CNZ1002

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Sensing Distance:	0.035" (0.9mm)
Sensing Method:	Transmissive
Output Configuration:	Phototransistor
Current - DC Forward (If) (Max):	50mA
Current - Collector (Ic) (Max):	20mA
Voltage - Collector Emitter Breakdown (Max):	35V
Response Time:	35µs, 35µs
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	PCB Mount
Type:	Unamplified

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

CNZ1002 is a type of photointerrupter model designed in slot type with transistor output. This type of device is often used as a sensor to detect the presence or absence of a visible light or object. As an electronic component, it is used to recognize the presence of an object, turn on or off an electrical load, count an object, or calculate the speed of a moving object. This article will discuss the application field and working principle of CNZ1002.

Application Field

Photointerrupters have many applications in industry, robotics, and embedded systems. The CNZ1002 is ideal for use in motion control, position sensing, and overcurrent detection. It can be used to detect the presence of a slave device (such as a pick-and-place robot) and can control the start/stop of a shaftless conveyor belt. It is also used to detect the position of a mechanism, and can be used for counting parts on an assembly line.

Working Principle

CNZ1002 photointerrupters are essentially optical switches. They contain an LED and a phototransistor in a slot-shape package. The device is triggered when an object interrupts the light path between the LED and phototransistor. When an object interferes with the light passing between the LED and the phototransistor, it triggers the circuit to turn on or off the load.When the device is triggered, current flows from the LED to the phototransistor to create a voltage. This voltage, in turn, generates a current signal that can be used as a control signal for the application. The LED in this model has a low forward voltage drop (typically around 1.0 V) which allows it to perform reliably even at low temperature.The output of the CNZ1002 model is a transistor output with two pins for data signal and ground. The data signal can be a normally open (NO) or normally closed (NC) signal. The device can be adjusted using its built-in trimmer variable resistor to change the sensitivity.

Conclusion

CNZ1002 optical sensors are ideal for various sensing applications such as motion control, position sensing, and overcurrent detection. They provide reliable triggering when an object interrupts the light path between the LED and phototransistor. The adjustable sensitivity of the device can be used to optimize the triggering performance for the application. The transistor output provides low noise and low power operation.

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