The Infrared Receiver LED Diode is a compact infrared-sensitive component designed to detect infrared (IR) radiation in electronic sensing and detection applications. It responds to infrared light by generating a photocurrent, with the current level varying according to the intensity of the incident infrared radiation.
With a 5mm diameter, 940nm peak response wavelength, and low power dissipation of 100mW, this IR receiver diode is suitable for a wide range of sensor, remote-control, automation, and embedded electronics applications.
The component features a 2.54mm lead spacing, making it easy to mount on standard PCBs, breadboards, and prototype circuits.
Key Features
- 5mm infrared receiver diode
- Designed for IR light detection
- 940nm peak response wavelength
- 100mW maximum power dissipation
- 1.2V–1.3V forward voltage
- 5V reverse voltage
- Operating temperature range of -40°C to +100°C
- 2.54mm lead spacing
- Compact through-hole design
- Suitable for sensor and embedded applications
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Infrared Receiver LED / IR Sensor |
| Diameter | 5 mm |
| Peak Response Wavelength | 940 nm |
| Power Dissipation | 100 mW |
| Reverse Voltage | 5V |
| Forward Voltage | 1.2V – 1.3V |
| Operating Temperature | -40°C to +100°C |
| Lead Spacing | 2.54 mm |
| Mounting Type | Through-Hole |
| Shipping Weight | Approx. 0.01 kg |
| Shipping Dimensions | 5 × 4 × 1 cm |
How It Works
The IR receiver diode detects infrared radiation and produces a corresponding electrical response when IR light falls on its photosensitive junction. The amount of photocurrent generated depends on the intensity of the infrared light received.
For proper operation, the diode should be connected with the correct polarity and used within its specified electrical limits.
Applications
The 5mm Infrared Receiver LED Diode can be used in a variety of electronic and sensing applications, including:
- Infrared remote-control systems
- IR object detection
- Proximity sensing
- Line-following robots
- Obstacle detection systems
- Automation and control systems
- Security and monitoring devices
- Embedded electronics
- IoT sensor projects
- Arduino and microcontroller projects
- IR communication circuits
- DIY electronics and prototyping
Why Choose This IR Receiver Diode?
Its compact 5mm package, 940nm peak response, low power dissipation, and standard 2.54mm lead spacing make this infrared receiver diode convenient for PCB assembly, breadboard prototyping, and embedded sensor applications. It is a practical component for projects that require reliable infrared light detection.





