PS8741-A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The PS8741-A is an optoisolator that provides electrical isolation between two circuits using a transistor and photovoltaic output. The optoisolator is an important integrational component in a number of applications, such as telecommunication, industrial automation, power supplies and medical equipment.

The PS8741-A optoisolator consists of an LED as the input side, and a phototransistor as the output. The LED side of the device is powered by an external control signal, and when the LED is illuminated by enough light intensity, the output transistor is activated. This creates a transistor connection that will allow the load and the input side of the optoisolator to be connected without any other external components.

The advantage of the PS8741-A optoisolator is its low cost, high speed response time and low input current. The phototransistor output of the device also allows for a much higher voltage rating than that of a conventional transistor output. Additionally, the PS8741-A optoisolator has a wide operating temperature range, from -25 to 105°C.

The PS8741-A is a great choice for use in industrial automation, telecommunication, medical applications, and power supplies. In industrial automation, it can be used in a variety of safety and switching applications, such as door interlock switches, emergency stop systems, and machinery control systems. In telecommunications, it can be used to protect sensitive equipment, such as modems and ISDN terminal equipment, from high voltage and RF interference. In power supply applications, the PS8741-A can be utilized as a voltage regulator, voltage sensor, and overvoltage protection. Finally, in medical applications, it can be used as an isolation solution for vital sign monitoring devices.

The working principle of the PS8741-A optoisolator is relatively straightforward. When the light from the LED side of the device reaches a certain intensity, the output phototransistor is activated, allowing a signal to be sent across the isolation barrier. The output transistor can then be used to turn on a load connected to the output side of the device. The process is repeatable, allowing the load to be turned on and off multiple times in a row, as needed.

In summary, the PS8741-A optoisolator is a great choice for a number of applications, such as industrial automation, telecommunication, medical, and power supply. It offers a low cost, high speed response time, and low input current, and its wide operating temperature range makes it suitable for a number of different applications. Additionally, its simple working principle makes it easy to use and understand.

The specific data is subject to PDF, and the above content is for reference