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Product Detailed Parameters
- Description：CMC 50UH 800MA 2LN 1.5 KOHM SMD
- Series：SRF0905A
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：800mA
- DC Resistance (DCR) (Max)：320mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.362" L x 0.236" W (9.20mm x 6.00mm)
- Height (Max)：0.248" (6.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：50 µH @ 1 kHz
- Impedance @ Frequency：1.5 kOhms @ 20 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF0905A-500Y is a surface-mount common mode choke from the SRF0905A series, designed for automotive applications. It features an inductance of 50 µH with a tolerance of ±30% and a rated current of 800 mA. The component has a maximum DC resistance of 320 mΩ and an impedance of 1.5 kΩ at 1 kHz. Constructed with a ferrite core and wire-wound technology, it operates within a temperature range of -40°C to +105°C. The physical dimensions are 9.2 mm x 6 mm x 5 mm, housed in a 0905 package.
Feature Summary
- AEC-Q200 qualified for automotive reliability standards
- Ferrite core construction with wire-wound design
- Compact surface-mount form factor
Applications
- Automotive circuit EMI filtering
- Signal line noise suppression
- Common mode interference reduction in vehicle electronics
Procurement Notes
Verify the specific suffix 'Y' against official Bourns documentation to confirm packaging configuration and compliance status. Ensure the AEC-Q200 qualification aligns with target automotive requirements. Cross-reference datasheet revisions to confirm electrical parameters match system specifications before integration.
Selection Notes
Select this component when compact automotive-grade filtering is required for signal lines carrying up to 800 mA. The 50 µH inductance provides effective attenuation for common mode noise. Verify that the 320 mΩ DC resistance meets power loss constraints and that the 0905 footprint fits the PCB layout.
Part Context
This part belongs to the Bourns SRF0905A series of surface-mount common mode chokes. The series offers various inductance values tailored for automotive environments. The SRF0905A designation indicates specific dimensional and performance characteristics distinct from other Bourns inductor families.
Replacement Considerations
Check for direct cross-references or alternative parts within the SRF0905A series offering similar inductance and current ratings. Verify pin compatibility and thermal performance if substituting with components from other manufacturers.
