PS2501-1-D-A

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Optoisolators -- Transistor, Photovoltaic Output -- are widely used to protect sensitive circuits from high voltage or electric shock and also to provide reliable galvanic isolation between the circuits. PS2501-1-D-A is a General Purpose, Photovoltaic Output Optoisolator, sometimes called an Optical Coupler, developed by Panasonic. It is a widely used device commonly used in industrial and appliance control systems.

The Optoisolator consists of an infraredLED optically coupled to a photovoltaic output transistor. The LED emits an infrared light into the base of the transistor, which creates a voltage that activates the transistor switching it from off to on. The InfraredLED normally operates at 5V and has a forward current rating of 10mA to 25mA. The photovoltaic output transistor has a maximum collector voltage of 200V and a maximum collector current of 300mA.

A PS2501-1-D-A Optoisolator can be used in a variety of applications including analog and digital industrial control and automation systems, as well as feedback circuits, relay switching, general purpose inverters and amplifiers. It is ideal for signal isolation, voltage level translation and current transmission applications. In addition, the optoisolator can be used to protect delicate electronic components from high voltages or electrical shock. In addition, the voltage and current feedback signals provided by the PS2501-1-D-A Optoisolator act as an important diagnostic tool for detecting and isolating faulty wiring or components.

The combination of the Infrared LED and the photovoltaic transistor results in an optoisolator that is incredibly reliable, with a leakage current rating of less than 1nA when the power is off, and a maximum insulation resistance of 1000M. The PT2501-1-D-A also features an insulation voltage rating of 2500V AC. This makes the optoisolator extremely suitable for use in medical and other safety critical applications.

Most PS2501-1-D-A Optoisolators are available with photocoupler case styles, including 4-pin DIP, through-hole and small surface-mount packages. This makes the optoisolator very versatile and easy to integrate into existing control systems.

In conclusion, the PS2501-1-D-A is a highly reliable optoisolator, with excellent isolation properties. It is ideal for industrial applications requiring signal isolation, voltage level translation and current transmission, as well as firewall protection in medical and safety critical systems. Its small size and various package styles make it ideal for integration into existing control systems.

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