OPB961L55

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Optical sensors are devices that detect and respond to light. These sensors can be used to measure parameters such as light intensity, color, direction, and wavelength. Photodetectors, photointerrupters, and slot types are three common types of optical sensors. Photointerrupters are particularly useful for motion sensing applications, as these sensors produce an output signal when an object passes through the light beam. The OPB961L55 is a slot-type photointerrupter with a logic output.

The OPB961L55 uses a pair of infrared LED and phototransistor to sense the presence of an object passing through the slot. LEDs emit a beam of infrared light through the slot, and when an object interrupts this beam, the phototransistor reflects this signal back to the controller. The detector then generates a digital signal that is either high or low, depending on whether the slot is occupied or not.

The OPB961L55 has a wide range of applications, including switch and indicator lights, motion sensing, industrial process monitoring, and consumer electronics. This sensor can also be used to detect the presence of mail slots and mail trays in post offices, as well as to monitor the movement of rollers and conveyor belts in factories. In addition, it can be used as a safety device to monitor the presence of hazardous materials in an industrial environment.

The OPB961L55 works by using the LED to emit a beam of infrared light through the slot, and when an object interrupts this beam, the phototransistor reflects this signal back to the controller. The controller then interprets the signal and generates a digital “high” or “low” output, depending on whether the slot is occupied or not. The logic output is compatible with both TTL and CMOS, and the supply voltage range is 3V to 15V. This flexibility makes the OPB961L55 suitable for a range of applications.

The OPB961L55 is an economic and reliable solution for sensing the presence of objects in a wide range of applications. Its flexibility and logic output design make it a great choice for motion sensing, indicating switch and tray presence, and hazardous material monitoring.

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