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Product Detailed Parameters
- Description：CMC 400MA 2LN 67 OHM SMD
- Series：SRF2012AA
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：250mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：67 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012A-670YA is a two-line common mode choke designed for surface mount applications. It features an impedance of 67 Ohms at 100 MHz and supports a maximum DC current of 400 mA. The component has a maximum DC resistance (DCR) of 250 mOhm and operates within a temperature range of -40°C to 125°C. It utilizes ferrite core material and carries AEC-Q200 automotive qualification.
Feature Summary
- Two-line configuration for differential signal filtering
- Automotive grade reliability via AEC-Q200 qualification
- Ferrite core construction for high-frequency noise suppression
Applications
- Automotive data line protection
- High-speed digital interface filtering
- Common mode noise suppression in compact electronics
Procurement Notes
Verify the specific suffix 'YA' against the manufacturer's official datasheet to confirm impedance tolerance and packaging specifications. Ensure the selected variant matches the required AEC-Q200 automotive qualification status if used in vehicle systems. Cross-reference the DCR value with the latest revision to avoid discrepancies between similar model numbers in the SRF2012 series.
Selection Notes
Select this component when space-constrained designs require a two-line filter with low insertion loss. The 400 mA current rating suits moderate power data lines. Verify that the 67 Ohm impedance at 100 MHz aligns with the target noise frequency spectrum. Confirm compatibility with standard reflow soldering profiles for surface mount assembly.
Part Context
This part belongs to the Bourns SRF2012A series of common mode chip inductors. The series offers various impedance values tailored for different frequency ranges. The SRF2012A designation indicates a specific footprint and automotive-grade construction, distinguishing it from non-automotive variants in the broader SRF2012 family.
Replacement Considerations
Direct substitutes include other Bourns SRF2012A models with identical impedance and current ratings. Verify pinout compatibility and physical dimensions before swapping. Non-Bourns equivalents must match the 67 Ohm @ 100 MHz specification and 400 mA rating.
