K817P3

Transistor, Photovoltaic Output Optoisolators Overview

The K817P3 is a single-channel optocoupler manufactured by Vishay Semiconductor Opto Division, featuring a phototransistor output. It provides electrical isolation with a maximum collector-emitter saturation voltage of 300 mV and a reverse voltage rating of 6 V. The device supports a maximum collector current of 50 mA and dissipates up to 200 mW of power. It offers high common-mode transient immunity and is designed for standard application environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Phototransistor output configuration for signal transmission
• High common-mode transient immunity capability
• Standard application design for general isolation needs

Transistor, Photovoltaic Output Optoisolators Applications

• General purpose signal isolation
• Digital circuit interfacing
• Microprocessor system isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix P3 against official Vishay documentation to confirm package type and tape-and-reel specifications. Ensure the component matches the required isolation voltage ratings for the target circuit. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and availability status before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel phototransistor output is required for standard isolation applications. Consider the 50 mA collector current limit and 300 mV saturation voltage for load compatibility. Evaluate the need for high common-mode transient immunity in noisy environments compared to other Vishay series options.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the K817 series of optocouplers from Vishay Semiconductor Opto Division. The series includes variants such as K814, K817P4, and K817P5, which share similar structural designs but may differ in packaging or specific electrical characteristics. The K817P3 utilizes a DIP package suitable for through-hole mounting.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes within the same family include K817P4 and K817P5. Verify that alternative part numbers match the required channel count and output type before substitution.