JAN4N24

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Optoisolators are electronic components used to transfer electrical signals between two circuit paths while providing electrical protection to sensitive systems in the process. This is achieved by transmitting a light signal across an insulated barrier to transmit the signal and maintain electrical isolation between the circuits. The JAN4N24 optoisolator is a type of transistor-photovoltaic output optoisolator well-suited for applications in industry and consumer products.

The JAN4N24 optoisolator consists of an infrared LED optically coupled to a photovoltaic cell, each of which is connected to an output transistor. The LED is the input portion of the optoisolator, and it typically has a current range of 3.5mA to 8mA at 2.2V. The photovoltaic cell is responsible for converting the optical signal from the LED into a usable electric signal and typically produces an output current of 10mA @ 10V or 35mA @ 8V.

When an input voltage is applied to the LED, the photovoltaic cell connects with the output transistor allowing current to flow from the input to the output of the device. This allows the optoisolator to act as a communication link between two circuits which may be electrically separated, thus providing the necessary electrical isolation. The output transistor is also able to control the current flow at the output of the optoisolator, enabling the device to operate as a switch. A resistive load can be connected to the device to define the switching thresholds, further allowing for the device’s versatility in industrial and consumer applications.

The JAN4N24 optoisolator’s typical applications include use in industrial process control, automotive systems, signaling circuits, and logic control circuits. The JAN4N24 offers several advantages compared to other optoisolator types, including lower power consumption, higher switching speed, and the ability to operate reliably in temperatures up to 140°C. Additionally, the JAN4N24’s output transistor is capable of sourcing up to 250mA output, making it an ideal choice for high current applications.

The JAN4N24 optoisolator offers users a versatile and robust component for applications that require electrical isolation and high current switching. Its capability to control current at the output makes it especially well suited for process control circuits or automotive systems where speed and accuracy are essential. As such, the JAN4N24 optoisolator is a versatile and reliable solution for applications requiring electrical isolation in industrial, automotive, and even consumer applications.

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