VO217AT

Transistor, Photovoltaic Output Optoisolators Overview

The VO217AT is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It integrates a Gallium Arsenide infrared LED with a silicon NPN phototransistor featuring a base terminal for improved switching performance. The device provides an isolation voltage of 4000 Vrms and operates within a temperature range of -40°C to +100°C. Key electrical parameters include a maximum collector current of 50 mA, a collector-emitter saturation voltage of 400 mV, and a forward voltage of 1.5 V. The typical rise and fall times are 3 µs and 2 µs, respectively, with a current transfer ratio ranging from 100% to 130%.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a Gallium Arsenide infrared LED with a silicon NPN phototransistor equipped with a base terminal.
• Provides high isolation capability with a rated voltage of 4000 Vrms.
• Features low input current requirements and fast switching speeds suitable for digital signal transmission.

Transistor, Photovoltaic Output Optoisolators Applications

• Digital signal isolation in industrial control systems
• Interface circuits between microprocessors and peripheral devices
• Power supply feedback loops requiring galvanic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix and package type when sourcing, as availability may vary between tape-and-reel and cut-tape formats. Confirm compliance with RoHS standards and ensure the supplier provides valid datasheets matching the Vishay Semiconductor Opto Division part number. Cross-reference manufacturer codes to avoid counterfeit components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select the VO217AT when a single channel with base-driven phototransistor output is required for faster switching than standard variants. Consider the 8-SOIC package constraints and thermal dissipation limits of 240 mW. Ensure the application voltage does not exceed the 30 V collector-emitter rating and that the input current remains within the 60 mA maximum limit.

Transistor, Photovoltaic Output Optoisolators Part Context

The VO217AT belongs to the VO21xAT family of optocouplers, which includes similar models like the VO215AT and VO216AT. These components share common design features such as the GaAs LED and NPN phototransistor structure. The series is designed for general-purpose isolation applications where reliable signal transmission across isolated barriers is necessary.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers include IL217AT. Both parts share identical pinouts and functional characteristics within the Vishay portfolio. Verify that alternative sources match the 8-SOIC package dimensions and electrical ratings before implementation.