IS281-4

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Optoisolators are a type of isolation element used in many electronic and electrical applications to provide electrical insulation between two points in a circuit. The most common type is the transistor-photovoltaic (TPO) optoisolator, which is composed of a phototransistor in series with a light-emitting diode (LED) connected to an external source of power.T he purpose of this element is to allow circuitry to communicate directly with a microcontroller, sensor, or embedded processor, while ensuring that the two devices are completely isolated from one another and thus preventing any potential interference.

IS281-4 is a TPO optoisolator commonly used in automotive, industrial, and general-purpose applications. It features a reliable, low-profile plastic package offering superior thermal and electrical properties. It is capable of providing a maximum current of 2.5 amps at 125 degrees Celsius and a peak one-time surge of 5 amps. It is also RoHS compliant, making it ideal for applications that require high performance and environmental protection.

The working principle of the IS281-4 is simple. The LED is a diode that produces a frequency of light when a current flows through it. This light is then received by the phototransistor, which switches the circuit on if its current is within set parameters. The circuit is then energized and the output is available for further use. The light produced is very stable and the device has been calibrated to provide ultra-high accuracy, making it suitable for applications that require precision.

IS281-4 optoisolators are used in a variety of applications, from driving motors and pumps to controlling lighting and automation systems. In automotive applications, it can be used to control airbag deployment, throttle control, cruise control, anti-lock braking (ABS) systems, and more. In industrial applications, it is used to control conveyors, welding, drill press, and stamping machines. Its high accuracy and reliable performance make it ideal for use in high-performance systems and critical applications.

Overall, the IS281-4 TPO optoisolator is a reliable, accurate, and efficient isolation element that can be used in a variety of applications due to its low power consumption and high performance. Its RoHS compliance, high accuracy, and high-temperature ratings make it an ideal solution for many industrial and automotive applications.

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