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Product Detailed Parameters
- Description：CMC 2LN 370 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：370 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012A-371YA is a surface-mount common mode choke designed for signal line applications. It features a ferrite core and a compact 2.0 x 1.2 x 1.2 mm package with four terminals. The component offers an impedance of 370 Ohms at 100 MHz and supports a maximum DC current of 300 mA. It operates within a temperature range of -55°C to 125°C and complies with AEC-Q200 automotive standards.
Feature Summary
- Provides effective noise suppression for differential signal lines through common mode filtering capabilities.
- Constructed with a ferrite core to ensure stable inductive performance across varying conditions.
- Complies with AEC-Q200 qualification standards, ensuring reliability for demanding environments.
Applications
- Automotive infotainment and communication systems
- High-speed data interface protection
- Signal line filtering in electronic control units
Procurement Notes
Verify the specific suffix 'YA' against the manufacturer's latest documentation to confirm exact impedance and tolerance specifications. Ensure that the AEC-Q200 compliance status aligns with your project's automotive grade requirements. Cross-reference the physical dimensions and terminal configuration with your PCB footprint design to guarantee proper assembly and fitment.
Selection Notes
Select this component when space-constrained designs require robust common mode rejection for high-frequency signals. The 300 mA current rating suits low-power signal lines rather than power delivery paths. Consider the 370 Ohm impedance value relative to the target frequency spectrum to ensure adequate attenuation characteristics for the specific application needs.
Part Context
This part belongs to the SRF2012A series of multi-layer surface mount inductors from Bourns. The series is engineered for compact electronics requiring reliable passive components. The specific model utilizes a standard 2012 metric footprint, facilitating integration into modern printed circuit board layouts where minimal profile is critical.
Replacement Considerations
Consult official substitution lists for equivalent common mode chokes with matching 370 Ohm impedance and 2.0x1.2mm dimensions. Verify that any alternative maintains AEC-Q200 certification if automotive usage is required. Ensure thermal and current ratings meet or exceed the original specifications.
