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Product Detailed Parameters
- Description：CMC 2MH 600MA 2LN 3 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)：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)：0.248" (6.30mm)
- 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 SRF0905A-202Y is a two-channel surface-mount common mode choke designed for automotive applications. It features an inductance of 2 mH with a tolerance of 50% and a rated DC current of 600 mA. The component exhibits a maximum DC resistance of 420 mOhms and provides a common mode impedance of 3 kOhms at 1 MHz. Measuring 9.2 mm by 6 mm by 5 mm, it operates within a temperature range of -40°C to +105°C. The device is AEC-Q200 qualified and utilizes a ferrite core.
Feature Summary
- AEC-Q200 qualified for automotive reliability standards
- Compact surface-mount footprint suitable for space-constrained designs
- Ferrite core construction for effective noise suppression
Applications
- Automotive driving assistance systems
- Automotive information systems
- General automotive electronic circuits requiring EMI filtering
Procurement Notes
Verify the specific suffix against official manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with automated placement equipment regarding the specified surface-mount dimensions. Confirm that the operating temperature range meets the environmental requirements of the target application zone.
Selection Notes
Select this component when a 2 mH inductance value is required for common mode noise reduction in low-current automotive lines. The 600 mA rating dictates suitability for signal or low-power data lines rather than high-current power rails. Consider the physical dimensions if board real estate is limited compared to larger industrial-grade chokes.
Part Context
This part belongs to the Bourns SRF0905A series of line filters. The series offers various inductance values ranging from 10 µH to 6500 µH and supports currents up to 1.6 A. All components in this family share the same 9.2 x 6 x 5 mm package and AEC-Q200 qualification status.
Replacement Considerations
Consult the official Bourns datasheet for direct cross-references. Verify that any substitute maintains the 2 mH inductance, 600 mA current rating, and 9.2x6x5mm footprint to ensure mechanical and electrical compatibility.
