PS2501L-4-A

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Optoisolators are used to provide electrical circuit isolation while allowing current to be passed between circuits. The PS2501L-4-A is a 4-channel transistor-output, photovoltaic-output optoisolator consisting of a light-sensitive input section and a drive transistor output section. This type of optoisolator is typically used in consumer electronics, automotive, industrial, and medical applications, and is used as a means of electrical isolation between two circuits.

The PS2501L-4-A contains four optically isolated inputs channels, with each input channel being optically coupled to one phototransistor output. Each of the four channels has a built-in LED that allows the optoisolator to be driven directly from a logic input. The LED has an optical output of 250 mW at 30 mA. The optoisolator also has a current transfer ratio of 250/500% and a collector-emitter breakdown voltage of 120V.

The PS2501L-4-A is designed specifically for applications where power dissipation is of primary concern. The optoisolator provides protection against over-current conditions, over-voltage conditions, and over-temperature conditions. The optoisolator also offers high electrical isolation between input and output circuits, is highly reliable, and has a low power consumption.

The optoisolator is ideal for providing electrical isolation between circuits in a wide variety of applications. The optoisolator is often used in communications systems, data acquisition systems, power supply monitoring and control, process control systems, and security systems. In addition, the optoisolator can be used in motor control and other safety-critical applications.

The working principle of the PS2501L-4-A optoisolator is relatively simple. When light is shone on the LED, it causes electrons to be excited and release from the atoms of the active layer on the LED\'s semiconductor substrate. These electrons are then collected by the collector electrode, while the emitted light is directed towards the base electrode. This causes a current to flow from the collector to the emitter of the phototransistor, thereby providing electrical isolation between the input and output circuits.

The PS2501L-4-A optoisolator is a versatile, reliable, and cost-effective isolation product that is suitable for a wide range of applications. It is highly reliable, offers high electrical isolation, and low power consumption. The optoisolator is ideal for providing electrical isolation between circuits and can be used in a variety of industries, including communications, data acquisition, processing, and control systems.

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