VO617A-2

Transistor, Photovoltaic Output Optoisolators Overview

The VO617A-2 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output with a DIP-4 through-hole package. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and an isolation voltage of 5300 Vrms. The device supports a forward current of up to 60 mA with a typical forward voltage of 1.65 V. The current transfer ratio ranges from 63% to 125%, and the rise time is specified at 4.6 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation between input and output circuits via optical coupling.
• Utilizes an NPN phototransistor for digital signal transmission applications.
• Designed for through-hole mounting in standard DIP-4 packages.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation
• Switching power supply feedback loops
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation when ordering, as it may indicate packaging variations such as tube or reel formats. Confirm that the required current transfer ratio bin aligns with the design specifications, as the component offers a range of CTR values. Ensure the procurement documentation references the correct Vishay part number to distinguish it from alternative series variants like SFH617A-2.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring robust galvanic isolation with moderate speed requirements. The 80 V collector-emitter voltage rating suits low-voltage switching tasks. Consider the 4.6 µs rise time when evaluating high-frequency performance needs against faster alternatives. Verify thermal management requirements within the -55°C to +110°C operating temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the VO617 family of transistor output optocouplers. It serves as a standard solution for basic isolation tasks where cost-effectiveness and reliability are prioritized over high-speed data transmission. The DIP-4 form factor allows for easy integration into legacy and modern PCB designs utilizing through-hole technology.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The SFH617A-2 is documented as a recommended alternative with similar characteristics but different electrical limits, such as a 70 V collector-emitter voltage and 100 mA collector current. Verify pin compatibility and parameter margins before substitution.