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Product Detailed Parameters
- Description：CMC 200UH 100MA 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)：100mA
- DC Resistance (DCR) (Max)：4.5Ohm
- Voltage Rating - DC：50V
- 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 CM1812A204R-1A is a surface-mount common mode choke from the Laird-Signal Integrity Products series. It features an inductance of 200 µH measured at 100 kHz and supports two signal lines. The component has a maximum DC resistance (DCR) of 4.5 Ohms and a rated current of 100 mA. It is designed for automotive applications, holding AEC-Q200 qualification. The physical package dimensions are standard for the 1812 footprint, suitable for automated surface mount assembly processes.
Feature Summary
- Dual-line configuration for common mode noise suppression
- Automotive grade reliability with AEC-Q200 certification
- Surface mount design for compact PCB integration
Applications
- CAN-BUS signal line filtering
- Automotive electronic control unit protection
- High-speed data interface noise suppression
Procurement Notes
Verify the specific suffix and revision level against the manufacturer's latest datasheet to ensure compatibility with current production requirements. Confirm that the AEC-Q200 qualification status remains valid for your specific application environment. Check for any recent product change notices or obsolescence announcements directly from Laird-Signal Integrity Products before finalizing procurement plans.
Selection Notes
Select this component when dual-line common mode rejection is required for low-current automotive signals. Ensure the 100 mA current rating meets the operational peak requirements of the target circuit. Verify that the 4.5 Ohm DCR does not introduce excessive voltage drop or power loss in the specific signal path being protected.
Part Context
This component belongs to the Laird-Signal Integrity Products portfolio focused on electromagnetic interference mitigation. It is specifically engineered for the automotive sector, adhering to strict reliability standards. The part serves as a critical passive element for maintaining signal integrity in noisy vehicle environments.
Replacement Considerations
Publicly confirmed substitute part numbers were not identified in the provided source material. Consult official distributor databases or contact Laird-Signal Integrity Products directly for validated cross-reference options.
