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Product Detailed Parameters
- Description：CMC 80MA 2LN 900 OHM SMD
- Series：SRF2012
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：80mA
- DC Resistance (DCR) (Max)：600mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.081" L x 0.049" W (2.05mm x 1.25mm)
- Height (Max)：0.057" (1.45mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：900 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012-901Y is a surface-mount common mode choke designed for signal line protection. It features a four-terminal configuration with an impedance of 900 Ohms at 100 MHz. The component supports a maximum DC current rating of 80 mA and exhibits a maximum DC resistance of 600 mOhms. It operates within a temperature range of -55°C to +125°C and carries a voltage rating of 50V DC.
Feature Summary
- Provides effective suppression of common mode electromagnetic interference on high-speed data lines
- Utilizes a compact surface-mount footprint suitable for space-constrained printed circuit board layouts
- Constructed with ferrite core material to ensure stable inductive performance across operating temperatures
Applications
- High-speed serial communication interfaces such as USB and HDMI
- Data bus protection in consumer electronic devices
- Signal integrity enhancement in industrial control systems
Procurement Notes
Verify the specific suffix designation, as datasheets indicate variations like SRF2012-901YA which may differ in current ratings or resistance values. Confirm package dimensions and terminal availability directly from the manufacturer's official documentation before finalizing procurement specifications.
Selection Notes
Select this component when designing circuits requiring attenuation of high-frequency noise on differential pairs. Ensure the selected part meets the required impedance profile at the target frequency and that the current rating accommodates the peak operational load without saturation.
Part Context
This component belongs to the Bourns SRF2012 series of multilayer chip inductors. The series utilizes ferrite core technology to deliver consistent common mode rejection characteristics in a standardized small outline package format widely used in modern electronics manufacturing.
Replacement Considerations
Cross-reference with other SRF2012 variants such as SRF2012-900Y or SRF2012-901YA. Verify that substitute parts maintain identical impedance curves and physical dimensions to ensure compatibility with existing PCB footprints.
