VO617A-9

Transistor, Photovoltaic Output Optoisolators Overview

The VO617A-9 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output with a current transfer ratio (CTR) ranging from 200% to 400%. The device supports a maximum forward current of 60 mA and a collector-emitter voltage of 80 V. Key electrical parameters include a forward voltage of 1.65 V, a collector-emitter saturation voltage of 400 mV, and a reverse voltage of 6 V. Timing characteristics specify a rise time of 4.6 µs and a fall time of 15 µs. The component provides high isolation with a test voltage of 5300 VRMS and operates within a temperature range of -55°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using a single NPN phototransistor configuration.
• Ensures reliable signal transmission through a wide current transfer ratio range of 200% to 400% at specified forward currents.
• Supports robust operation in demanding environments with an extended operating temperature range from -55°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation for signal interfacing
• Power supply feedback loops for voltage regulation and monitoring
• Communication interfaces where noise immunity and circuit separation are critical

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official Vishay documentation to confirm package type and tape/reel specifications. Ensure that the required CTR bin matches the application's sensitivity thresholds. Confirm compliance with relevant safety standards such as IEC/EN/DIN EN 60747-5-5 for isolation ratings before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a high current transfer ratio is necessary for driving subsequent stages without additional amplification. Consider the 400 mV saturation voltage for low-power switching applications. Evaluate the 4.6 µs rise time against system speed requirements to ensure adequate response times for the intended signal frequencies.

Transistor, Photovoltaic Output Optoisolators Part Context

The VO617A-9 belongs to the VO617A series of transistor output optocouplers designed for general-purpose isolation tasks. This series offers various CTR bins to accommodate different gain requirements while maintaining consistent physical dimensions and pinout configurations across the family for design flexibility.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: SFH617A-4, VO617A-8, VO617A-2, SFH617A-2, VO617C-3X017T1.