MOC8111

Transistor, Photovoltaic Output Optoisolators Overview

The MOC8111 is a single-channel optocoupler featuring a gallium arsenide infrared emitting diode optically coupled to a silicon planar phototransistor detector. It provides electrical isolation with a rated voltage of 5300Vrms. The device offers a minimum current transfer ratio of 20% at a forward current of 10mA. Typical switching characteristics include an on-time of 3µs and an off-time of 4µs. It operates within a temperature range of -55°C to +100°C and is available in a 6-DIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a gallium arsenide infrared LED with a silicon planar phototransistor for signal transmission
• Provides high-voltage electrical isolation between input and output circuits
• Designed for general-purpose digital signal isolation applications

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation
• Interface between logic circuits and industrial control systems
• Signal transmission across isolated ground potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors, as the MOC8111 is listed as obsolete. Confirm that substitute components meet required isolation voltage and current transfer ratio specifications. Check datasheet revisions for any changes in mechanical dimensions or thermal characteristics before integration into new designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when standard transistor-output isolation is sufficient for the application. Consider the current transfer ratio limits and switching speeds against system requirements. Evaluate alternative packages if surface-mount solutions are preferred over through-hole DIP configurations.

Transistor, Photovoltaic Output Optoisolators Part Context

The MOC8111 belongs to Vishay's MOC81xx family of optocouplers. This series typically includes variants like the MOC8101 and MOC8112, sharing similar architectural principles but differing in specific electrical parameters or packaging options. These devices are designed for reliable isolation in various electronic systems.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitutes include the MOC8112. Verify compatibility regarding pinout configuration, isolation ratings, and current transfer ratios when replacing the obsolete MOC8111 with equivalent or superior components from the same or other manufacturers.