OP793B

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

A phototransistor, such as the OP793B, is a type of optical sensor that utilizes a light-dependent resistor to detect the presence of light. It is composed of a semiconductor material, such as silicon or germanium, between two electrodes. When light strikes the semiconductor material, it creates a photoelectric current known as the photovoltaic effect. This causes the photosensitive transistor to switch on, allowing current to flow through its collector and emitter terminals.

The OP793B phototransistor is used in a variety of applications for sensing and measuring light, such as night vision, medical instrumentation, security systems, and automatic door openers. It can also be used in fiber-optic communications where long distances and data rates are required. The device features a wide dynamic range and narrow spectral response to provide reliable sensing performance.

The working principle of the OP793B phototransistor is based on the photovoltaic effect. When light hits the semiconductor material, it creates a current between the collector and emitter terminals. The current flow is proportional to the intensity of the light and can be used to detect the presence or absence of light. The device can be operated using either direct or alternating current. The OP793B includes an internal resistance to further enhance the sensing performance.

In addition to its sensing applications, the OP793B can also be used as a high-speed switch. It features a high-speed switching response time of less than 10 microseconds, making it ideal for applications such as telecommunications, consumer electronics, and industrial automation. The device has an operating temperature range of -55°C to +175°C and an operating frequency range of up to 3GHz.

The OP793B is a reliable and versatile phototransistor that can be used in a wide range of applications. It is easy to install, requires minimal power consumption, and has a wide dynamic range and high-speed switching capabilities. This makes it the ideal choice for a variety of applications.

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