EL815(S)(TA)

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Optoisolators, also known as optocouplers, are essentially semiconductor optical isolators that provide electrical isolation between an input signal and an output signal. They work by using a light-emitting diode (LED) to transmit an input signal across an isolating barrier, usually air or a vacuum, and then a photodetector to detect the transmitted light. They have become an integral part of many modern electronic circuits and play a vital role in ensuring electrical isolation between a high voltage or high power circuit and a low voltage or low power circuit. The EL815(S)(TA) optoisolator belongs to the family of Optoisolators - Transistor, Photovoltaic Output, which is commonly used with a variety of electronic devices such as sensors, relays, power tools, communication devices, and more.

The EL815(S)(TA) is a 4-pin device that includes two pins for power supply, one for the photovoltaic input signal, and one for the output transistor. It has a low operating voltage of 3V and a wide operating temperature range of -40″C to +85″C. The optoisolator is composed of an infrared emission diode that is paired with a photodiode or phototransistor which is encased in a 4-pin housing. An infrared LED emits light when operated which is then received by a photodiode and converted into an electrical current. This current is then amplified by a transistor and used to power the output device.

The EL815(S)(TA) optoisolator is typically used for a variety of applications such as level shifter circuits, voltage regulator circuits, Motor speed control, battery charge cut-off protection, relay driver circuits, sensing and control applications, switch control cable joiners, and power circuits. It is also used for optical isolation in industrial equipment or any application that requires electrical isolation between different circuits.

The EL815(S)(TA) optoisolator features a high speed response with a turn-on time of 15ns and a turn-off time of 30ns. It also offers a high isolation voltage of 4.17kV, low capacitance, and high current transfer ratio (CTR) up to 300%. It has a low power consumption of 5mA maximum and offers an output voltage of up to 12V.

In summary, the EL815(S)(TA) optoisolator is a versatile device that can be used for applications requiring electrical isolation. It offers reliable performance and is suitable for a wide variety of industrial and consumer applications. It is easy to install, requires low power consumption and offers a high level of electrical insulation.

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