OP580

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Optical sensors are a group of devices which measure light. One device in particular, the phototransistor, is used in a variety of application fields and is of great significance in various industries. This article will explore the application field and working principle of an OP580 phototransistor.

The OP580 is a general purpose NPN silicon phototransistor by Optek Technology Inc. It is packaged in an epoxy, which makes it compact, shock resistant, and easy to mount into systems. The active region of the OP580 has a diameter of 4mm and the overall size is 6mm x 4.5mm. It has a wide spectrum response range of 290 to 1,000 nm, making it well suited for applications requiring a wide range of response from Ultraviolet (UV) to Infrared (IR). It has a maximum collector current of 16 milliamperes (mA) and a maximum power dissipation of 328 milliwatts (mW).

The application field of the OP580 includes, but is not limited to, medical equipment, solar cell test equipment, light sensitive switch applications, light beam positioning systems, fiber-optic systems, remote distance measurement, and other light sources and detectors. In medical equipment, the OP580 is used to measure the amount of light emitted, allowing it to determine the concentration of a certain substance or to detect surface features in a imaging system. In solar cell test equipment, the device serves as a light-to electric signal transducer to measure the performance of a solar cell and to make the current, voltage, or power available for testing and research purposes. Additionally, its use in light-sensitive switches, beam positioning systems, and fiber-optic systems allows it to measure changes in light intensity from its environment.

The OP580 phototransistor works based on the photovoltaic effect. When exposed to light, photons are absorbed by the semiconductor material within the device, which creates an electric current. This current is then translated into a usable voltage output. By varying the intensity of light, it is possible to control the amount of current that passes through the phototransistor. This allow a user to detect changes in light intensity, such as when an object passes by a phototransistor.

The OP580 is a simple phototransistor which serves as a versatile tool in a wide array of applications. By using the photovoltaic effect, it can detect changes in light intensity, allowing it to be used in medical imaging, solar cell testing, light-sensitive switches, beam positioning systems, fiber-optic systems, and various other applications. By being packaged in an epoxy, it\'s able to withstand high shock, can be easily mounted, and requires a minimal amount of power consumption. The OP580 phototransistor is a key component in many systems and continues to be widely used in many industries.

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