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Product Detailed Parameters
- Description：CMC 7.9UH 3A 2LN 1KOHM SMD
- Series：SRF7035A
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：23mOhm
- 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：0.276" L x 0.236" W (7.00mm x 6.00mm)
- Height (Max)：0.138" (3.50mm)
- Package / Case：Horizontal, 4 J-Lead
- Inductance @ Frequency：7.9 µH @ 100 kHz
- Impedance @ Frequency：1 kOhms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF7035A-102Y is a surface-mount common mode choke designed for electromagnetic interference suppression. It features an inductance of 7.9 µH and a minimum impedance of 600 Ω at 1 MHz. The component supports a maximum DC current of 3 A with a maximum DC resistance of 23 mΩ. Rated for 80 V DC, it operates within a temperature range of -40°C to +125°C. The device measures 7 mm x 6 mm x 3.5 mm and holds AEC-Q200 qualification.
Feature Summary
- Shielded structure for low radiation emission
- Independent winding configuration
- High current handling capability
- Compact footprint design
Applications
- DC/DC converter noise suppression
- Switching power supply filtering
- Industrial electronics EMI mitigation
- Consumer electronic power systems
Procurement Notes
Verify the specific suffix 'Y' against the manufacturer's latest datasheet to confirm packaging details and RoHS compliance status. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit application before finalizing procurement orders.
Selection Notes
Select this component when space constraints require a compact 7x6mm footprint with high current capacity up to 3A. The AEC-Q200 qualification makes it suitable for automotive or industrial environments requiring operation up to 125°C. Verify that the 600Ω minimum impedance at 1MHz meets the specific noise frequency requirements of the system.
Part Context
This part belongs to the Bourns SRF7035A series of shielded common mode chokes. The series offers various inductance values while maintaining a consistent small outline package. These components are engineered for high-performance noise suppression in dense PCB layouts where thermal stability and current handling are critical.
Replacement Considerations
Cross-reference with other SRF7035A variants from Bourns for different inductance or current ratings. Verify mechanical compatibility and electrical parameters such as impedance curves and saturation characteristics before substituting with generic equivalents.
