5pc 5mm LDR Light Dependent Resistor Photoresistor

5pc 5mm LDR Light Dependent Resistor Photoresistor

₹ 72

₹ 79


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Product Specifications

  • Size: 5mm
  • Material: Semiconductor Materials having high resistivity like Silicon or Germanium and copper
  • Package content: Light Dependent Resistor or LDR of 5 pieces
  • Shape: Round
  • Also called photoresistor, photocells, photoconductor and photo conducting cell

LDR Stands for Light Dependent Resistor and its Resistivity varies with Incident Electromagnetic Radiations so its resistivity is a function of Incident Electromagnetic Radiations or light. Other names of LDR are photoresistor Photoconductor Photocell and photo conducting cell

LDR is made of Semiconductor materials with high Resistance like Silicon or Germanium. It is a light-sensitive device so this resistor has a different resistance value in day and night as given below

Daylight: 5000?

Dark: 20000000?


It requires less power to operate

Quick Response

Easy to use

Generate high current


Camera Exposure Control

Auto Slide Focus

Photocopy Machines

Colorimetric Test Equipment


Electronic Scales

Automatic Gain Control

Automated Rear View Mirror

Automatic Headlight Dimmer

Night Light Control

Oil Burner Flame Out

Street Light Control

Absence / Presence (beam breaker)

Position Senson

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