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Product Detailed Parameters
- Description：CMC 200UH 70MA 2LN SMD AEC-Q200
- Series：CM
- Mfr：Laird-Signal Integrity Products
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：70mA
- DC Resistance (DCR) (Max)：5.5Ohm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height (Max)：0.098" (2.50mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：200 µH @ 100 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The CM1210A204R-1A is a surface-mount common mode choke manufactured by Laird-Signal Integrity Products. It features an inductance of 200 µH at 100 kHz and supports a maximum current of 70 mA. The component exhibits a DC resistance (DCR) of 5.5 Ohms and provides an impedance of 5.1 kOhm at 100 MHz. Designed for automotive applications, it meets AEC-Q200 qualification standards. The device utilizes a two-line configuration within a 1210 package footprint.
Feature Summary
- Provides effective common mode noise suppression for differential signal lines
- Qualified to AEC-Q200 automotive reliability standards
- Compact surface-mount design suitable for space-constrained PCB layouts
Applications
- Automotive infotainment system data buses
- Vehicle communication networks requiring EMI filtering
- High-speed digital interface protection circuits
Procurement Notes
Verify the specific suffix -1A corresponds to the required tape-and-reel packaging configuration. Confirm that the 70 mA current rating aligns with the operational requirements of the target circuit to prevent saturation. Ensure compatibility with standard reflow soldering profiles for 1210 surface-mount components during assembly.
Selection Notes
Select this component when high inductance is required for low-current signal lines in automotive environments. The 5.5 Ohm DCR impacts signal integrity; verify voltage drop tolerance. Compare against lower inductance variants if higher current capacity is needed, or different packages if board space allows for larger footprints.
Part Context
This part belongs to the CM series of common mode chokes from Laird-Signal Integrity Products. The series offers various inductance values and current ratings tailored for electronic equipment. The CM1210A204R-1A specifically targets applications needing robust noise filtering in compact form factors compliant with automotive industry standards.
Replacement Considerations
Check equivalent parts from the same manufacturer with similar inductance and current ratings. Verify pinout compatibility and physical dimensions before substitution. Ensure any alternative meets the same AEC-Q200 qualification if automotive use is required.
