OP793D

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

Optical Sensors are used for a variety of applications in the modern world. In particular, Phototransistors can be used to detect light and are often used in conjunction with other sensors. The OP793D is such a device, providing a reliable and cost-effective solution for a variety of sensing applications.

The OP793D from Optek Technologies is a 4-pin phototransistor in a miniature SOT-23 surface mount package with leads that can be directly soldered to a printed circuit board (PCB). The OP793D has a low power consumption and is capable of switching at a high speed due to its fast rise time, making it an ideal choice for many applications where a low cost, high performance optical sensor is needed.

The OP793D is suitable for a variety of applications due to its level of sensitivity, low noise, and low power consumption. It is widely used in contactless detection systems, including touch and proximity sensing. In particular, its use in capacitive sensing systems is now very popular, where the device serves as a sensitive light detector that can be used in various lighting conditions.

The OP793D can also be used in automotive applications, where its fast response time and low power consumption make it a good choice for applications such as obstacle avoidance. Other applications include LED lighting, programmable logic controllers (PLCs), and other industrial automation equipment.

Working principle, OP793D consists of a PIN photodiode with an integrated transistor, which produces an output signal in response to incident light. When the device is in its idle state, the PIN photodiode is reverse biased. When light enters the sensor’s incident area, it is absorbed by the photodiode, producing a decrease in the photodiode’s electrical resistance. This decrease in resistance causes current to flow through the photodiode, creating a potential difference across the photodiode’s junction that is sufficient to turn on the integrated transistor. The collector current of the transistor is then received as an output signal, which can be used to control or detect the presence of light.

In summary, the OP793D is an ideal choice for a variety of optical sensing applications, due to its low power consumption, compact package, and fast response time. Its use in touch and proximity sensing, automotive applications, LED lighting, and industrial automation systems has helped to make it one of the most popular phototransistors in the market today.

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