LDR - 20mm - Photocell/Photoresistor

LDR 20mm Photocell / Photoresistor - 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 changes its resistance based on the intensity of ambient light. It's perfect for detecting light levels in a wide range of electronic projects. With its high sensitivity and fast response, it provides reliable performance. The compact 20mm size makes it easy to integrate into circuits. Utilize this LDR for automatic lighting, security systems, or educational kits. Its robust epoxy coating ensures good reliability and durability. This component is a must-have for any maker or engineer 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: Detects subtle changes in light intensity
• Fast Response Time: Quickly reacts to variations in light conditions
• 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: Resistance varies 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 (e.g., 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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