Photo-Resistor Sensor (LDR 3MM)

3.00 EGP

This 3mm Light Dependent Resistor (LDR) is a compact and reliable light sensor that changes its resistance based on the light intensity falling on it. It’s ideal for light-sensing applications such as automatic lighting, solar garden lights, and DIY Arduino projects.

SKU: CM-22336 Category: Tags: ,

Description

🔹 Features & Benefits:

  • Compact 3mm Size – Perfect for small electronic designs and tight spaces.

  • Light-Sensitive Resistance – Resistance decreases as light intensity increases.

  • Low Power Consumption – Ideal for energy-efficient designs.

  • Versatile Applications – Suitable for both analog and digital circuits.

📐 Specifications:

  • Type: Photoresistor (LDR)

  • Size: 3mm diameter

  • Spectral Peak: ~540nm (visible light)

  • Resistance Range:

    • Dark Resistance: ~1MΩ

    • Light Resistance: ~10-20kΩ (depending on light intensity)

  • Response Time: Rise ~10ms, Fall ~30ms

  • Operating Voltage: Up to 150V (DC)

  • Power Dissipation: 100mW max

📦 Applications:

  • Light detection circuits

  • Automatic night lamps and solar lights

  • Light-activated alarms and counters

  • Arduino and microcontroller projects

  • Robotics and smart systems

This 3mm photoresistor is an essential component for hobbyists, students, and professionals creating light-sensing circuits and automation systems.

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