QVA11224

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Optical sensors are devices that detect and respond to light. Photointerrupters are a type of optical sensor that senses interruptions in a beam of light.

The QVA11224 is a type of photointerrupter that falls into the slot type category, utilizing a transistor output. It is sensitive to visible and infrared light, making it useful for various sensing applications. It is designed to detect interruptions in a light beam or slot. The QVA11224 typically comes in an 8-pin package with a slim width of 6.2mm.

Working Principle of QVA11224

The QVA11224 photointerrupter utilizes a transitional area in the gap of the slot in which the light signal is interrupted. When a light is shone onto the device, the light detector detects the transmission of a signal. When an object interrupts the light signal, the detector registers and sends a signal to the driving transistor. This causes the transistor to open and close the output circuit, changing between a high and a low voltage.

Application Field of QVA11224

The miniature size and robust construction of the QVA11224 make it suitable for applications with limited space. It can be used for presence detection and obstruction detection in areas such as industrial equipment, automotive engineering, consumer electronics, medical equipment, and security systems. Its high sensitivity makes it suitable for detecting very small objects. Its ability to be utilized with both visible and infrared lights makes it useful for a wide range of applications, from dark spaces to bright outdoor environments. It is also cost effective and reliabile, making it a preferred choice for many applications.

In addition, the QVA11224 is designed for long-term use and requires little maintenance. Its robust design ensures reliable operation in extreme environmental conditions. Its low cost and low power consumption make it an attractive choice for OEMs who are looking for an economical photointerrupter.

Overall, the QVA11224 is a reliable and cost-effective photointerrupter that is suitable for numerous sensing applications. It is well-suited for applications that require precision detection in restricted areas. Its utilization of both visible and infrared lights makes it an invaluable tool for various applications.

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