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Product Detailed Parameters
- Description：CMC 100MA 2LN 900 OHM SMD
- Series：SRF2012A
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：100mA
- DC Resistance (DCR) (Max)：880mOhm
- 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：900 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012-901YA is a surface-mount common mode choke from the SRF2012A series, designed for high-frequency noise suppression in compact electronic circuits. It features a dual-line configuration with an impedance of 900 ohms at 100 MHz. The component supports a maximum DC current rating of 100 mA and withstands a DC voltage rating of 50 V. Its low DC resistance is specified at a maximum of 880 milliohms. The device operates within a temperature range of -40°C to +125°C and utilizes a 2.0 mm x 1.2 mm x 1.2 mm package footprint.
Feature Summary
- Provides effective common mode noise attenuation for differential signal lines
- Compact surface-mount design suitable for space-constrained PCB layouts
- High thermal stability across extended industrial operating temperatures
Applications
- High-speed data interface protection
- USB port filtering applications
- HDMI signal line noise suppression
Procurement Notes
Verify the specific suffix 'YA' against official Bourns documentation to confirm packaging and tape-and-reel specifications. Ensure the selected variant matches the required impedance tolerance and current handling capabilities for the target circuit design before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring significant common mode rejection in minimal board space. The 100 mA current rating limits suitability for high-power applications, making it ideal for low-current digital signaling lines rather than power delivery paths.
Part Context
This part belongs to the Bourns SRF2012A series of shielded common mode chokes. The series offers various impedance values within the same 0805 metric footprint, allowing designers to standardize assembly processes while adjusting filtering characteristics for different signal integrity requirements.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Generic equivalents may differ in saturation current or impedance frequency response.
