PC364N

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PC364N is an optoisolator device with a transistor photovoltaic output. It is a component used to provide electrical isolation between two circuits, usually one of them being high voltage. The PC364N consists of an infrared source, an optically coupled light detector and a transistor output stage.

The main feature of the PC364N optoisolator is its high voltage isolation of up to 1750Vrms and its industry-wide compatibility with a variety of integrated circuits, transistors and relays. This makes it ideal for use in a variety of applications, such as line reclosers, remote monitoring and control systems, motor relays, voltage and current monitors, power switching and protection, HVAC systems, gas ignition systems, sprinkler systems, temperature controllers, network static converters, etc.

The PC364N optoisolator is housed in a 4-pin DIP plastic package and has a wide range of operating temperature from -40°C to +125°C. It has an integral bushing that can be used for panel mounting.

The operational mechanism of a PC364N optoisolator is based on the principle of light emission and detection. The underlying principle is that of photoconductivity, where the light falling on the photo detector produces an electric current. The photodetector used in a PC364N optoisolator device is an infrared LED coupled to a photodiode, also known as an optocoupler. The PC364N has an output range of 0.4 to 17mA.

When the input side of the PC364N is energized, its infrared LED emits light, which is detected by the photodiode housed on the other side. The photo diode then acts as a photosensor and produces a current in the base of a transistor. This in turn generates a larger output current in the collector-emitter circuit. The transistor output is capable of directly driving a relay, DC motor, LED display, or any low-level DC load.

The PC364N optoisolator is non-polarized, meaning that it is not necessary to connect the input wiring in a specific manner and there is no need to identify the load type. This adds to the versatility of the device, as it is able to switch either AC or DC loads without any modifications. The output of the PC364N is also protected from short-circuit and overload conditions, thus making it a reliable and robust component.

In conclusion, the PC364N optoisolator is one of the most widely used optoisolator devices due to its compatibility with a wide range of related devices and its high voltage isolation. Its versatile operational properties make it suitable for a variety of applications in industrial and consumer electronics. Furthermore, its non-polarity and overload protection make it a safe and reliable choice for circuit protection.

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