ISP817

Transistor, Photovoltaic Output Optoisolators Overview

The Isocom Components ISP817 is a high-density mounting phototransistor optically coupled isolator designed for signal isolation applications. It features a single channel with an NPN phototransistor output and supports both surface mount and through-hole DIP configurations. The device provides robust electrical isolation with a rated voltage of 5300 Vrms, ensuring safety in high-voltage environments. Key performance metrics include a maximum forward current of 50 mA, a typical rise time of 4 µs, and a typical fall time of 3 µs. The component operates within a wide temperature range, supporting industrial and commercial control systems requiring reliable optical coupling.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-density mounting design facilitates compact circuit board layouts
• Provides strong electrical isolation between input and output circuits
• Utilizes NPN phototransistor output for efficient signal switching

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems
• Power supply protection circuits
• Signal isolation in communication equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific package variant (SMD-4 or PDIP) required for your assembly process before ordering. Confirm that the 5300 Vrms isolation rating meets your system's safety standards. Ensure the 50 mA maximum forward current capability aligns with your drive circuit design. Check for any specific certification requirements such as UL compliance if applicable to your end product.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select the ISP817 when high-density packaging is critical for space-constrained designs. Consider this component for applications requiring fast switching speeds indicated by the 4 µs rise time. Choose the appropriate pin configuration based on whether surface mount or through-hole technology is preferred. Evaluate the 5300 Vrms isolation level against other available optocouplers to ensure adequate safety margins for your specific voltage levels.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISP817 belongs to Isocom's family of high-density phototransistor optocouplers. It serves as a modern alternative to legacy components, offering improved mounting density without sacrificing isolation performance. This series is engineered for reliability in demanding electronic environments, maintaining consistent performance across various operating conditions.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The TLP521GB is listed as a similar part with comparable high-density mounting characteristics. Verify pinout compatibility and electrical parameters before substituting.