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Reflective Optical Sensor with Transistor Output CNY70

Reflective Optical Sensor with Transistor Output CNY70 - The CNY70 is a reflective sensor that includes an infrared emitter and phototransistor which blocks visible light. 

  • Package: Thru hole
  • Sensing Distance: 0 mm to 5 mm
  • Collector- Emitter Voltage VCEO Max: 32 V
  • Maximum Collector Current: 50 mA
  • Vf - Forward Voltage: 1.25 V
  • Vr - Reverse Voltage: 5 V
  • Maximum Operating Temperature: + 85 C
  • Minimum Operating Temperature: - 40 C

Frequently asked questions about Reflective Optical Sensor with Transistor Output CNY70

Q1: What exactly is the CNY70 Reflective Optical Sensor with Transistor Output?

An electrical gadget called the Reflective Optical Sensor with Transistor Output CNY70 combines an infrared emitter with a phototransistor in a single unit. It is frequently employed for line detection, proximity sensing, and applications that require the presence or absence of an item.

Q2: How does the CNY70 sensor function?

A phototransistor and an infrared LED (emitter) are combined to form the CNY70 sensor. The phototransistor detects infrared light that the LED generates after it reflects off a surface. The output current of the phototransistor changes when an item is in front of the sensor, blocking or reflecting the infrared light. This alteration can be used to determine whether an object is present or not.

Q3: What distinguishing qualities does the CNY70 sensor have?

The CNY70 sensor's salient characteristics include:

  1. A single package with an integrated infrared emitter and phototransistor.
  2. Transistor output, which makes it simple to interface with digital circuitry.
  3. A built-in daylight filter to reduce interference from ambient light.
  4. Extremely sensitive to variations in reflected light.
  5. Small and economical design

Q4: What are some common uses for the CNY70 sensor?

The CNY70 sensor is used in a variety of industries, such as:

  • Object detection can be used to determine if items are present or absent in mechanical or automated systems.
  • Lines that follow: In order to find lines or tracks on the ground, it is frequently employed in line-following robots.
  • Proximity sensing: The sensor may be used in touchless switches or obstacle detection systems to determine how close an object is.
  • Rotary encoder systems may make use of it to measure speed or position.

Q5: What are the CNY70 sensor's operational voltage and current?

The CNY70 sensor normally operates with a voltage between 4.5 and 5.5 volts DC. Depending on the particular working circumstances, the current consumption can vary, although it normally ranges between a few mill amperes.

Q6: How can I connect a microcontroller or digital circuit to the CNY70 sensor?

The transistor output of the CNY70 sensor makes it simple to connect it to microcontrollers or digital circuitry. The emitter terminal of the phototransistor should be connected to ground, and the collector terminal should be connected to a pull-up resistor to the supply voltage (for example, 5V). A digital input pin of the microcontroller or digital circuit can then be connected to the junction between the pull-up resistor and the collector terminal. You can ascertain the sensor's output by keeping an eye on the input pin's status.

Reflective Optical Sensor with Transistor Output CNY70

Reflective Optical Sensor with Transistor Output CNY70

109 in stock

Product Code

SKU:2438

Regular price ₱ 45.00
Regular price Sale price ₱ 45.00
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