3mm Infrared Receiver Photodiode 940nm (3mm IR Receiver Diode)
The 3mm IR Receiver 940nm is a compact light sensitive semiconductor device designed to detect infrared radiation and convert it into an electrical signal. It operates as a photodiode or phototransistor and is optimized for a peak wavelength around 940nm, ensuring efficient detection when paired with IR transmitters.
This 3mm package is ideal for compact PCB designs and embedded systems where space is limited while maintaining reliable sensing performance. These receivers are commonly used in IR emitter receiver pairs for accurate optical sensing systems.
Key Features
- Infrared Detection 940nm optimized for IR systems
- 3mm Compact Package suitable for small designs
- High Sensitivity accurate IR signal detection
- Fast Response suitable for high speed circuits
- Low Noise stable output
- Compatible with IR transmitters and opto systems
Specifications
- Device Type: Infrared receiver photodiode or phototransistor
- Peak Wavelength: approx 940nm
- Output Type: Current proportional to light intensity
- Viewing Angle: typically wide angle detection
- Package Type: 3mm round through hole
- Mounting Type: Through hole
Applications
- IR remote sensing circuits
- Proximity and obstacle detection
- Line follower robotics
- Optical communication systems
- Encoder and interrupter circuits
Pinout Configuration
- Anode positive
- Cathode negative
Working Principle
- Infrared light falls on sensor
- Semiconductor junction generates current
- Output varies with light intensity
- Signal used for detection or control
