Optical Sensors - Photo Detectors - CdS Cells

Optical Sensors - Photo Detectors - CdS Cells

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Image Part Number Manufacturer Description Series Operating Temperature Wavelength Voltage - Max Cell Resistance @ Illuminance Rise Time (Typ) Fall Time (Typ) Cell Resistance (Min) @ Dark
NSL-5910 Advanced Photonix (Luna Optoelectronics) PHOTOCELL CDS TO-8 HERMETIC - -60°C ~ 75°C (TA) 550nm 170Vpk 1 ~ 2 kOhms @ 21 lux - - 100 kOhms @ 5s
PDV-P8107 Advanced Photonix (Luna Optoelectronics) PHOTOCELL 80K-240K OHM 5.10MM - -30°C ~ 75°C (TA) 520nm 150Vpk 80 ~ 240 kOhms @ 10 lux 60ms 25ms 20 MOhms @ 10s
PDV-P9006 Advanced Photonix (Luna Optoelectronics) PHOTOCELL 80K-200K OHM 4.20MM - -30°C ~ 75°C (TA) 520nm 150Vpk 80 ~ 200 kOhms @ 10 lux 60ms 25ms 5 MOhms @ 10s

About Optical Sensors - Photo Detectors - CdS Cells


Optical sensors employing CdS (cadmium sulfide) cells are photosensitive devices used to detect and measure light intensity levels. CdS cells change resistance in response to variations in incident light, making them suitable for applications such as automatic lighting control, photographic exposure meters, and dusk-to-dawn switches. These sensors exhibit a nonlinear response to light, with resistance decreasing as light intensity increases. CdS cells offer simplicity, reliability, and cost-effectiveness compared to other light-sensing technologies. Despite their declining popularity due to environmental concerns associated with cadmium, CdS cells remain in use in certain niche applications where their characteristics meet specific requirements.