OP800A

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Optical sensors - phototransistors play a major role in electronic projects. The OP800A is an example of such a device, and this article intends to explain its application field and working principle.

The OP800A is a full featured NPN phototransistor with a built-in lens and a low cost package. It is also hermetically sealed for reliable operation in adverse environments, making it an ideal choice for use in hazardous applications. The OP800A features a wide operating temperature range of -30°C to 100°C, which makes it suitable for many outdoor applications. It also has a high sensitivity and fast response time which make it an ideal choice for high speed applications. The OP800A also features a wide viewing angle which allows it to detect light from a wide range of angles.

The OP800A has a few different applications fields. Firstly, it can be used as a detector for optical detection applications. It can be used to detect the presence of optical signals in various media, such as air, water and other transparent materials. The OP800A can also be used to detect infrared signals which are emitted from devices such as motion detectors. Secondly, it can be used as a receiver of light signals. It can be used to detect signals from remote control devices or other light sources. Lastly, it can be used as a sensor in optical navigation systems. In this application, it can be used to detect obstacles in the path of the navigation system.

The working principle behind a phototransistor is based on the principle of photoelectricity. When the phototransistor is exposed to light, the semiconductor photodiodes present in the device start to absorb photons or particles of light. When the photodiodes absorb the photons, they produce a tiny electrical current that is then amplified by the transistor, creating an electrical output signal. The output of the phototransistor can then be used to drive a load such as a motor.

In summary, the OP800A is a full featured NPN phototransistor with a built-in lens and a low cost package. It features a wide operating temperature range and a high sensitivity and fast response time, making it an ideal choice for many optical detection and wireless communication applications. The OP800A can also be used for optical navigation systems, allowing it to detect obstacles in the path of the navigation system. The working principle of the OP800A is based on the principle of photoelectricity and is used to produce an electrical output that can be used to drive a load.

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