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Product Detailed Parameters
- Description：CMC 300MA 2LN 220OHM SMD AECQ200
- Series：SRF2012AA
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：400mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- 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：220 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012A-221YA is a surface-mount common mode choke from the SRF2012A series. It features a ferrite core and four terminals for two-line filtering. The component has an inductance of 220 Ohms at 100 MHz, a maximum DC current rating of 300 mA, and a maximum DC resistance (DCR) of 400 mOhm. It operates within a temperature range of -55°C to 125°C and complies with AEC-Q200 automotive standards.
Feature Summary
- Provides common mode noise suppression for two-line signal paths
- Constructed with a ferrite core for effective high-frequency attenuation
- Designed for surface mount assembly with compact dimensions
Applications
- Automotive electronic systems requiring AEC-Q200 compliance
- Signal line filtering in compact electronic devices
- Noise suppression in data transmission circuits
Procurement Notes
Verify the specific datasheet version for the SRF2012A-221YA to confirm exact electrical tolerances and mechanical drawings. Ensure that the 400 mOhm DCR and 300 mA current ratings align with your circuit design requirements. Confirm AEC-Q200 certification status if used in automotive applications. Check for any specific packaging or reel specifications required for your manufacturing process.
Selection Notes
Select this component when space-constrained designs require a two-line common mode choke with low DC resistance. The 300 mA rating suits low-current signal lines rather than power delivery. Consider the 220 Ohm impedance at 100 MHz for target noise frequencies. The wide operating temperature range supports harsh environments.
Part Context
This part belongs to the Bourns SRF2012A series of common mode chip inductors. The series offers various inductance values and impedance characteristics in a standardized small footprint. These components are designed for high-volume surface mount production and are suitable for applications demanding reliable noise filtering in limited board space.
Replacement Considerations
Check for other parts in the SRF2012A series with similar impedance and current ratings. Verify pinout compatibility and physical dimensions before substituting. Ensure alternative components meet the same AEC-Q200 automotive qualification if required by the application.
