ISP817GRSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817GRSM is a single-channel optoisolator from the ISP817 series, manufactured by Isocom Components. It features an infrared LED coupled with an NPN silicon phototransistor for signal transmission. The device provides a high isolation voltage of 5300Vrms and operates within a temperature range of -30°C to 100°C. Key electrical parameters include a maximum forward voltage of 1.4V, a typical rise time of 4µs, and a typical fall time of 3µs. The current transfer ratio ranges from a minimum of 100% to a maximum of 600%. It is housed in a compact 4-SMD surface-mount package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-voltage electrical isolation capability for safe signal transmission between circuits
• Compact surface-mount design suitable for high-density PCB layouts
• Fast switching performance with low propagation delay times
• Wide operating temperature range for reliable industrial application

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal isolation in microcontroller interfaces
• Power supply feedback loops
• Communication line isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'GRSM' confirms the 10mm lead spacing and surface mount configuration as per manufacturer ordering information. Ensure compatibility with standard SMD reflow processes. Cross-reference datasheet specifications for current transfer ratio and isolation voltage ratings against system requirements before finalizing procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and compact footprint are required. The NPN phototransistor output suits digital switching applications. Consider the 10mm lead spacing if board layout constraints demand wider pin pitch. Verify that the current transfer ratio meets the drive requirements of the downstream circuitry under expected load conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP817 family, which includes variants like ISP817BLSM and ISP817XSM. The 'G' suffix indicates 10mm lead spacing, while 'SM' denotes surface mount packaging. These devices are designed for general-purpose isolation tasks, offering a balance of performance and size compared to through-hole alternatives.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include other 4-pin surface-mount optocouplers with similar isolation ratings and NPN outputs. Verify pinout compatibility and electrical characteristics such as CTR and isolation voltage before substitution.