MOC81043SD

Transistor, Photovoltaic Output Optoisolators Overview

The MOC81043SD is a single-channel transistor output optocoupler manufactured by onsemi. It provides electrical isolation with a rated voltage of 5300Vrms. The device features an NPN phototransistor output capable of handling a maximum collector-emitter voltage of 30V and a continuous collector current of 50mA. Key electrical parameters include a typical forward voltage of 1.15V, a maximum DC forward current of 100mA, and a collector-emitter saturation voltage of 400mV. The unit operates within a temperature range of -55°C to 100°C and utilizes a 6-SMD鸥翼 package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes an NPN phototransistor for digital signal transmission
• Designed for surface-mount assembly in compact form factors

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation
• Microcontroller interface circuits
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component status as the MOC81043SD is listed as obsolete and no longer manufactured. Confirm availability through authorized distributors or secondary markets. Ensure substitute components meet original specifications for isolation voltage, pinout compatibility, and thermal performance before integration into new designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring robust galvanic isolation with standard transistor outputs. Consider the 5300Vrms isolation rating for safety-critical interfaces. Evaluate the 6-SMD package constraints against board space requirements. Verify that the 30V output voltage limit aligns with downstream logic levels.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the MOC810 series of optocouplers from onsemi. The series typically offers various output configurations and isolation ratings. The MOC81043SD specifically denotes the transistor output variant with the 6-SMD package configuration, distinguishing it from DIP or other output types within the same family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitutes include CNY17F4SR2VM and MOC8104SM. Verify pin compatibility and electrical parameters when transitioning to these alternatives.