LTV-817S-C

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Optoisolators are electrical components used to isolate two circuits from each other, typically used for safety reasons and signal transmission. The LTV-817S-C is one type of opto-isolator, belonging to the classification of transistor, photovoltaic output. This article will discuss the application field and working principle of LTV-817S-C.

Application Field

The LTV-817S-C is used in applications with a wide range of optical isolation requirements. These applications include switching or reversing power supply polarity, driving motors, switching various loads, controlling current in relay coils, and providing surge protection for sensitive electronics such as microcontroller-based systems.

Because the LTV-817S-C has a low collector/emitter breakdown voltage of less than 30 volts, it can safely handle a wide range of AC/DC voltage, making it an excellent choice for applications exposed to high-voltage levels. It is also quite reliable in hostile environments due to its heat-dissipating characteristics and ability to self-protect. Along with the fact that it responds quickly to optical stimuli, this makes it a great choice for demanding tasks that require electrical isolation.

Working Principle

The LTV-817S-C works on the principle of photoelectric conversion. It contains an infrared light-emitting diode (LED) and a transistor housed in a single package. The LED emits light towards the transistor, and when the light strikes the transistor’s photosensitive base, it triggers an internal current flow that turns the transistor on. This current creates a voltage between the collector and emitter terminals of the transistor, which can then be used to switch on or switch off circuits.

The LTV-817S-C has a fast response time compared to alternatives, making it a great choice for applications that require an instantaneous response. The transistor also features an impressive collector/emitter break voltage of less than 30 volts, allowing it to safely handle higher AC/DC voltages. It is also able to self-protect itself from reverse polarity and short circuit damage.

The LTV-817S-C is a useful and versatile optocoupler, ideal for many applications that require optical isolation. It can safely switch on or off different circuits, reverse power supply polarity, drive motors, or provide surge protection. With its fast response time and electric isolation capability, it is a valuable choice for many projects.

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