OPB817

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Optical Sensors such as Photointerrupters, Slot Type, and Transistor Output are used to provide a simple and effective solution for detecting objects and creating optical Interrups. Among these, OPB817 is a type of optical sensor that is used in various applications.

The OPB817 Photointerrupter is a slot type optical sensor with a high-speed response time that offers stability and durability. It is designed with a wide operating load current of 20mA, low drive current of 2mA, and low power consumption. The OPB817 Photointerrupter consists of two parts, an emitter and a receiver. The emitter uses an infrared LED and the receiver uses a phototransistor, both of which are integrated into a miniature package. It also features an adjustable detection range and is available in a variety of packages.

The application fields of OPB817 Photointerrupter includes, but is not limited to, conveyor and speed monitoring systems, position and alignment monitoring, rotation and waveform sensing, event marks recognition and detection, rotary encoders, reading security labels, and more. This sensor is also used in industrial automation, medical equipment, consumer electronics, and automotive electronics. It also offers high immunity to ambient light and EMI/RFI interference.

The working principle of the OPB817 Photointerrupter is based on the transmission of a beam of light between the infrared LED and the phototransistor. The light is blocked when an object is placed between them, and the voltage across the phototransistor is switched thereby triggering an interruption or delay in the circuit. This interruption can be used as a signal to power a circuit or activate a switch or relay. When no object is placed between the LED and phototransistor, no voltage is switched, and the circuit remains in its default state. This enables the OPB817 Photointerrupter to be used for different functions in various applications.

The OPB817 Photointerrupter is an effective optical sensor that can be used for various applications, making it a versatile solution for various sensing and automation needs. It offers stability, durability, high speed, adjustable detection range and immunity to EMI/RFI interference, making it ideal for a wide range of applications. By using this sensor, a high degree of accuracy can be maintained in recognizing objects and creating optical Interrups.

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