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Product Detailed Parameters
- Description：CMC 2LN 900 OHM SMD AEC-Q200
- Series：SRF2012AA
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：-
- Voltage Rating - DC：100V
- Voltage Rating - AC：-
- Operating Temperature：-55°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：900 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012A-901YA is a surface-mount common mode choke from the SRF2012AA series, designed for EMI suppression in compact electronic circuits. It features a ferrite core and shielded construction within a 2.0mm x 1.2mm x 1.2mm package. The component provides an impedance of 900 Ohms at 100 MHz with a DC resistance maximum of 0.88 ohms. It supports a DC current rating of 100 mA and operates reliably across a temperature range of -55°C to +125°C.
Feature Summary
- Shielded ferrite core design minimizes electromagnetic interference coupling
- Compact surface-mount footprint suitable for high-density PCB layouts
- Automotive-grade reliability certified under AEC-Q200 standards
Applications
- EMI suppression in automotive infotainment systems
- Noise filtering for USB data lines
- Signal integrity protection in portable consumer electronics
Procurement Notes
Verify the specific suffix 'YA' against official Bourns documentation to confirm impedance tolerance and packaging details. Ensure the selected variant matches the required DC current rating and operating temperature specifications for the target application environment before finalizing procurement orders.
Selection Notes
Select this component when space constraints require a 2012 metric footprint with high impedance characteristics. The AEC-Q200 certification makes it suitable for automotive applications requiring robust performance under thermal stress. Compare DCR values against power loss requirements to ensure compatibility with low-current signal lines.
Part Context
This part belongs to the SRF2012AA series of common mode chip inductors manufactured by Bourns. The series offers various impedance options within a standardized small outline package, allowing designers to maintain consistent board layout practices while adjusting filtering characteristics for different noise frequencies.
Replacement Considerations
Direct substitutes include other Bourns parts from the SRF2012AA series with matching 900 Ohm impedance, such as SRF2012A-900YA or SRF2012A-901Y, provided pinout and dimensional tolerances remain identical.
