MOC8108XG

Transistor, Photovoltaic Output Optoisolators Overview

The MOC8108XG is a single-channel phototransistor optocoupler manufactured by Isocom Components. It integrates an infrared emitting diode and an NPN silicon phototransistor within a standard 6-pin dual in-line plastic package, featuring an unconnected base pin. The device provides a minimum isolation voltage of 5300 Vrms and operates across a temperature range of -55°C to 100°C. Key electrical parameters include a maximum forward voltage of 1.5 V, a maximum collector-emitter breakdown voltage of 70 V, and a typical rise/fall time of 2 μs. It supports a maximum input current of 60 mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits via optical coupling.
• Features an NPN silicon phototransistor output with an unconnected base pin for simplified circuit design.
• Complies with international safety standards including UL recognition and VDE approval.

Transistor, Photovoltaic Output Optoisolators Applications

• Power supply feedback loops
• Solid-state relay drivers
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XG' against official Isocom documentation to confirm lead frame configuration and compliance status. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee component authenticity and traceability. Cross-reference the datasheet revision date with production batches to maintain consistency in technical specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a robust, general-purpose optoisolator is required for applications demanding high isolation voltage and wide operating temperature ranges. The unconnected base pin simplifies layout compared to devices with accessible bases. Verify that the 60 mA maximum input current and 70 V collector-emitter voltage ratings align with the target circuit's signal levels and load requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

The MOC8108XG belongs to the MOC810x series of non-base lead optically coupled isolators. This family includes variants such as MOC8106 and MOC8107, which share similar structural characteristics but may differ in current transfer ratio specifications. These components are widely utilized in industrial and consumer electronics for signal transmission across isolated boundaries.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Equivalent parts include CNY174SD and MOC8106XG. Verify pinout compatibility and specific Current Transfer Ratio (CTR) limits before substitution, as variations exist between manufacturers like Fairchild Semiconductor and Isocom Components.