OPB461N11

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Optical Sensors are an important type of sensing device in modern technological applications. They are used to detect light, motion or vibration, and can be used in a wide variety of industries. One type of optical sensor is the Photointerrupter, which detects changes in light intensity with respect to distance. The OPB461N11 is a slot type Photointerrupter with logic output. The OPB461N11 is designed as an infrared emitting diode and an NPN silicon photo transistor module. The emitter in the model is typically an infrared LED, while the detector is a non-irradiated gallium arsenide photodiode. The logic output module contains an open collector NPN or PNP transistor. The package is a flat slot type, and the sensing element comprises a pair of opposed IR LED and photo-detector on an epoxy body. The device has a maximum power capability of 500 mW.The OPB461N11 can be used in a variety of applications including medical, industrial and home automation. It is often used for linear movement, object detection and presence detection. In medical applications, its logic output can be used to detect the presence of a person, or to make sure a medical device is in the correct position. In industrial applications, such as in robotic arms, the OPB461N11 can be used to detect objects and detect motion. In home automation, it can be used as part of a security system to detect motion and people in certain areas.The working principle of the OPB461N11 is based on the interruption of the light beam by a moving object. The light beam is created by the IR LED in the emitter and is directed at the Photo-detector. When the object breaks the beam, the Photo-detector no longer receives the signal, and this is converted to an electrical signal in the circuit. This electrical signal is then used as the logic output.The OPT461N11 is ideal for applications where wide range linear motion sensing is required. The package size is small and the power requirements are low. Additionally, the logic output is easy to interpret, and is therefore useful for applications such as movement and presence detection.

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