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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：100% @ 1mA
- Current Transfer Ratio (Max)：320% @ 1mA
- Turn On / Turn Off Time (Typ)：6µs, 5.5µs
- Rise / Fall Time (Typ)：3.5µs, 5µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：55V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The SFH6286-3 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output and utilizes a GaAs infrared LED for input coupling. The device provides high isolation voltage of 5300 Vrms and supports surface mount installation in a 4-SMD gull-wing package. Key electrical parameters include a maximum collector-emitter voltage of 55 V, a maximum collector current of 100 mA, and a forward current of 50 mA. The current transfer ratio ranges from 100% to 320%. Operating temperatures span from -55°C to +100°C, with power dissipation rated at 150 mW.
Feature Summary
- High isolation voltage capability of 5300 Vrms for robust circuit separation
- Integrated GaAs infrared LED coupled with silicon planar phototransistor
- Wide operating temperature range suitable for demanding industrial environments
Applications
- Signal transmission between electrically isolated circuits
- Industrial control system interfaces
- Power supply feedback loops
Procurement Notes
Verify the specific suffix designation when ordering, as variants such as SFH6286-3T indicate reel packaging while standard suffixes may denote tube packaging. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the selected package type aligns with the intended surface mount assembly process requirements.
Selection Notes
Select this component for applications requiring high isolation voltage and moderate speed signal transmission. The NPN phototransistor output is suitable for digital switching applications. Consider the 100-320% current transfer ratio range for biasing calculations. Verify thermal management needs given the 150 mW power dissipation rating in the SMD package.
Part Context
The SFH6286-3 belongs to the SFH6286 family of transistor output optocouplers. This series includes variants with different current transfer ratios and packaging options. The component is designed for general-purpose isolation tasks where reliable signal transfer across potential barriers is required without magnetic interference susceptibility.
Replacement Considerations
SFH6286-4T is a documented substitute within the same product family offering similar isolation characteristics but with different current transfer ratio specifications.
