ISP817DXSMT/R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817DXSMT/R is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components. It features a single channel with DC input and NPN phototransistor output in a surface-mount SMD-4 package. Key electrical parameters include a maximum forward voltage of 1.4V, a maximum input current of 50mA, and an isolation voltage of 5300 Vrms. The device exhibits a typical rise time of 4µs and a typical fall time of 3µs. Current transfer ratio specifications range from a minimum of 200% to a maximum of 600%. Operating temperatures span from -55°C to 125°C with a power dissipation of 70mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides optical isolation between input and output circuits using a phototransistor output stage.
• Designed for high-density mounting applications via compact surface-mount packaging.
• Capable of handling significant current transfer ratios suitable for logic interfacing.

Transistor, Photovoltaic Output Optoisolators Applications

• Logic-to-logic isolation in noisy environments
• Computer and peripheral device interfaces
• Line receivers

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure correct binning and performance characteristics. Confirm that the surface-mount variant matches the required PCB footprint and soldering profile. Cross-reference manufacturer documentation for any updates regarding RoHS compliance or material declarations prior to final procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density surface-mount assembly is required alongside robust optical isolation capabilities. The specified current transfer ratio range supports direct driving of subsequent logic stages without additional amplification in many configurations. Ensure thermal management aligns with the 70mW dissipation limit within the intended operating temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components specializes in manufacturing infrared optoelectronic devices, including optocouplers and photo-switches. The ISP817 series serves as a replacement for standard industry components, offering tailored parameter selections for specific circuit designs. The company maintains production facilities and engineering teams to support commercial and industrial applications globally.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers include TLP521GB and ISP621-1. Verify pinout compatibility and electrical parameter overlaps before implementing these alternatives in existing designs.