5mm Infrared Transmitter LED 940nm (5mm IR Emitter Diode)
The 5mm IR Transmitter 940nm is an infrared emitting diode designed to produce invisible IR light for sensing and communication applications. It operates at a peak wavelength of around 940nm, which is commonly used in IR remote control systems, proximity sensors, and opto electronic circuits.
The 5mm package refers to the standard round LED size, making it easy to mount on PCBs and compatible with common optical sensor designs. These emitters are typically paired with photodiodes or phototransistors for detection systems.
Key Features
- Infrared Emission 940nm optimized for IR sensing
- 5mm Standard Package easy PCB mounting
- High Radiant Intensity strong IR output
- Fast Switching suitable for high speed circuits
- Low Power Consumption efficient operation
- Compatible with photodiodes and phototransistors
Specifications
- Device Type: Infrared emitting diode
- Wavelength: approx 940nm
- Forward Voltage: approx 1.2V to 1.5V
- Forward Current: typically 20mA to 50mA
- Output Type: Infrared light emission
- Viewing Angle: typically 20 to 40 degree
- Package Type: 5mm round through hole
- Mounting Type: Through hole
Standard 5mm LEDs are widely used in electronics due to their compact size low power usage and easy integration into circuits
Applications
- IR remote control transmitters
- Proximity and obstacle detection
- Line follower and robotics systems
- Optical communication circuits
- Encoder and interrupter systems
Pinout Configuration
- Anode positive
- Cathode negative
Working Principle
- Electrical current flows through diode
- Semiconductor emits infrared light
- IR light detected by receiver device
- Signal used for sensing or communication
