PC81718NSZ0F

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Optoisolators—Transistor, Photovoltaic Output, the PC81718NSZ0F are an optocoupler consisting of a Gallium Arsenide infrared-emitting diode optically coupled to a silicon NPN transistor detector. They are also referred to as opto-isolators or photocouplers. The PC81718NSZ0F provides an electrical barrier between two circuits. The optocoupler features an LED emitting a beam of light on one side and a photo transistor on the other side, creating an isolation greater than 5000V rms.

Application Field

The most typical application field for PC81718NSZ0F optoisolators is for use in analog and digital input/output circuits, especially for circuits located in harsher environmental conditions. PC81718NSZ0F optocouplers can safely integrate two circuits working at different potentials and can cope with more hazardous conditions like voltage surges, spikes and interference. They\'re often used to connect logic level circuits, communications, and other control systems that need to be able to operate at different voltages. This optocoupler is also commonly used in low voltage monitoring, embedded systems, residential and commercial lighting control, motor controls, industrial instruments, and medical systems.

Working Principle

The PC81718NSZ0F optocoupler consists of an LED mounted side by side and a phototransistor detector. When an electric current is applied to the LED, the LED emits light according to the wattage setting on the device\'s schematic. The photo transistor detector side consists of a substrate where a base, emitter and collector is formed to allow current flow. When the LED emits light, the photo transistor is activated and generates a current flow through the collector and emitter. The output of the optocoupler is determined by the current generated by the photo transistor.

The PC81718NSZ0F optocoupler is typically used in applications with a maximum voltage of 100V and a current of 300mA. The device can also be used in a DC-DC converter step up/step down, allowing for an improved circuit isolation design. Additionally, the device has a wide range of temperature ratings that can be adjusted according to application needs, with a storage range between -40 to +80°C.

PC81718NSZ0F optocouplers are extremely versatile, reliable and easy to use. The optocoupler offers an isolation voltages up to 5000V rms, and is often used in telecommunications and industrial automation systems. The optocoupler provides an effective high-impedance barrier between the input and output circuits, keeping them isolated and preventing undesirable coupling between them.

Conclusion

PC81718NSZ0F optocouplers are a versatile and reliable solution that offer a high isolation voltage up to 5000V rms. The optocoupler provides a barrier between two circuits by isolating them with a led light and photo transistor detector, giving you reliable protection against voltage spikes, interference and other hazardous environmental conditions. It is perfect for embedding in control systems, analog and digital input/output circuits, low voltage monitoring, and many other applications.

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