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Product Detailed Parameters
- Description：CMC 1MH 350MA 2LN 2.2 KOHM SMD
- Series：SRF1306
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：350mA
- DC Resistance (DCR) (Max)：400mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.413" L x 0.374" W (10.50mm x 9.50mm)
- Height (Max)：0.238" (6.05mm)
- Package / Case：8-SMD, Gull Wing
- Inductance @ Frequency：1 mH @ 100 kHz
- Impedance @ Frequency：2.2 kOhms @ 500 kHz
- Qualification：-
- Grade：-
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Overview
The SRF1306-102Y is a surface-mount common mode choke from the Bourns SRF1306 series, designed for EMI filter circuits. It features a rated voltage of 50 VDC and a maximum DC current of 350 mA. The component exhibits an inductance of 1 mH at 100 kHz and provides an impedance of 2.2 kOhms at 500 kHz. Its direct current resistance is specified as 400 mOhms. The device utilizes solder termination and is available in cut tape or reel packaging formats.
Feature Summary
- Provides common mode noise suppression for signal and power lines
- Designed for surface mount assembly on printed circuit boards
- Constructed with a shielded magnetic core structure
Applications
- EMI filtering in electronic equipment
- Signal line protection in data interfaces
- Power supply input stages
Procurement Notes
Verify the complete part number including the suffix to ensure correct inductance and tolerance specifications. Confirm that the required operating temperature range aligns with the component's -40°C minimum rating. Ensure the PCB footprint matches the physical dimensions of the SRF1306 package type before finalizing procurement orders.
Selection Notes
Select this component when a compact surface-mount solution is required for low-current applications up to 350 mA. The 1 mH inductance value is suitable for attenuating high-frequency interference around 100 kHz. Consider the 400 mOhm DCR for minimal voltage drop in sensitive power paths. Verify that the 50 VDC rating meets the system's electrical requirements.
Part Context
This component belongs to the SRF1306 series of shielded common mode chokes manufactured by Bourns Electronic Solutions. The series offers various inductance values within a standardized surface-mount footprint. These components are categorized under EMI filter circuits and are intended for use in consumer electronics and industrial control systems requiring noise reduction.
Replacement Considerations
Cross-reference with other SRF1306 series variants such as SRF1306-600Y for different inductance requirements. Ensure any substitute maintains the same 350 mA current rating and 50 VDC voltage limit. Verify compatibility with existing PCB land patterns and thermal management strategies.
