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Product Detailed Parameters
- Description：CMC 300MA 2LN 300 OHM SMD
- Series：SRF2012A
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：500mOhm
- 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：300 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF2012-301YA is a common mode chip inductor from the SRF2012A series, utilizing ferrite core material. It features a four-terminal surface mount package with dimensions of 2.0mm length, 1.2mm width, and 1.2mm height. The component provides an impedance of 300 Ohms at 100 MHz and supports a maximum DC current of 300 mA. Its maximum DC resistance is 500 mOhms with a tolerance of ±25%. It operates within a temperature range of -55°C to +125°C.
Feature Summary
- Four-terminal surface mount architecture for efficient circuit board integration
- Ferrite core construction designed for effective common mode noise suppression
- Compact physical footprint suitable for space-constrained electronic designs
Applications
- Data line protection in portable consumer electronics
- Signal integrity enhancement in high-speed digital interfaces
- Noise filtering for communication modules in compact devices
Procurement Notes
Verify the specific suffix YA against official Bourns documentation to confirm exact impedance and current ratings. Ensure the ordering part number matches the required 300 Ohm specification at 100 MHz. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement orders.
Selection Notes
Select this component when a low-profile, four-terminal common mode choke is required for data lines. The 300 mA current rating suits low-power signal applications. Verify that the 500 mOhm DCR meets system power loss requirements. Ensure the operating temperature range covers the intended environmental conditions.
Part Context
This component belongs to the Bourns SRF2012A series of common mode chip inductors. The series offers various impedance values within a standardized 2012 metric package size. These components are engineered for surface mount technology assembly processes.
Replacement Considerations
Check for direct substitutes within the SRF2012A series offering identical 300 Ohm impedance and 300 mA current ratings. Verify pin compatibility and physical dimensions before substituting.
