ISP817GB

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817GB is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components. This single-channel device features an infrared LED input paired with an NPN phototransistor output, housed in a compact surface-mount package. It provides electrical isolation of 5300 Vrms between the input and output circuits. The component supports a maximum forward current of 50 mA and offers a typical current transfer ratio range suitable for general signal isolation applications.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Integrates an infrared LED emitter with an NPN phototransistor detector
• Designed for high-density surface-mount PCB assembly

Transistor, Photovoltaic Output Optoisolators Applications

• General purpose signal isolation in industrial control systems
• Interface circuits for microprocessors and logic gates
• Power supply feedback loops and monitoring

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific ISP817GB part number matches the required surface-mount package type and pin configuration before ordering. Confirm that the supplier provides official datasheets confirming the 5300 Vrms isolation rating and NPN output characteristics. Ensure compliance with relevant safety standards such as UL recognition or VDE approval if required by the end application.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact, surface-mount solution is needed for single-channel digital signal isolation. Consider the NPN phototransistor output structure for compatibility with standard logic interfaces. Evaluate the thermal performance and power dissipation limits to ensure reliable operation within the specified temperature range for the target environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the ISP817 series of high-density phototransistor optocouplers from Isocom Components. The series includes various variants differentiated by packaging styles, such as through-hole DIP and surface-mount options, and specific current transfer ratio grades. These components are designed to replace legacy discrete optocoupler designs while maintaining industry-standard pinouts and electrical specifications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.