PS2581AL1-A

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Optoisolators are used in a wide range of electronic applications to electrically isolate two circuits, while allowing them to exchange a signal. This is useful when working with high voltage or high-frequency signals, as it helps to prevent surges in excess of system requirements and reduces ground loops. One such optoisolator is the PS2581AL1-A, an optically-coupled transistor that is designed to provide low-voltage transistor output isolators for digital systems.

The PS2581AL1-A consists of an infrared emitting diode optically coupled to an integrated photo detector circuit. The photo detector circuit includes an integrated phototransistor and open collector output. The output signal is maintained with an open-collector output with a maximum voltage of 40 volts. Both the output of the optocoupler and the input signal of the photo detector circuit are isolated from each other. This isolation prevents any interference between the two signals and the circuit board.

The PS2581AL1-A can be used in a variety of applications, including digital interfaces, data communication isolators, motor and solenoid control systems, relay or optocoupler replacement, PLC input modules, and other AC or DC-coupled digital isolator systems. The optoisolator is also suitable for digital switching applications, and its low-voltage supply requirements make it well-suited for use in combination with modern logic integrated circuits.

The PS2581AL1-A’s working principle is fairly simple. The optoisolator consists of two components, a light emitting diode (LED) and a phototransistor. The LED emits light which is detected by the phototransistor, triggering a current flow in the transistor’s output. This current can then be used to control external devices or switch on and off certain circuits.

The optoisolator’s speed and response time are determined by the material chosen for the LED. For example, when using an LED with a higher switching speed, it is possible to achieve a much faster switching time, allowing for a more efficient operation of the optoisolator. The LEDs used in the PS2581AL1-A are designed to provide high-grade electrical isolation and are capable of handling a temperature range of -40°C to +85°C.

The PS2581AL1-A is designed with an internal clamp to help protect the LED from electrical overload and short circuit conditions. The device also utilizes an advanced fabrication process to create an extremely low profile height, allowing it to fit into tight spaces.

The PS2581AL1-A is a reliable, efficient optoisolator that offers superior performance in its ability to transfer signals between two isolated circuits. Its compact size and low-voltage requirements make it ideal for use in a wide range of applications. Furthermore, its advanced design and fabrication process help to ensure that it provides reliable, safe performance year after year.

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