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Product Detailed Parameters
- Description：CMC 330MA 2LN 180 OHM SMD
- Series：SRF2012
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：330mA
- DC Resistance (DCR) (Max)：350mOhm
- 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：180 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The SRF2012-181Y is a two-line common mode choke manufactured by Bourns Inc. It provides an impedance of 180 Ohms at 100 MHz and supports a current rating of 330 mA. The component features a DC resistance (DCR) of 350 mOhm and operates within a temperature range of -55°C to 125°C. Designed for surface mount applications, it has a maximum voltage rating of 50V DC. The device is packaged in tape and reel format for automated assembly processes.
Feature Summary
- Dual-line configuration for filtering noise on signal pairs
- Surface mount design for compact circuit board integration
- High-temperature stability suitable for demanding environments
Applications
- Signal line filtering in electronic circuits
- Noise suppression for high-speed data lines
- EMI reduction in consumer electronics
Procurement Notes
Verify the specific suffix 'Y' against official Bourns documentation to confirm packaging and compliance details. Confirm RoHS status and lead-free certification requirements with the supplier. Ensure the obsolete lifecycle status does not impact long-term supply chain stability for your production needs.
Selection Notes
Select this component when dual-line common mode filtering is required for low-current signal paths. The 180 Ohm impedance at 100 MHz targets specific frequency ranges for noise attenuation. Consider the 330 mA current rating and 350 mOhm DCR to ensure compatibility with the target circuit's power and signal integrity constraints.
Part Context
This part belongs to the SRF2012 series of common mode chokes from Bourns Inc. The series offers various impedance values and current ratings for different filtering applications. The SRF2012 designation indicates the physical package size and form factor used for surface mounting on printed circuit boards.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify electrical equivalence with other Bourns SRF2012 variants or competitor components if direct substitution is necessary.
