PS1105WA-23-TR

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Optical Sensors - Phototransistors are used to detect infrared radiation and can be used in a wide variety of applications. The PS1105WA-23-TR is an example of such a device. It is designed specifically for applications such as human presence detection, security systems and smoke alarms. This article will discuss the application field and the working principle of the PS1105WA-23-TR.

The PS1105WA-23-TR is a single-channel Phototransistor, designed for applications such as human presence, security, and smoke detection. It consists of an active region, which is an artificially made conductive material. This material is sensitive to infrared radiation, meaning that it is able to detect infrared radiation from human bodies. When the infrared radiation is detected, an electrical signal is produced. This signal can be used to trigger an alarm, or to control security systems.

The construction of the PS1105WA-23-TR is compact and efficient. It features an active region consisting of a photodiode and two NPN general-purpose transistors. The photodiode detects the infrared radiation and generates an electrical signal. This signal is then amplified by the transistors, resulting in a strong and reliable output signal. The device also features an integrated temperature sensor, which helps to regulate the working parameters.

The working principle of the PS1105WA-23-TR is quite simple. When an infrared signal is detected, it is amplified by the transistors. This causes a voltage drop across the active region, resulting in an electrical output signal. This output signal can then be used to trigger an alarm or to control a security system. Additionally, the device is equipped with a temperature sensor, which helps to compensate for environmental factors such as temperature variation.

The PS1105WA-23-TR is an ideal device for applications such as human presence, security systems, and smoke alarms. It offers a reliable and efficient solution for these applications, thanks to its compact construction and effective working principle. Its integrated temperature sensor also makes it suitable for use in harsh environments. With its wide range of applications, the PS1105WA-23-TR is an excellent choice for any optical sensor application.

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