Reference: RBD-0429
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The CNY70 Reflective Optical Sensor by Vishay Telefunken integrates an infrared emitter and phototransistor in a compact, black plastic housing. The emitter and detector are positioned side-by-side, enabling it to detect objects by sensing infrared light reflected from nearby surfaces. It is a widely used sensor for line tracking, object detection, and rotary encoder applications.
The CNY70 Reflective Optical Sensor by Vishay Telefunken integrates an infrared emitter and phototransistor in a compact, black plastic housing. The emitter and detector are positioned side-by-side, enabling it to detect objects by sensing infrared light reflected from nearby surfaces. It is a widely used sensor for line tracking, object detection, and rotary encoder applications.
Reflective IR sensing with phototransistor output
Operating wavelength: 950 nm
Sensing distance: typically 0.3 mm (depends on surface reflectivity)
Compact design with 2.54 mm pin spacing (0.1 inch)
High signal output, stable and repeatable response
Integrated optical filter for improved performance in ambient light
Low temperature coefficient, ensuring stable operation
No calibration required, easy to integrate in any circuit
Line-following robots
Object and edge detection
Speed or position sensing (rotary encoders)
Proximity switches
Optical scanning and code-wheel detection
| Parameter | Value |
|---|---|
| Model | CNY70 |
| Type | Reflective IR Sensor |
| Output Type | Phototransistor |
| Operating Voltage | 5 V (typical) |
| Operating Wavelength | 950 nm |
| Sensing Distance | 0.3 mm (typical) |
| Package | 4-Pin Through-Hole |
| Dimensions | 7.2 × 7 × 6.5 mm (approx.) |
| Brand | Vishay Telefunken |
Ensure correct polarity when wiring LED and phototransistor pins (refer to datasheet).
Recommended to use with a current-limiting resistor for the IR LED.
Optimal performance on non-glossy reflective surfaces.
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The CNY70 Reflective Optical Sensor by Vishay Telefunken integrates an infrared emitter and phototransistor in a compact, black plastic housing. The emitter and detector are positioned side-by-side, enabling it to detect objects by sensing infrared light reflected from nearby surfaces. It is a widely used sensor for line tracking, object detection, and rotary encoder applications.
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