PC817X4

Transistor, Photovoltaic Output Optoisolators Overview

The PC817X4 is a high-density mounting type photocoupler manufactured by Sharp Microelectronics. It integrates an infrared emitting diode and a phototransistor within a single package to provide electrical isolation between input and output circuits. The device features a current transfer ratio ranging from 50% to 600%, ensuring reliable signal transmission across the isolation barrier. It supports a maximum collector-emitter voltage of 80V and a continuous forward current of 50mA. The unit offers an insulation voltage of 5000 Vrms, suitable for applications requiring robust galvanic isolation in compact designs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared LED and a phototransistor for efficient optical coupling
• Provides high isolation voltage capability between input and output circuits
• Designed for high-density mounting in compact electronic assemblies

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Power supply feedback loops
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix variant (e.g., NSZ9F, NIP0F) against the datasheet to ensure correct packaging and performance specifications. Confirm RoHS compliance status as it varies by production batch and region. Check lead times due to potential supply constraints common with this component family. Ensure the selected package type matches the PCB layout requirements before ordering.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select the PC817X4 when a standard transistor-output optocoupler with high isolation voltage is required. Consider the CTR range of 50-600% for circuit gain calculations. Verify that the operating temperature range of -30°C to +100°C meets environmental conditions. Compare rise and fall times if switching speed is critical for the application design.

Transistor, Photovoltaic Output Optoisolators Part Context

The PC817 series is a widely used line of general-purpose photocouplers known for their reliability and compact size. The X4 designation typically refers to the specific pinout or package configuration within this family. These components are commonly found in legacy and modern electronics alike, serving as cost-effective solutions for basic isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other PC817 variants such as PC817X1, PC817X2, or PC817X3, provided the package and pinout compatibility is verified. Alternative manufacturers offer similar transistor-output optocouplers, but electrical parameters like CTR and isolation voltage must be compared carefully.