ISP817X-3SMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817X-3SMT&R is a surface-mount phototransistor optically coupled isolator manufactured by Isocom Components. It features a single channel with an NPN phototransistor output and operates with DC input current. The device provides high-density mounting in a compact DIP-style package. Key electrical parameters include a maximum forward voltage of 1.4V, a maximum input current of 50mA, and a minimum isolation voltage of 5300Vrms. The typical rise time is 4µs and the typical fall time is 3µs. The current transfer ratio ranges from 200% to 600%, ensuring reliable signal transmission across the isolation barrier.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using optical coupling technology.
• Features a high current transfer ratio for efficient signal transmission with low input drive requirements.
• Designed for high-density surface-mount assembly to optimize printed circuit board space.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Interface circuits in microprocessor-based systems
• Switching power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '3SMT&R' against official Isocom documentation to confirm lead frame finish and reel packaging specifications. Ensure the component meets required UL or VDE recognition standards for your target application. Cross-reference the manufacturer part number with authorized distributors to confirm availability and authenticity before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density surface-mount isolation is required for single-channel applications. The specified current transfer ratio range suits circuits needing moderate gain. Verify that the 5300Vrms isolation rating meets the safety requirements of the system. Consider thermal management and PCB layout constraints associated with surface-mount packages during design integration.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the ISP817 series of high-density mounting phototransistor optically coupled isolators. The series is designed to replace standard industry components while offering specific parameter selections. Isocom manufactures these devices to meet global industry standards, providing various lead forms and packaging options for diverse electronic applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include the TLP521 series and IS121 family members. Verify pinout compatibility and electrical characteristics such as current transfer ratio and isolation voltage before substitution. Ensure the replacement component supports the same surface-mount package type and operating temperature range.