V I S I B L E D E T E C T O R
CdS photoconductive cell
Metal package type
Hermetically sealed for high reliability
CdS photoconductive cells utilize photoconductive effects in semiconductors that decrease their resistance when illuminated by light. These
sensors are non-polar resistive elements with spectral response characteristics close to the human eye (luminous efficiency), thus making their
operating circuits simple and small.
Features
Applications
Variety of package size
Sensor for office machine
Highly resistant to moisture and dust
Safety device for heating system and boiler
(flame monitor for oil burner)
Night/day check sensor and sunlight sensor for air conditioner
Alarm and safety sensor
Absolute maximum ratings / Characteristics (Typ. Ta=25 °C, unless otherwise noted)
ꢀ
Absolute maximum ratings
Characteristics *1
5
Resistance *2
Response time 10
*
Peak
sensitivity
wavelength
lp
lx
Power Ambient
Supply
4
*
100
10
g
Dimensional
outline
dissipation temperature
voltage
Rise time Fall time
tf
0 lx *3
Type No.
10 lx, 2856 K
P
Ta
tr
Min.
(kW)
Max.
(kW)
Min.
(MW)
(Vdc)
100
(mW)
(°C)
(nm)
(ms)
(ms)
100 to 10 lx
5M type (TO-18)
P1114-01
P1114-04
6M type (f5.5)
P930
630
570
13
15
39
45
1
60
40
25
20
➀
➁
30
50
-30 to +50
-30 to +70
0.80
10
150
560
7
23
0.5
0.68
60
90
8M type (TO-5)
P201B
-30 to +50
-30 to +60
560
520
21
20
14
4.4
8
63
60
43
13
24
3.7
20
10
0.85
0.90
25
30
20
10
100
50
P201D
200
100
P368
➂
➃
-30 to +50
620
20
0.85
35
20
P380
P467
-30 to +60
-30 to +80
520
560
5
0.90
0.55
50
70
20
100
P534
1.3
0.05
100
12M type (TO-8)
P621
150
400
570
540
1.3
5
3.7
15
0.3
1.0
0.75
0.80
80
40
40
30
300
-30 to +60
P3872
*1: All characteristics are measured after exposure to light (100 to 500 lx) for one to two hours.
*2: The light source is a standard tungsten lamp operated at a color temperature of 2856 K.
*3: Measured 10 seconds after removal of light of 10 lx.
*4: Typical gamma characteristics (within ±0.10 variations) between 100 lx to 10 lx
log (R100) - log (R10
)
γ 100
=
10
log (E100) - log (E10
)
E100, E10: illuminance 100 lx, 10 lx
R100, R10: resistance at 100 lx and 10 lx respectively
*5: The rise time is the time required for the sensor resistance to reach 63 % of the saturated conductance level (resistance
when fully illuminated). The fall time is the time required for the sensor resistance to decay from the saturated conductance
level to 37 %.
1