ISP817-3G

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817-3G is a single-channel phototransistor optocoupler from Isocom Components. It integrates an infrared LED and NPN silicon phototransistor in a DIP-4 package. Key electrical parameters include a collector-emitter voltage of 70V, isolation voltage of 5.3kVrms, and current transfer ratio ranging from 20% to 300%. Operating temperatures span -30°C to 100°C with typical rise/fall times of 4μs/3μs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-density mounting design for space-constrained applications
• Galvanic isolation between input and output circuits
• Robust insulation voltage rating for safety compliance

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation
• Solid-state relay drivers
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '3G' against official Isocom documentation to confirm pinout and mechanical dimensions. Ensure the component meets required isolation standards for your target market. Cross-reference datasheet revisions to confirm parameter consistency before finalizing procurement specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high density and standard transistor output are required. Compare CTR ranges and isolation voltages against alternative models like ISP817X variants. Verify package compatibility with existing PCB layouts and thermal management requirements for the intended operating environment.

Transistor, Photovoltaic Output Optoisolators Part Context

Part of the ISP series of optically coupled isolators. The series typically includes variants such as ISP817, ISP827, and ISP847. These devices share common architectural features but may differ in packaging or specific electrical characteristics. The ISP817-3G represents a specific configuration within this family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Official substitutes include other ISP817 variants such as ISP817X. Verify pinout compatibility and electrical parameter equivalence before substitution. Consult manufacturer cross-reference guides for confirmed interchangeable part numbers.