VOM618A-8T

Transistor, Photovoltaic Output Optoisolators Overview

The VOM618A-8T is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output and utilizes a 4-SOP Miniflat surface-mount package. The device provides an isolation voltage of 3750 Vrms. Key electrical parameters include a collector-emitter saturation voltage of 400 mV maximum, a forward current of 60 mA maximum, and a forward voltage of 1.6 V typical. The current transfer ratio ranges from 80% to 160% at 1 mA input. Operating temperatures span from -55°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Integrates a GaAs infrared emitting diode with a silicon planar phototransistor
• Designed for low input current operation to enhance efficiency

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems
• Interface circuits for microprocessors and logic systems
• Power supply feedback loops requiring galvanic separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '8T' against official Vishay documentation to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure the selected component matches the required SOP-4 footprint dimensions and thermal dissipation characteristics for the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact surface-mount solution is required for moderate-speed signal transmission. Consider the 80-160% CTR range for standard logic interfacing. Evaluate the 3750 Vrms isolation rating against system safety requirements. Compare rise and fall times if high-frequency switching performance is critical for the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the VOM61xA series of low input current optocouplers. The series offers various package options including through-hole DIP and different SMD configurations. The VOM618A-8T specifically addresses space-constrained designs requiring reliable transistor output isolation in a small form factor.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check datasheets for VOM618A-7T or VOM618A-X001T variants within the same family. Verify pin compatibility and electrical parameter overlaps before substitution.