HOA2862-003

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Sensing Distance:	0.100" (2.54mm)
Sensing Method:	Transmissive
Output Configuration:	Photodarlington
Current - DC Forward (If) (Max):	50mA
Current - Collector (Ic) (Max):	30mA
Voltage - Collector Emitter Breakdown (Max):	15V
Response Time:	75µs
Operating Temperature:	-55°C ~ 100°C
Mounting Type:	Through Hole
Package / Case:	Module, Slotted
Type:	Unamplified

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Optical Sensors - Photointerrupters - Slot Type - Transistor OutputPhotointerrupters are photo-sensitive devices that, upon receiving light, detect the presence of an object and interrupt the corresponding power circuit. The HOA2862-003 is a Type of Photointerrupter with a Transistor Output fitted within a Slot-style Package. This article provides an overview of the applications and working principles of the HOA2862-003. ApplicationsThe HOA2862-003 is a commonly used photointerrupter device due to its capacity to provide accurate interrupting power signals. Some applications for the HOA2862-003 include: 1. Automotive navigation. The HOA2862-003 is a vital component for the automatic navigation-aid systems used in modern cars. The sensing units detect changes in light and send signals to the vehicles’ onboard computer system, which allows for the car to maintain a predefined course. 2. Lactopore containers. The photointerrupter is also used as a monitoring system for special containers known as lactopore containers. These containers contain six lactopore cores, each with its own photointerrupter, which helps to ensure that the drivers of the vehicles transporting the containers can accurately track the containers’ movements. 3. Industrial automation. The HOA2862-003 is also used in Automated Guided Vehicles (AGV’s). The photointerrupter helps to detect changes in ambient lighting or object motion, so that the AGV’s can respond rapidly to the commands received from the controlling system. Working PrincipleThe HOA2862-003 photointerrupter consists of an insulated slot formed between two opposed light-emitting and photodetecting elements. The Transistor Output pin remains in an open state until it receives and maintains an optical signal from the emitter. When the optical signal is interrupted by an object passing through the slot, the Transistor Output pin closes and activates the corresponding power circuit. The photoelectric device operates with a supply voltage of 2.7 to 5.5 volts. When the photodetecting element receives a signal, it activates the Transistor Output pin, which then activates the power circuit. The output current of the photointerrupter is highly sensitive, ranging from 25 mA to 200mA. ConclusionThe HOA2862-003 is a slot type photointerrupter with a transistor output and is widely used in various applications such as automotive navigation, lactopore containers and industrial automation. The photointerrupter operates with a supply voltage of 2.7 to 5.5 volts, and its output current is highly sensitive, ranging from 25 mA to 200mA. Furthermore, its working principle is based on the interruption of an optical signal by an object passing through the slot formed between two opposed light-emitting and photodetecting elements.

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