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12mm CDS PHOTORESISTORS: download pdf
 
TYPE
VDCmax

Pmax
(mW)

Ambient Temp
(Celsius)

Spectral Peak
(nm)

Light Resistance (10Lx)(Kohm)

Dark Resistance
(Mohm)

Gamma Response Time (ms)
Rise Decay
PGM1200 250 250 -30~+70 560 2~5 1.0 0.6 30 40
PGM1201 250 250 -30 ~ +70 560 4 ~ 10 2.0 0.7 30 30
PGM1202 250 250 -30 ~ +70 560 8 ~ 20 5.0 0.7 30 30
PGM1203 250 250 -30 ~ +70 560 18 ~ 50 10 0.8 30 30
PGM1204 250 250 -30 ~ +70 560 45 ~ 150 20 0.8 30 30
PGM1205 250 250 -30 ~ +70 560 140 ~ 300 20 0.8 30 30

Measuring Conditions

 

1.Light Resistance:
Measured at 10 lux with standard light A (2854K-color temperature) and 2hr preillumination at 400-600 lux prior testing.

2.Dark Resistance :
Measured 10 seconds after closing 10 lux

3. Gamma characteristic:
At 10 lux and 100 lux and give by

Gamma=log(R10/R100)/log(R100/R10)=log(R10/R100)

R10,R100:resistance at 10lux and 100lux.

4. Pmax:

Max power dissipation at ambient temperature of 25 Celsius Degree.At higher ambient temperature,the maximum power permissible may be lowered.
5. Vmax:
Max voltage in darkness that may be applied to the cell continuously.
6. Spectral peak:
Spectral sensitivity of photoresistors depends on the wavelenth of light they are exposed to and in accordence with the fig right. The tolerance of spectral peak is±50nm.
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