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Product Detailed Parameters
- Description：CMC 200UH 70MA 2LN 10KOHM SMD
- Series：SRF3225TABM
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- 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：0.118" L x 0.079" W (3.00mm x 2.00mm)
- Height (Max)：0.098" (2.50mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：200 µH @ 100 kHz
- Impedance @ Frequency：10 kOhms @ 10 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF3225TABM-201Y is an automotive-grade common mode choke designed for surface mount applications. It features a ferrite core and bifilar winding within a compact 3.3x2.5x2.5mm package. Key electrical parameters include an inductance of 200µH, a DC resistance (DCR) maximum of 5.5Ω, and a rated voltage of 80V. The component supports a maximum DC current of 70mA and operates reliably within a temperature range of -40°C to +125°C. It meets AEC-Q200 standards for automotive reliability.
Feature Summary
- Automotive-grade construction compliant with AEC-Q200 standards
- Ferrite core design providing high impedance across wide frequency ranges
- Shielded structure engineered to minimize electromagnetic radiation
Applications
- Noise suppression for 1000Base-T1 automotive Ethernet networks
- Advanced Driver Assistance Systems (ADAS)
- Automotive infotainment systems
Procurement Notes
Verify the specific suffix 'Y' against official Bourns documentation to confirm tape and reel specifications. Ensure the selected variant matches the required 70mA current rating and 5.5Ω DCR limits for your circuit design. Cross-reference the 3.3x2.5mm footprint dimensions during PCB layout finalization to guarantee mechanical compatibility.
Selection Notes
Select this component when designing for 1000Base-T1 Ethernet interfaces requiring robust EMI filtering in space-constrained automotive environments. The bifilar-wound ferrite core offers effective noise attenuation while maintaining signal integrity. Consider the 80V rating and 70mA current limit to ensure adequate headroom for the target application's operational requirements.
Part Context
This part belongs to the SRF3225TABM series of automotive common mode chokes from Bourns. The series is specifically engineered to meet Open Alliance 1000Base-T1 requirements. These components utilize a shielded design to suppress unwanted EMI noise in critical vehicle electronics, supporting modern connectivity standards in demanding thermal conditions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify pinout and impedance characteristics before considering alternative manufacturers.
