ISP845SM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP845SM is a surface-mount photodarlington optically coupled isolator from the ISP series. It integrates an infrared LED with NPN silicon photodarlington outputs in a compact package. Key electrical parameters include a minimum current transfer ratio of 600%, isolation voltage of 5.3kVrms, and maximum input current of 50mA. Operating temperature ranges from -40°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High density mounting design for space-efficient applications
• Photodarlington output configuration for high gain
• High isolation voltage capability

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals
• Industrial systems controllers
• Measuring instruments
• Signal transmission between systems of different potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify specific suffix requirements against official Isocom documentation to ensure correct packaging and lead time specifications. Confirm that the SM variant matches the required surface mount footprint and thermal characteristics for the target PCB layout before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current transfer ratio and galvanic isolation are required in a surface mount form factor. The photodarlington output provides significant amplification suitable for driving loads directly. Ensure the application voltage does not exceed the specified isolation ratings.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP815/ISP825/ISP845 family of high-density mounting photodarlington optically coupled isolators. These devices are designed to replace standard DIP packages with surface mount equivalents while maintaining similar electrical performance characteristics for industrial and commercial isolation needs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct pin-compatible replacements may exist within the same manufacturer's lineup or other brands offering equivalent photodarlington optocouplers. Verify that substitute parts meet the 600% minimum CTR and 5.3kVrms isolation voltage requirements.