MOC81043S

Transistor, Photovoltaic Output Optoisolators Overview

The MOC81043S is a single-channel transistor output optocoupler manufactured by onsemi. It features a 5300Vrms isolation voltage and operates within a temperature range of -55°C to 100°C. The device utilizes a DC input with a typical forward voltage of 1.15V and a maximum DC forward current of 100 mA. Output specifications include a maximum collector-emitter voltage of 30V, a saturation voltage of 400mV, and an output current capability of 50mA per channel. The current transfer ratio ranges from 160% to 256% at 10mA input. Switching characteristics include turn-on/turn-off times of 2µs/3µs and rise/fall times of 1µs/2µs. It is housed in a 6-SMD (鸥翼) package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using a phototransistor configuration.
• Offers fast switching performance suitable for digital signal transmission applications.
• Designed for surface-mount assembly to facilitate automated PCB manufacturing processes.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission across isolated ground planes
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors due to obsolete status. Confirm package variant matches design requirements as suffixes indicate specific reel or tape configurations. Check replacement availability since original manufacturing has ceased. Ensure compliance with RoHS and REACH regulations if required by project specifications. Validate datasheet revisions before final integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and compact surface-mount packaging are required. Consider the CNY17F4 series as a direct functional equivalent if MOC81043S supply is constrained. Evaluate thermal management needs given the operating temperature range. Verify that the 30V output voltage rating meets circuit load requirements. Assess switching speed compatibility with system timing constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

The MOC81043S belongs to the MOC810 family of optocouplers, which are designed for general-purpose isolation applications. This family typically includes various pinout and package options to accommodate different board layout requirements. The component represents a standard solution for isolating low-voltage logic circuits from higher-voltage loads or noisy environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

CNY17F4SM is listed as a similar substitute part number available from onsemi.