The CdS photoresistor is a resistor made of semi-conductor material, and the conductance changes with luminance variation. That is why photoresistors can be made to offer different shapes and illuminated area. The CdS photoresistor is widely used in many fields, such as toys, lamps, cameras, etc.
| Specification | Type | Max. Voltage | Max. power | Environmental temp. | Spectrum peak value |
| φ20 series | GL20516 | 500 | 500 | -30~+70 | 560 |
| GL20528 | 500 | 500 | -30~+70 | 560 | |
| GL20537-1 | 500 | 500 | -30~+70 | 560 | |
| GL20537-2 | 500 | 500 | -30~+70 | 560 | |
| GL20539 | 500 | 500 | -30~+70 | 560 |
| Specification | Light sistance (10Lux) (KΩ) | Dark resistance (MΩ) | λ10010 | Response time (ms) | Illuminance resistance Fig. No. | |
| Increase | Decrease | |||||
| φ20 series | 5-10 | 1 | 0.6 | 30 | 30 | 3 |
| 10-20 | 2 | 0.6 | 30 | 30 | 3 | |
| 20-30 | 3 | 0.7 | 30 | 30 | 4 | |
| 30-50 | 5 | 0.7 | 30 | 30 | 4 | |
| 50-100 | 8 | 0.8 | 30 | 30 | 6 | |




We are an experienced CdS photoresistor φ20 manufacturer and supplier in China. At Eagle Power we offer various types of products such as pyroelectric infrared radial sensor, linear light sensor, P10 full color LED display screen, and P10 outdoor full color rental LED display screen.

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