K817P4

Transistor, Photovoltaic Output Optoisolators Overview

The K817P4 is a phototransistor output optoisolator manufactured by Vishay Semiconductor Opto Division. It provides electrical isolation with an isolation voltage of 5000 Vrms. The device features an NPN phototransistor output and accepts a forward current of up to 60 mA, with a forward voltage of 1.6 V. It operates within a temperature range of -40°C to 100°C. The component is housed in a 4-DIP package with a width of 0.300 inches (7.62 mm). It supports endstacking to 2.54 mm spacing.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage DC isolation between input and output circuits
• Features NPN phototransistor output for signal transmission
• Supports endstackable configuration for compact PCB layout

Transistor, Photovoltaic Output Optoisolators Applications

• Standard application optoisolation
• General purpose signal isolation
• Industrial control interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the manufacturer part number against official Vishay documentation to ensure authenticity. Confirm that the specific suffix 'P4' matches the required package and performance specifications. Check for RoHS compliance status as indicated in the datasheet, noting that some sources indicate no RoHS information is available. Ensure the supplier provides valid traceability documents.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when 5000 Vrms isolation is required for standard applications. Consider the 4-DIP through-hole package for manual assembly or prototyping. Verify that the NPN phototransistor output aligns with the receiving circuit requirements. Ensure the operating temperature range meets the environmental conditions of the target application.

Transistor, Photovoltaic Output Optoisolators Part Context

The K817P4 belongs to the K817 series of optoisolators from Vishay. This series includes variants such as K817P5 and K817P6, designed for standard application optoisolation needs. The K817P4 specifically utilizes a 4-DIP package and offers transistor output characteristics suitable for general-purpose isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official Vishay documentation for confirmed substitute part numbers. Cross-reference with other K817 series variants if pinout and isolation voltage compatibility are maintained. Verify functional equivalence before substitution.