Specifications:

Brand: EVERLIGHT
Type: Infrared Receiver
Forward voltage range: 2.8V to 5V
Reverse current: up to 50 µA
Continuous forward current: 20 mA
Peak forward current: 75 mA
Maximum power dissipation: 100 mW
LED size: 3 mm diameter
Number of pins: 2
Operating temperature range: -40°C to +85°C
Mounting style: Through-hole installation

1. What is a 3mm IR Receiver LED?

A 3mm IR Receiver LED is a small infrared-sensitive component that detects infrared light signals, typically emitted by IR transmitters such as remote controls. It converts the received IR light into electrical signals for further processing.

2. Where is a 3mm IR Receiver LED commonly used?

It is widely used in applications like TV remote control systems, home automation, obstacle detection in robotics, line-following robots, and IR communication systems.

3. How does a 3mm IR Receiver LED work?

The receiver LED detects infrared light and generates a corresponding electrical signal. When IR light falls on the sensor, its internal photodiode reacts and produces a voltage or current change that can be read by a microcontroller.

4. What is the typical operating voltage of a 3mm IR Receiver LED?

A basic IR receiver LED (photodiode type) usually operates at low voltages (around 3.3V to 5V when used with circuits). However, it often requires additional components like resistors or amplifiers for proper signal detection.

5. What is the difference between an IR Receiver LED and an IR Receiver Module?

An IR Receiver LED is just a sensor (photodiode/phototransistor) that detects IR light, while an IR receiver module (like TSOP1738) includes built-in amplification, filtering, and demodulation, making it easier to interface directly with microcontrollers.