ISP817X-1G

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817X-1G is a single-channel phototransistor optocoupler manufactured by Isocom Components. It features an infrared emitting diode coupled to an NPN phototransistor within a DIP-4 package. The device provides electrical isolation with a maximum rated voltage of 5300 Vrms. Key electrical parameters include a typical rise time of 4µs and a fall time of 3µs. The unit supports a maximum forward current of 50 mA and operates within a temperature range of -55°C to +125°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-density mounting configuration for space-constrained PCB layouts
• Optical coupling between input LED and output transistor for signal transmission
• Robust insulation barrier ensuring high-voltage safety compliance

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Power supply feedback loops for voltage regulation
• Microcontroller interface circuits requiring galvanic separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '1G' against the manufacturer's official datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering code matches the exact package style required for your assembly process. Cross-reference the part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a standard phototransistor output is sufficient for switching applications. Consider the CTR specifications and saturation voltage requirements of the load circuit. Verify that the DIP-4 footprint aligns with existing board designs or select surface-mount variants like the ISP817DXSM if automated placement is necessary.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP817 series of high-density optically coupled isolators from Isocom Components. The series utilizes a compact plastic encapsulation designed to minimize board space while maintaining high isolation ratings. The X designation typically indicates a specific lead form or packaging variation within the broader product family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult the manufacturer's official cross-reference guide or equivalent datasheets for compatible alternatives such as the TLP521 or PC817 series, ensuring pinout and electrical characteristics match.