5pcs Photoresistor Photoconductive Cell Light Dependent Resistor 8-20K LDR 20mm Ceramic Pacakge CdS photoconductive cells utilize photoconductive effects in semiconductors that decrease their resistance when illuminated by light. These sensors are non-polar resistive elements with spectral response characteristics close to the human eye (luminous efficiency), thus making their operating circuits simple and small. Features Coated with epoxy Small volume Quick response Good reliability High sensitivity Good spectrum characteristic Applications： Camera automation photometry Indoor sunlight control Industrial control Optical control lamp Optical control musicI.C Photoelectric control Annunciator Optical control switch Electronic toy Electronic proverbial vlitional Notes： 1. To avoid the light-sensitive resistors on the humid, high temperature environment preservation. 2.In the use of the process, the welding time shortened as much as possible. 3.Note that lead soldering location should be 3 mm from the ceramic base (mm) or more.
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