HOA0825-001

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Optical sensors are precision devices that uses light to detect the presence or absence of objects. Photointerrupters are specialized optical sensors primarily used for vertical-mount (slot) or horizontal-mount (encoder) detection. A slot type photointerrupter consists of an infrared LED and a phototransistor embedded in a plastic housing, and is used for detecting the presence of an object passing through a slot or gap.

HOA0825-001 is a slot type photointerrupter with a transistor output by Sharp Microelectronics. This device is housed in a 4-pin SOP (Small Outline Package) with an infrared LED and a phototransistor under the black housing. It\'s designed for quick response with low power consumption and is suitable for small appliances and consumer products.

Application Field

HOA0825-001 is most suitable for position and motion detection in various applications such as switches, relays, and home automation. It\'s also used for edge detection in printers and scanning systems. This photointerrupter can be used to measure length, position, speed, and count of moving objects such as paper and electronic products. It offers 3 mA of minimal current transfer and low power consumption and operates over wide temperature ranges. It\'s suitable for a wide range of industries and its small size makes it ideal for use in compact applications.

Working Principle

The photointerrupter works using the basic principle of light absorption and re-emission. The HOA0825-001 consists of an infrared LED and a phototransistor. The LED emits a beam of infrared light which is then detected by the phototransistor when the object passes through the slot or gap in it. When the object is in the gap, the transmitted light is detected by the phototransistor, resulting in a change in its current which can then be detected by the output circuit. The choice of the object’s material is also important as it has to be able to absorb and re-emit the infrared light.

The HOA0825-001 is a robust slot type photointerrupter with a transistor output by Sharp Microelectronics. It has a wide range of applications and is suitable for various industries and applications. It utilizes the basic principles of light absorption and re-emission in order to detect the presence or absence of an object, making it an ideal solution for quick response and low power consumption.

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