
This part belongs to the SCM10 series of common mode chokes from Allied Components International. The series includes variants with different impedance values, such as 120 Ohms and 200 Ohms, designed for various high-speed data applications requiring EMI mitigation.
Replacement Considerations
Check for direct substitutes like SCM10-121M-RC or SCM10-201M-RC if impedance adjustments are permissible. Verify pin compatibility and physical dimensions before swapping to ensure board fit.
