LDR - 20mm - Photocell/Photoresistor

LDR 20mm Photocell/Photoresistor - High-Sensitivity Light Dependent Resistor

The LDR 20mm Photocell, also known as a Photoresistor or Light Dependent Resistor, is an essential component for light-sensing applications. This versatile sensor precisely changes its resistance based on ambient light intensity. It's perfect for detecting light levels across a wide range of electronic projects. Benefit from its high sensitivity and fast response, ensuring reliable performance. The compact 20mm size allows for easy integration into various circuits. Utilize this LDR for automatic lighting, security systems, or educational kits. Its robust epoxy coating ensures excellent reliability and durability. This component is a must-have for makers and engineers working with light detection.

Specifications:

• Type: Photocell / Photoresistor (LDR)
• Diameter: 20mm
• Material: Cadmium Sulfide (CdS)
• Operating Principle: Light Dependent Resistor
• Spectral Peak: ~540nm
• Dark Resistance: >1MΩ
• Light Resistance (10 lux): 5-20KΩ (typical)
• Max Voltage: 150V DC
• Max Power Dissipation: 100mW
• Operating Temperature: -30°C to +70°C
• Coating: Epoxy

Key features and benefits:

• High sensitivity for detecting subtle changes in light intensity.
• Fast response time, quickly reacting to light variations.
• Excellent spectral characteristics, optimized for visible light detection.
• Durable epoxy coating provides robust protection and extended lifespan.
• Compact 20mm diameter, ideal for space-constrained applications.
• Reliable performance ensures consistent and accurate light sensing.
• Versatile light dependent resistor with resistance varying inversely with light.

Applications:

• Automatic street lights and night lights.
• Light-activated alarms and security systems.
• Brightness control for displays and backlights.
• Robotics and automation projects, including line followers.
• Educational electronics kits and DIY projects.
• Darkness-activated circuits and sensors.

Package Includes:

*Image shown is a representation only.

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