EL817S(A)(TA)-V

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Optoisolators are devices that use an optocoupler to electrically isolate two electrical circuits separated by a physical gap from each other. The EL817S(A)(TA)-V optoisolator is a type of optoisolator with a transistor, photovoltaic output which uses a photoemitter and receiver connected together to form a low impedance, high isolation barrier. This optoisolator is designed for applications with a supply voltage ranging from 4.2 to 25 volts, a supply current between 4 and 30 mA, an output current between 0.2 to 20 mA, and an output voltage between 0-1.25V. It also has an insulation resistance of up to 1000 Megohms, and a maximum conducting efficiency of 93%.

The EL817S(A)(TA)-V optoisolator is designed to provide electrical isolation between two circuits without the need for additional components, and has a variety of applications. These devices are commonly used in industrial and commercial applications such as LED lighting control, data communication, temperature control systems, PC board printers, and even in automotive applications. This optoisolator also serves as a critical component in AC motor speed control applications and pulse motor control systems.

The working principle of the EL817S(A)(TA)-V optoisolator is based on an LED driving a photovoltaic detector in a nonlinear manner. The optoisolator uses a photoemitter and a photoresistor connected in series to form an active circuit which converts the input signal from the LED into a voltage that drives an output transistor. The output transistor then switches on or off depending on the voltage applied to the circuit. The optoisolator also includes a blanking voltage to ensure that the device is not falsely triggered if a short period light is present in the environment.

The EL817S(A)(TA)-V optoisolator is a reliable and cost effective alternative for providing electrical isolation between two circuits. These devices are ideal for a wide range of applications and offer a reliable and cost effective solution for isolating two circuits while providing a high level of isolation and low power consumption. With its excellent insulation resistance and high conducting efficiency, this optoisolator offers a reliable solution for protecting sensitive electronic components from electrostatic discharge.

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