The Big LDR is a light-sensitive resistor used to detect and measure the intensity of light. Its resistance decreases with increasing light intensity, making it an ideal component for light-sensing applications. The large size of this LDR allows for higher sensitivity and broader detection area, making it suitable for a variety of applications in electronics and automation.
Key Features:
- High sensitivity to light
- Large detection surface area
- Fast response time
- Simple to use and integrate into circuits
- Low cost and reliable performance
- Suitable for a wide range of light levels
- Resistance in Darkness: 1MΩ (typical)
- Resistance in Light: 10kΩ to 20kΩ (typical, under standard light conditions)
- Response Time: Rise - 20ms, Fall - 30ms
- Maximum Voltage: 150V DC
- Maximum Power Dissipation: 100mW
- Operating Temperature Range: -30°C to +75°C
- Dimensions: Diameter 20mm, Height 5mm (approximate)
- Weight: 2g
- Education: Ideal for experiments and teaching about light sensing and resistance.
- Prototyping: Used in developing and testing light-sensitive circuits.
- DIY Projects: Common in hobby projects like automatic night lights and solar trackers.
- IoT Projects: Used in smart lighting systems and environmental monitoring.
- Embedded Systems: Integrated into devices for automatic brightness control and light detection.