PS2801C-1-A

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Optoisolators - Transistor, Photovoltaic Output

The PS2801C-1-A optically isolated photovoltaic output transistor is designed to provide a clean electrical connection between an input signal and an output load. It does so by using two sides – a signal side and an output logic side – that are completely isolated from one another in terms of electrical interaction, but can still be connected optically. This approach eliminates many of the noise and interference problems commonly experienced in direct current applications.

The product features a fast response time and low power consumption, making it ideal for systems where power efficiency and speed are of utmost importance. It is also designed to operate at a range of temperatures from –40°C to 85°C. It can be used in a variety of applications, including motor controls, security systems, and other high-performance applications.

The optoisolator is designed to provide a high-speed digital interface between an input signal and the output load. The signal side contains an infrared LED, a phototransistor, and a voltage regulator to ensure that the input signal is accurately converted from the input to the output. The output side contains a transistor to control the current flow from the input signal to the output load. The entire device is designed to provide complete electrical isolation, protecting both the input signal and the output load from noise or interference.

The working principle is quite simple: it uses an infrared beam (IR), emitted by the LED, to "trigger" the phototransistor. This causes a shift in the current flowing through the phototransistor, resulting in a voltage change across the device. This voltage change is used to control the output transistor, which in turn controls the current flow through the device. When the current reaches its preset level, the output transistor will switch off and the circuit will be completely isolated from its input.

The PS2801C-1-A optoisolator is used in a wide range of applications, such as motion detection, heat sensing, motor control, industrial control, and many other high-performance systems. It offers a thin package, low power consumption, and an impressive dynamic range – making it a popular choice of optoisolator for time-sensitive and energy-efficient applications.

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