A photoresistor (or light-dependent resistor, LDR, or photo-conductive cell) is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other words, it exhibits photoconductivity. A photoresistor can be applied in light-sensitive detector circuits, and light-activated and dark-activated switching circuits.
Good spectrum characteristic
Standard Type and Specifications
|Specification||Type||Maximum Voltage||Maximum power||Spectrumpeak value||Light resistance(10Lux)(KΩ)||Dark resistance(MΩ)||Response time(ms)|
|φ20 series||GL20516||500||500||560||5- 10||1||30||30|
Photoresistors come in many types. Inexpensive cadmium sulfide cells can be found in many consumer items such as camera light meters, clock radios, alarm devices (as the detector for a light beam), nightlights, outdoor clocks, solar street lamps and solar road studs, etc.
1. What is the size for LDR?
φ3 series, φ4 series, φ5 series, φ7 series, φ10 series, φ12 series, φ20 series.
2. What is your production capitable?
5 million Pieces per Month
3. Packaging information.
100pcs per small package,1000pcs per big package.
Light dependent resistors, LDRs or photoresistors are often used in circuits where it is necessary to detect the presence or the level of light. They can be described by a variety of names from light dependent resistor, LDR, photoresistor, or even photo cell, photocell or photoconductor.View More
A photoresistor is made of a high resistance semiconductor. In the dark, a photoresistor can have a resistance as high as several megohms (MΩ), while in the light, a photoresistor can have a resistance as low as a few hundred ohms.View More
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