FOD817

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Optoisolators are electronic components that optically couple two electrical elements to manage the current flow between them. The FOD817 optoisolator is a device which uses a transistor with a photovoltaic output (TPV), providing isolation between two electric circuits. This optoisolator offers reliable galvanic protection of system components from electrical overvoltage that could cause damaging current surges.

The FOD817 TPV surpasses many of its contemporaries in terms of functionality and efficiency. Notably, this optoisolator is highly reliable at high-temperatures due to its excellent thermal performance. Its typically compact size also provides added versatility in cramped electrical system designs, meaning its applications are abundant.

The FOD817 TPV optoisolator provides both input-drive capability and output capability from an on-chip, operated through either an emitter-drain voltage or a base terminal, respectively. This makes it suitable for a variety of different electrical systems.

The input-drive capability works through a light-emitting diode (LED) that pumps electricity along the opto-isolated channel when given an appropriate base voltage. An infrared LED is commonly employed when designing an optoisolator circuit. This device then activates an N-channel MOSFET at the output, allowing for greater power handling and the ability to control current.

The photovoltaic output is generated through the procedure of collecting the light emitting from the LED and converging it onto a highly-sensitive photovoltaic cell. This photovoltaic cell then conducts electricity to the MOSFET, supplying the output sufficient voltage and current to activate it. In this way, the optoisolator successfully isolates the two main components in an electric circuit.

FOD817 TPV optoisolators are ideal for any circuit projects requiring high-reliability, high-temperature operation, compatible input/output drivers and a modular design, alongside simplicity and safety. This device works in a multitude of complex circuits and applications, such as safety circuits, data transmission, and even the control of mechanically-powered equipment. It’s also capable of protecting input/output lines and preventing overvoltage damage.

The FOD817 TPV optoisolator is the perfect choice for any engineer looking to integrate isolated circuits into their design. It offers many advantages over traditional optoisolators, while taking up minimal space thanks to its incredibly small form factor. In conclusion, the FOD817 TPV is an extremely efficient, reliable and safe optoisolator for the vast majority of electrical system applications.

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