Light Dependent Resistor LDR Sensor 5MM Photoresistor
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Light Dependent Resistor LDR Sensor 5MM Photoresistor

Light Dependent Resistor LDR Sensor 5MM Photoresistor Photoconductive resistance at lowest price online at nevonexpress

Quantity:      

Available Stock : 491 Unit

Product Overview

A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled variable resistor. The protection of a photoresistor diminishes with expanding occurrence light force; as such, it displays photoconductivity. A photoresistor can be connected in light-delicate identifier circuits, and light-and dull initiated exchanging circuits.


Features

Maximum voltage (V-dc)
150
The maximum power dissipation (mW)
100
Ambient temperature (Degree C)
-30 - +70
Spectral peak (nm)
540

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Working Principle

The Light Dependent Resistor works on the basic principle of photo conductivity, making them useful in light sensing. The term photoconductivity stands for phenomenon in which the conductivity of a substance increases while in contact with light. In general terms, the LDR is made up of substance who has low conductivity in darkness, and whenever it comes in the contact with light the conductive property of the sensor increases. A typical light dependent resistor has a resistance in the darkness of 1MOhm, and in the brightness a resistance of a couple of KOhm.

Interfacing Diagrams