OPB801W55Z

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The OPB801W55Z is a slot type photointerrupter with a transistor output from Optek Technology. This optical sensor is widely used in instrumentations and devices that need precise optical sensing. With its high reliability and accuracy, it can guarantee reliable performance in a wide range of applications.The OPB801W55Z photointerrupter consists of an infrared LED and a NPN silicon phototransistor mounted in a miniature plastic housing. The LED portion is shielded from the phototransistor by a thin stainless steel slot. The LED is provided with an integrated filter to minimize the absorption of extraneous radiation by the phototransistor.The working principle of the OPB801W55Z photointerrupter is simple and involves just two primary components: an infrared LED and a NPN silicon phototransistor. The LED emits an infrared light beam that passes through the thin steel slot and hits the phototransistor. When this happens, a current is generated in the phototransistor, which is then amplified by the high gain of the NPN transistor.This current is then used to control the output of the device, which can be either a switching or varying voltage. It can also be used to drive other output circuits such as counters or timers. The OPB801W55Z can detect interruptions in the light beam with a resolution as high as 0.05 mm, making it ideal for precision applications. The detection range of the OPB801W55Z is 10-15 mm and the switching frequency is up to 200 kHz.The OPB801W55Z photointerrupter has a wide range of applications, such as automotive instrumentation, medical instruments, color recognition, electronic appliances, and any other applications that require precise detection of an interruption in a light beam. It can also be used for speed and position sensing.The OPB801W55Z photointerrupter is a reliable, cost-effective solution for many applications, thanks to its high accuracy and resolution. With its wide range of applications, it is a great choice for designers who need a reliable and accurate optical sensing solution.

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