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Product Detailed Parameters
- Description：CMC 350MA 2LN 180OHM SMD AECQ200
- Series：SRF2012AA
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：350mA
- DC Resistance (DCR) (Max)：350mOhm
- 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：0.079" L x 0.047" W (2.00mm x 1.20mm)
- 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 SRF2012A-181YA is a surface-mount common mode choke from Bourns Inc., designed for automotive applications. It features two lines with an impedance of 180 Ohms at 100 MHz and a rated current of 350 mA. The component has a DC resistance (DCR) of 350 mOhm and operates within a temperature range of -40°C to 125°C. It meets AEC-Q200 standards and has a maximum height of 1.40 mm.
Feature Summary
- Automotive-grade reliability compliant with AEC-Q200 standards
- Compact surface-mount design suitable for space-constrained PCB layouts
- Dual-line configuration for effective common mode noise suppression
Applications
- Automotive electronic circuits requiring EMI filtering
- Data line protection in vehicle infotainment systems
- Signal integrity enhancement in automotive communication buses
Procurement Notes
Verify the specific suffix 'YA' corresponds to the tape-and-reel packaging format required for your assembly process. Confirm that the 350 mA current rating aligns with your circuit's peak operational demands. Ensure the 1.40 mm height fits within your mechanical clearance constraints. Cross-reference the AEC-Q200 certification if automotive qualification is mandatory for your project.
Selection Notes
Select this component when automotive-grade durability and compact form factor are prioritized. The 180 Ohm impedance at 100 MHz targets high-frequency noise suppression. Consider the 350 mA current limit for low-power signal lines rather than high-current power paths. The dual-line structure supports differential signaling applications effectively.
Part Context
This part belongs to the SRF2012A series of common mode chip inductors by Bourns. The series is engineered for automotive environments, offering robust performance under varying thermal conditions. The 2012 package size indicates a standard metric footprint, balancing electrical performance with board space efficiency for modern electronic assemblies.
Replacement Considerations
Consult official Bourns documentation for direct cross-references. Verify compatibility of impedance curves and current ratings before substituting with other manufacturers' components. Ensure any alternative meets the same AEC-Q200 automotive qualification requirements.
