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Product Detailed Parameters
- Description：CMC 500MA 2LN 120 OHM SMD
- Series：ACM-0603
- Mfr：Abracon LLC
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：175mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.063" L x 0.033" W (1.60mm x 0.85mm)
- Height (Max)：0.047" (1.20mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The ACM-0603-121-T is a surface-mount common mode choke manufactured by Abracon LLC. It features a dual-line configuration with an impedance of 120 Ohms at 100 MHz and a maximum DC current rating of 500 mA. The component has a low DC resistance (DCR) of 175 mOhms and operates within a temperature range of -40°C to +85°C. Its physical dimensions are 1.6 mm in length, 0.85 mm in width, and 1.1 mm in height, conforming to the 0603 package style.
Feature Summary
- Dual-line surface mount construction for compact circuit integration
- High impedance performance at 100 MHz for effective noise suppression
- Low DC resistance to minimize power loss in signal paths
Applications
- EMI filtering in high-speed data lines
- Noise suppression in portable electronic devices
- Signal integrity protection in consumer electronics
Procurement Notes
Verify the specific manufacturer datasheet for the ACM-0603-121-T to confirm pinout orientation and tape-and-reel specifications. Ensure that the operating temperature range of -40°C to +85°C aligns with your system's environmental requirements. Cross-reference the 120 Ohm impedance value at 100 MHz against your EMI filter design calculations to ensure adequate attenuation. Confirm the 500 mA current rating meets the peak load demands of the protected circuit without saturation.
Selection Notes
Select this component when space constraints require a 0603 footprint for common mode noise reduction. The 120 Ohm impedance provides a balance between attenuation and signal transmission for moderate speed interfaces. The 500 mA current handling capability suits low-power digital lines. Consider the 175 mOhm DCR impact on voltage drop if the line carries significant continuous current. Verify compatibility with automated pick-and-place equipment due to the small SMD package size.
Part Context
This part belongs to Abracon's ACM-0603 series of surface mount common mode chokes. These components are designed for applications requiring efficient electromagnetic interference suppression in tight spaces. The series offers various impedance and current ratings to suit different signal line speeds and power levels. The ACM-0603-121-T specifically targets mid-range noise frequencies with its 120 Ohm specification.
Replacement Considerations
Check for direct substitutes from other manufacturers offering identical 120 Ohm impedance at 100 MHz and 500 mA current rating in a 0603 package. Ensure any replacement maintains the same 175 mOhm DCR limit and -40°C to +85°C operating temperature range. Verify mechanical footprint compatibility before substitution.
