Photocells are sensors that allow you to detect light. For that reason they often appear in toys, gadgets and appliances. As the squiggly face is exposed to more light, the resistance goes down.
When its light, the resistance is about 5-10KΩ, when dark it goes up to 200KΩ. To use, connect one side of the photo cell .
A photoresistor can be applied in light-sensitive detector circuits, and light-activated and dark-activated switching circuits.
Their resistance decreases as the light level increases with efficiency characteristics similar to the human eye.
Light dependent Cadmium sulfide ( CdS ) resistor. K - 60K Ohms illuminated resistance. In particular they tend to be sensitive to light between 700nm . They are are often referred to a . CdS cells, photoresistors, LDR (light dependent resistor). Cadmium-Sulfide), light-dependent resistors (LDR), and photoresistors.
Spectral response and R-on vs Ftc . Ftc to Lux conversion was added to output resistance curve. Resistance range: 200KΩ (dark) to 10KΩ (lux brightness). Information in this technical datasheet is believed to be correct and reliable. However, no responsibility is assumed for possible inaccuracies or omission. Specifications are subject to change without notice.
This part is RoHS non-compliant. CdS photoresistors are now banned in Europe (RoHS) and . CdS Photo Cell Photo Resistive, Cadmium Sulfide type. High resistance in darkness, low resistance when illuminated.
They find their use in light detecting sensors (daylight switches, light meters) and also in some music equipment (eg. noiseless faders and also some guitar effects). Due to its slow response this type of .
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