The NORPS-12 from Advanced Photonix is a CdS photoconductive cell with a spectral response similar to that of the human eye in TO-18 package. Photoconductive cell is encapsulated in a moisture resistant coating and enclosed in a plastic casing. Maximum light resistance of 12.6kohm Dark resistance of 1Mohm Power dissipation at 30°C is 250mW Voltage rating (peak AC or DC) is 250V Operating temperature range from -60°C to 75°C Spectral peak wavelength of 550nm Applications Industrial