CNY17-4S1(TB)

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators, also known as optocouplers, photocouplers, optical couplers, photocouplers, and optoswitches, are devices that use an optical interface to transfer electrical signals between components in an electronic circuit. An optoisolator consists of a light source (such as an LED), a photosensitive element (such as a photodiode, phototransistor, or photoresistive element), and usually some form of galvanic isolation. They are widely used in embedded systems, industrial automation, automotive, and instrumentation applications.

The CNY17-4S1(TB) optoisolator utilizes a transistor photovoltaic output to electrically isolate two circuits from each other while allowing the transfer of modulated or pulsed signals in one direction only. It is a cost-effective method of isolating signals in a variety of electrically hostile environments.

The optoisolator consists of a combined LED and photodetector, housed in a single package, forming a complete optical channel. It can be used in conjunction with external electronic components, including a half-bridge rectifier, to provide power isolation, as well as signal level isolation, between the two circuits.

The optoisolator\'s working principle involves converting the input signal from the source circuit into light, which is transmitted between the LED and the photodetector. When light falls on the photodetector, it absorbs it and is converted into a current, which is then output to the load circuit. The optoisolator performs the task of optically isolating the two circuits, thereby eliminating ground differences or voltage transients, and ensuring adequate noise immunity for the electrical system.

The CNY17-4S1(TB) optoisolator is widely used for the isolation of unregulated voltage sources in highly noisy environments, such as automotive, communications, and industrial applications. Its electrical isolation range is up to 5.5kVrms, making it suitable for a variety of applications. It is RoHS compliant and UL recognized, making it an ideal solution for safety-critical systems.

This optoisolator is ideal for warning and status display purposes, process control, power monitoring, and control systems. Its iBurn system monitor is designed for monitoring the overall power status of any number of systems. It provides direct feedback on the status of each system and can be used to activate alarm systems, disable high-risk operations, or even shut down the entire system. It also features optical isolation of up to 5.3kV, which provides protection against grounding circuit errors and damage from voltage transients.

The CNY17-4S1(TB) optoisolator is a cost-effective solution for providing an isolated signal interface in hostile environments. Its high electrical isolation range and low input transients make it an ideal choice for a variety of isolation applications. The iburn system monitor provides direct feedback on the status of each system, protecting it from unwanted errors and voltage transients.

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