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Product Detailed Parameters
- Description：CMC 22UH 250MA 2LN 1.1KOHM SMD
- Series：SRF3225TAC
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：250mA
- DC Resistance (DCR) (Max)：500mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 150°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height (Max)：0.098" (2.50mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：22 µH @ 100 kHz
- Impedance @ Frequency：1.1 kOhms @ 10 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF3225TAC-220Y is an automotive-grade common mode choke from the SRF3225TAC series. It features a ferrite core and bifilar-wound construction for effective noise suppression. Key electrical parameters include an inductance of 22 µH, a DC current rating of 250 mA, and a maximum DC resistance of 0.5 Ω. The component is rated for 80 V and offers an impedance of 1.1 kΩ at 10 MHz. It complies with AEC-Q200 standards and is available in surface mount packages.
Feature Summary
- Automotive-grade reliability certified under AEC-Q200 standards
- Ferrite core construction with bifilar winding design
- Surface mount form factor for compact circuit integration
Applications
- Automotive electronic systems requiring EMI filtering
- Data line protection in vehicle infotainment units
- Noise suppression in automotive sensor interfaces
Procurement Notes
Verify the specific ordering suffix to ensure correct packaging configuration, such as cut tape or reel options. Confirm that the AEC-Q200 qualification status meets your project's automotive reliability requirements. Cross-reference the datasheet for precise mechanical dimensions to validate PCB footprint compatibility before finalizing procurement decisions.
Selection Notes
Select this component when designing circuits requiring 22 µH inductance with a 250 mA current handling capability. Ensure the 0.5 Ω DC resistance aligns with power loss constraints. Verify that the 80 V voltage rating is sufficient for the target application environment. Consider the 1.1 kΩ impedance at 10 MHz for high-frequency noise attenuation needs.
Part Context
This part belongs to the Bourns SRF3225TAC series of common mode chokes. These components are specifically engineered for automotive applications where space is limited and reliability is critical. The series utilizes ferrite materials to provide stable performance across varying temperature conditions typical in vehicle environments.
Replacement Considerations
Consult official Bourns documentation for verified substitute part numbers within the SRF3225TAC series or equivalent automotive-grade common mode chokes. Ensure any replacement matches the 22 µH inductance, 250 mA rating, and physical package dimensions.
