LTV-817D

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-817D is a single-channel transistor output optocoupler manufactured by Lite-On. It features an NPN phototransistor output with a minimum current transfer ratio of 300% and a maximum of 600%. The device provides high isolation capability with an insulation voltage of 5000 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 35V, a maximum collector current of 50mA, and a forward voltage of 1.4V at 20mA. The typical rise time is 18us.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using infrared LED and NPN phototransistor technology.
• Offers high common-mode transient immunity suitable for noisy industrial environments.
• Designed for reliable operation across a wide temperature range from -50°C to 110°C.

Transistor, Photovoltaic Output Optoisolators Applications

• Computer peripheral interface circuits
• Solid-state relay driver applications
• Industrial process control signal isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against the manufacturer datasheet to confirm package type and tape/reel specifications. Ensure the component meets RoHS compliance requirements if mandated by the project. Cross-reference the ordering number with official Lite-On documentation to avoid confusion with similar series variants such as the LTV-817S or LTV-817M.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a standard transistor output optocoupler is required for general-purpose isolation. Consider the 300% minimum CTR for logic interfacing applications. Evaluate the 5000 Vrms isolation rating against system safety standards. Compare switching speeds if high-frequency performance is critical, noting the 18us rise time specification.

Transistor, Photovoltaic Output Optoisolators Part Context

The LTV-817D belongs to the LTV-817 series of optocouplers, which are widely used in various electronic systems. This series includes multiple variants differing primarily in packaging and specific electrical characteristics. The D suffix typically denotes a specific package configuration within the broader product family offered by Lite-On.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The VO615A-9 is listed as a comparable alternative in public databases. Verify pinout compatibility and electrical parameter margins before substitution. Ensure the replacement part meets the same isolation voltage and current transfer ratio requirements.