PS8302L-AX

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Optoisolators are electrical components that use a light source - typically an LED - to provide electrical insulation between the input (signal) side and the output (load) side of a circuit. Specifically, opto-isolators in the Transistor, Photovoltaic Output category, such as the PS8302L-AX, are designed to provide a 5V or 6V Opto-Coupler Output depending on the input signal. The PS8302L-AX devices provide a high degree of electrical isolation for a variety of loads, including microprocessors, logic inputs, and the like. In this article, we will discuss the application fields and working principle of the PS8302L-AX.

The PS8302L-AX is a Transistor Photovoltaic Output Optocoupler, which is designed to provide a high level of insulation for a variety of loads. It is capable of controlling low-voltage logic signals, with built-in hysteresis, meaning that it is capable of switching the output to either the high or low state depending on the polarity of the input signal. This makes the PS8302L-AX ideal for applications where noise is an issue, as the hysteresis helps reduce false triggering caused by electromagnetic interference.

The PS8302L-AX is designed to have a wide range of applications in industrial and commercial automation systems. Its most common applications are in motor control systems, logic circuits, voltage dividers, and battery chargers. In these applications, the PS8302L-AX provides isolation between the input and output signals, thereby helping to prevent ground loops and other types of disturbances from negatively affecting system performance. Additionally, the PS8302L-AX\'s high overload current capability helps protect the load from rapid current surges.

The PS8302L-AX is a two-piece device, consisting of an LED emitter and a photovoltaic detector. The LED is operated by an input voltage of up to 20V DC to create an optical signal which is modulated by the input voltage signal. This signal is then detected by the photovoltaic detector and used to turn on the output transistor, which then switches the output to either the high or low state. The output transistor has a maximum collector-emitter saturation voltage of -1V when the input signal is high, and a maximum of +1V when the input signal is low. The output transistor is capable of handling a maximum of 200 mA of load current, and the device is rated for a maximum working voltage of 16V.

The PS8302L-AX is a reliable device that offers many advantages over conventional opto-isolators. Its built-in hysteresis helps reduce false triggering caused by electromagnetic interference, while its overload current protection helps to protect the load from sudden current surges. In addition, the PS8302L-AX\'s small size makes it well suited for automated systems which require a low degree of electrical isolation between the input and output stages.

In conclusion, the PS8302L-AX is a reliable and compact transistor photovoltaic output opto-coupler that offers a wide range of application fields in industrial and commercial automation systems. With its built-in hysteresis, overload current protection, and small size, the PS8302L-AX is an ideal choice for applications that require a high degree of electrical insulation between input and output signals.

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