H22A2

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensing Distance:	0.118" (3mm)
Sensing Method:	Transmissive
Output Configuration:	Phototransistor
Current - DC Forward (If) (Max):	50mA
Voltage - Collector Emitter Breakdown (Max):	30V
Response Time:	8µs, 50µs
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	Through Hole, Flange
Package / Case:	Slotted, PC Pins
Type:	Unamplified

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

The H22A2 photointerrupter is an optically operated switch designed for use with slot type reflective sensors in specialty applications. Together, they form a pair of optically coupled digital devices that provide a transistor output. It is used in various applications such as position detection, level sensing, and counting.

Product Overview of H22A2

The H22A2 photointerrupter integrates an optical source (light-emitting diode, LED) and two high-gain silicon phototransistors in a single, compact package. It is available with either NC (normally closed) or NO (normally open) output configuration. The H22A2 has a very high operating speed and pulse repetition rate, making it suitable for high-speed, precision optical sensing in a variety of applications.The H22A2 is a small, easy-to-use device that can be integrated into almost any existing system. It has a very low power consumption and is suitable for use in demanding environments. The H22A2 also features a wide operating temperature range and is available in a variety of package sizes to suit different application requirements.

Working Principle of H22A2

The H22A2 utilizes slot type reflective sensors that detect the presence or absence of an object. The H22A2’s LED produces a wide beam of light, which is detected by the two phototransistors when an object passes through the slot. When no object is present, the light falls on both phototransistors equally, resulting in a closed circuit. When an object is present, the light is blocked by the object, and the phototransistors detect this variation.As the object passes through the slot, the light beam is interrupted, and the phototransistors detect this change in light intensity. This change is then converted into an electrical signal, resulting in the opening or closing of the transistor output, depending on the type of H22A2 selected. This change in voltage is used as an input for any number of applications, such as in position detection, level sensing, and counting.

Applications of H22A2

The H22A2 is designed for applications such as automation, robotics, machine vision, and printing. It can be used in machine automation systems to detect and control the motion of machine components and robots. The H22A2 is also used in printing and labeling machines to detect the presence of components, such as paper, labels, and cartridges.The H22A2 can be used in packaging and sorting machines to sense the presence or absence of products and objects as they pass through the system. It is also used in the chemical and medical industries for applications such as drip chambers, flow meters, and liquid level sensing.The H22A2’s high-speed response and wide operating temperature range make it suitable for use in harsh industrial environments, such as in welding and other metalworking operations. It is also used in automotive and aviation manufacturing for applications such as position and speed sensing.The H22A2 is a robust, reliable, and easy-to-use optically operated switch that has a wide range of applications in automated systems. Its simple operation and wide operating temperature range make it suitable for use in a variety of industrial and commercial applications.

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