ISP817-1SM

Transistor, Photovoltaic Output Optoisolators Overview

The Isocom Components ISP817-1SM is a single-channel phototransistor optocoupler designed for surface-mount applications. It features an NPN phototransistor output and operates with a DC input. The device provides high isolation capability of 5300 Vrms between the emitter and collector. 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 unit supports a maximum input current of 50 mA and offers a minimum current transfer ratio of 20% with a maximum of 600%. It is housed in a compact SMD-4 package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation via optical coupling between input and output circuits
• Features a fast switching response suitable for signal transmission
• Designed for surface-mount technology to facilitate automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply units for feedback loop isolation
• Communication equipment for noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official datasheets to confirm pinout compatibility and lead form variations. Ensure the selected variant matches the required current transfer ratio specifications for the target circuit design. Cross-reference manufacturer documentation to validate compliance with relevant safety standards such as UL or VDE approvals before integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact surface-mount solution is required for single-channel isolation. Consider the 5300 Vrms isolation rating for high-voltage separation needs. Evaluate the current transfer ratio range to ensure adequate signal gain for the application. Verify thermal dissipation requirements within the SMD-4 package constraints for reliable operation under load.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP817 series of high-density mounting phototransistor optically coupled isolators manufactured by Isocom Components. The series is engineered to replace common commercial optocouplers while offering specialized parameter selections. These devices are built to global industry standards and are available in various lead forms to meet diverse packaging requirements.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: None.