Netrozim

LDR

LDR

$1.00

Photoresistor (Light Dependent Resistor) This cadmium-sulfide (CdS) photoresistor is a highly responsive analog component whose internal resistance decreases significantly in the presence of ambient light. It acts as an excellent, low-cost optical transducer for detecting day/night cycles, beam interruptions, and general ambient light intensity. Dark Resistance: Typically >1 MΩ Light Resistance: 10kΩ to 20kΩ (at 10 Lux) Peak Spectral Response: ~540nm (Visible light) Common Use Case: Automatic dusk-to-dawn street lighting, laser tripwires, and solar tracking systems.

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Description

Photoresistor (Light Dependent Resistor)

This cadmium-sulfide (CdS) photoresistor is a highly responsive analog component whose internal resistance decreases significantly in the presence of ambient light. It acts as an excellent, low-cost optical transducer for detecting day/night cycles, beam interruptions, and general ambient light intensity.

  • Dark Resistance: Typically >1 MΩ
  • Light Resistance: 10kΩ to 20kΩ (at 10 Lux)
  • Peak Spectral Response: ~540nm (Visible light)
  • Common Use Case: Automatic dusk-to-dawn street lighting, laser tripwires, and solar tracking systems.

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