ISP817-2G

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817-2G is a single-channel optoisolator from the ISP series, manufactured by Isocom Components. It features an infrared LED input and an NPN silicon phototransistor output housed in a 4-pin DIP package. Key electrical parameters include a minimum isolation voltage of 5300 Vrms, a maximum forward voltage of 1.4V, and a maximum input current of 50 mA. The device exhibits typical rise and fall times of 4μs and 3μs respectively, with a current transfer ratio ranging from 50% to 600%. It operates within a temperature range of -30°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-density mounting capability for space-constrained circuit designs
• Ensures electrical isolation between input and output circuits via optical transmission
• Utilizes an NPN silicon phototransistor for reliable DC output switching

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 '2G' against official manufacturer documentation to confirm compliance with RoHS directives and halogen-free status. Ensure the procurement source provides valid traceability records. Confirm that the component matches the specified 4-pin DIP physical dimensions and pinout configuration required by the target PCB layout.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is required for safety-critical applications. The NPN phototransistor output is suitable for standard logic interfacing. Consider the current transfer ratio variations when designing bias networks for consistent switching performance across different operating temperatures and input currents.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP series of high-density mounting phototransistor optically coupled isolators. Isocom Components specializes in infrared optoelectronic devices, leveraging decades of industry expertise to produce these components. The series is designed to offer robust signal transmission with compact form factors suitable for modern electronic assemblies.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other generic 4-pin DIP optocouplers with similar NPN outputs and isolation ratings, such as the PC817 or EL817, provided their electrical characteristics meet the design requirements. Verify pin compatibility and thermal limits before substitution.