VO617A-2X017T Isolators

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The VO617A-2X017T optoisolator is a family of transistor-photovoltaic-output devices that are designed to provide isolation between a low voltage input signal and higher voltage output. The optoisolator is composed of a photovoltaic cell, LED and optical coupling material. The LED is placed between the photovoltaic cell and the optical coupling material. The photovoltaic cell is where light from the LED is absorbed and generates a voltage to control the output transistor. The optical coupling material provides the connection between the LED and photovoltaic cell.

The VO617A-2X017T is an optoisolator with a low threshold current and high isolation voltage capability. It has a very fast response time, typically less than 1µS. Its maximum output current is 200mA. It is available in four different types that include NPN, PNP, transformer and SCR optoisolators. The NPN optoisolator has a noninverting LED and PNP optoisolator has an inverting LED.

The optoisolator is ideal for use in applications where noise immunity and reliability are important. It is often used in industrial automation, automotive electronics, medical equipment, and test and measurement applications. It can also be useful for controlling current and voltage in power supplies and can be used to protect circuits against high voltage transients. The optoisolator also helps to reduce EMI/RFI noise and provides high reliability with its high isolation voltage and low leakage current features.

The main advantage of using the VO617A-2X017T is that it limits the amount of current flowing from the output to the input, thereby minimizing data errors and noise due to crosstalk and electromagnetic interference. This allows for high reliability and accurate data transmission. The optoisolator also provides cost savings and lower power consumption due to its high isolation voltage. Additionally, it requires no external components and allows for increased design flexibility.

The working principle of the VO617A-2X017T is based on semiconductor optoelectronics. The photovoltaic cell absorbs the light generated by the LED and generates a voltage potential which is used to control the output transistor. When current flows from the LED to the photovoltaic cell, it excites electrons in the material, which creates a voltage at the output. This voltage is then used to control the output transistor, which then results in switching on and off the output.

The VO617A-2X017T optoisolator is a reliable device that provides high isolation voltage capability and fast response time. It is an ideal solution for applications where noise immunity is important and data accuracy and reliability are required. The optoisolator also provides cost savings, lower power consumption, and design flexibility. It is a highly useful tool that can be used to protect circuits against high voltage transients and to control currents and voltages in power supplies.

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