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Product Detailed Parameters
- Description：CMC 2MH 600MA 2LN 3 KOHM SMD
- Series：SRF0905
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：600mA
- DC Resistance (DCR) (Max)：420mOhm
- 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)：0.209" (5.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：2 mH @ 100 kHz
- Impedance @ Frequency：3 kOhms @ 1 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF0905-202Y is a surface-mount common mode choke from the SRF0905 series, designed for power or data line filtering. It features an inductance of 2 mH (2000 µH) with a tolerance of ±50% and a rated DC current of 600 mA. The component exhibits a maximum DC resistance of 420 mΩ and an impedance of 3 kΩ. Constructed with a ferrite core, it operates within a temperature range of -40°C to +105°C. The physical dimensions are 9.2 mm in length, 6 mm in width, and 5 mm in height.
Feature Summary
- Utilizes a ferrite core material for effective electromagnetic interference suppression
- Designed for surface-mount PCB integration via SMD/SMT termination
- Provides dual-line common mode filtering capability
Applications
- Power line filtering in electronic circuits
- Data line noise suppression
- Automotive system applications requiring AEC-Q200 compliance
Procurement Notes
Verify the specific manufacturer part number against official Bourns documentation to ensure accuracy. Confirm that the required inductance value, current rating, and impedance specifications align with the circuit design requirements before procurement. Ensure compatibility with surface-mount assembly processes and verify operating temperature limits for the intended environment.
Selection Notes
Select this component when a compact surface-mount solution is required for common mode noise reduction on power or data lines. Consider the 600 mA current rating and 420 mΩ DC resistance for efficiency calculations. Verify that the 3 kΩ impedance meets the target frequency attenuation needs. Ensure the physical footprint fits the available PCB space.
Part Context
This component belongs to the Bourns SRF0905 series of common mode chokes. The series offers various inductance values and current ratings within a standardized 9.2 x 6 x 5 mm package. These components are engineered for high-density applications where space constraints limit the use of larger through-hole filters.
Replacement Considerations
Consult official Bourns documentation for verified substitute part numbers within the SRF0905 series or equivalent product lines. Ensure any replacement matches the critical electrical parameters and physical dimensions.
