OPB865N55 Sensors, Transducers

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Optical Sensors are key components used in a wide variety of measuring systems, ranging from basic to sophisticated. The most common type of Optical Sensor is the Photointerrupter, which is a light-activated switch generally built with an emitter and a detector housed inside a single device. When a light beam is emitted by the emitter and intercepted by the detector, a circuit is completed and a signal is triggered.

The OPB865N55 is an advanced Photointerrupter from OPTEK Technology, designed to provide reliable detection over an adjustable sensing range. This device belongs to OPTEK’s Slot Type Transistor Photointerrupters, which utilize a narrow slot in a pair of plates to limit transmission of light, and are available in a variety of package styles, output types, and sizes. It is ideal for applications where an adjustable sensing range is necessary.

The OPB865N55 is a Slot Type Transistor Photointerrupter designed with a Transistor Output, and is packaged in a miniature 8-Pin DIP. This type of output is most commonly used for applications that require fast switching speed, such as motor control, and can provide logic-level outputs with a low power consumption. The device also features an adjustable sensing range, adjustable emitter-detector spacing, low power dissipation, and a wide operating temperature range (-40°C to 100°C).

In operation, light from the emitter passes through the slot, which is located between two plates, and activates the detector. When the slot is exposed, the transistor is triggered and a signal is output. The adjustable sensing range allows the OPB865N55 to be adapted to various applications, depending on the slot size and settings of the emitter and detector. The adjustable emitter-detector spacing gives users the option of adjusting the light beam position for optimal performance. Additionally, the low power dissipation and wide operating temperature range makes this device a good choice for extended duty or harshenvironment applications.

In summary, the OPB865N55 Slot Type Transistor Photointerrupter from OPTEK Technology is an ideal sensor for applications that require an adjustable sensing range, fast switching speed, and extended duty or harsh environment operation. Its small size, adjustable emitter-detector spacing, low power dissipation, and wide operating temperature range make it an excellent choice for many types of measuring systems.

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