PS2501L-1-F3-K-A

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Optoisolators, also known as optocouplers, are devices that electrically isolate two circuits, usually between a sender and a receiver. This is sometimes necessary to protect sensitive receiver circuits from high voltages and any destructive currents generated by the sender. A type of optoisolator, called a Transistor-Photovoltaic Output, is used widely in many applications.

The PS2501L-1-F3-K-A is an example of a Transistor-Photovoltaic Output optoisolator, typically used in a range of applications such as automotive, industrial, medical, consumer, and telecoms applications. This component provides up to 5000Vrms of electrical isolation, and is able to withstand a high surge current of up to 30A.

The PS2501L-1-F3-K-A optoisolator consists of a photovoltaic cell, a photocell, a Darlington transistor, a reverse-biased diode, and a zener diode. The working principle of this device is based on how light is transformed into electrical signals. Light is identified by the photovoltaic cell. When light falls on the photovoltaic cells, it produces a current in the photocell, which switches on the Darlington transistor. This in turn switches on the forward-biased diode, which then passes the output current to the load. The reverse-biased diode helps dissipate energy generated by the photovoltaic cells, while the zener diode acts as a voltage clamp, protecting the transistor and the load from over-voltages.

The PS2501L-1-F3-K-A has a wide operating temperature range of -40 to +105°C, and a peak HCNW455V normalised forward current of 200mA. The PS2501L-1-F3-K-A is a reliable, proven component that has been in use in a variety of applications since its introduction in 2010.

The Transistor-Photovoltaic Output optoisolator is an essential component in any system that requires isolation between two circuits. The PS2501L-1-F3-K-A optoisolator is a popular choice for applications, due to its excellent performance, wide temperature range, and high surge rating.

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