MOC8107

Transistor, Photovoltaic Output Optoisolators Overview

The MOC8107 is a single-channel transistor output optocoupler featuring an NPN phototransistor without a base connection. It provides galvanic isolation with a rated insulation voltage of 5300 Vrms. The device supports a maximum collector-emitter voltage of 70 V and a continuous collector current of 50 mA. Key electrical parameters include a forward current of 100 mA, a forward voltage of 1.65 V, and a power dissipation of 250 mW. The unit operates within a temperature range of -55°C to +100°C and offers a typical current transfer ratio of 300%.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Galvanic isolation between low-voltage control circuits and high-voltage switching applications
• No chip-to-pin 6 base connection for minimum noise susceptibility
• Very low coupled capacitance characteristics
• High collector-emitter breakdown voltage capability

Transistor, Photovoltaic Output Optoisolators Applications

• Power supply regulators
• Digital logic inputs
• Microprocessor inputs
• Appliance sensor systems
• Industrial controls

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors due to the presence of multiple historical manufacturers including Fairchild Semiconductor and onsemi. Confirm package suffixes and manufacturing origin as these may vary across production lots. Check for RoHS compliance status specific to the procurement batch. Ensure the part number matches the exact specification required for the circuit design, particularly regarding the absence of the base lead.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and low noise susceptibility are critical requirements. The absence of a base connection simplifies circuit design by reducing external component count and minimizing parasitic coupling. Consider the 70V collector-emitter rating for medium-voltage switching interfaces. Evaluate the thermal performance within the specified operating temperature range to ensure reliability in industrial or appliance environments.

Transistor, Photovoltaic Output Optoisolators Part Context

The MOC8107 belongs to the MOC810X family of phototransistor optocouplers, which also includes variants like MOC8106 and MOC8108. These devices share similar structural features, such as the Gallium Arsenide IRED coupled with an NPN phototransistor in a dual-in-line package. The family is designed for applications requiring robust isolation and consistent current transfer ratios.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

MOC81073S is a surface-mount variant within the same family offering identical electrical characteristics but in an SMD-DIP-6 package. CNY1713S is a related component from the same manufacturer series with comparable functionality. Verify pinout compatibility and package dimensions when substituting with these alternatives.