VOS618AT

Transistor, Photovoltaic Output Optoisolators Overview

The VOS618AT is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output and utilizes SSOP-4 surface mount packaging. The device provides an isolation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 100 mA, and a forward current of 50 mA. The current transfer ratio ranges from 50% to 600%. Typical switching times are 10 µs for rise time and 12 µs for fall time.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits via optical transmission.
• Integrates an NPN phototransistor output stage capable of handling significant collector currents.
• Designed for surface mount assembly using a compact four-lead SSOP package.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Interface circuits for microprocessor-based logic systems
• Output isolation in solid-state relays

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific manufacturer part number against official Vishay documentation to ensure accuracy. Confirm that the SSOP-4 package type matches the design requirements. Check RoHS compliance status through the manufacturer's official datasheet or certification documents. Ensure the supplier provides valid traceability information for the component batch.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a surface mount solution with moderate speed and high isolation voltage is required. Compare the 3750 Vrms isolation rating against system safety standards. Evaluate the 50-600% current transfer ratio range to ensure adequate signal coupling for the intended load. Consider the 100 mA collector current limit for driving downstream circuitry directly.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the family of transistor output optocouplers produced by Vishay Semiconductor Opto Division. These devices are engineered for general-purpose isolation applications where electrical safety and signal integrity are critical. The series typically offers various package options and isolation ratings to suit different board space and voltage requirements.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify pinout compatibility and electrical specifications before considering any alternative components from other manufacturers.