VISIBLE DETECTOR
CdS photoconductive cell
Resin coating type (5R type)
Standard type designed for general-purpose, wide application
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
l
Small size, thin package
l
Low price
l
Wide range of sensor lineup
l
Programed electronic shutter and stroboscope light control
for compact camera
l
Auto dimmer for digital display, CRT and room illumination
l
Sensor for automatic light on/off
l
Sensor for electronic toy and teaching aid material
s
Absolute maximum ratings / Characteristics (Typ. Ta=25 °C, unless otherwise noted)
Peak
Power
Ambient
sensitivity
Supply
dissipation
temperature
wavelength
voltage
P
Ta
λp
(Vdc)
(mW)
50
30
(°C)
-30 to +60
-30 to +50
-30 to +60
-30 to +80
(nm)
520
620
Absolute maximum ratings
Characteristics *
1
Cell resistance *
2
0
lx
*
3
γ
100
*
4
10
Response time 10
lx
*
5
Rise time Fall time
tr
tf
(ms)
30
35
50
100
40
(ms)
10
20
40
150
30
Type No.
10
lx,
2856 K
Min.
Max.
Min.
(kΩ)
(kΩ)
(MΩ)
100 to 10
lx
P201D-5R
48
140
20
0.90
P380-5R
12
36
20
0.85
P722-5R
5.3
15
0.5
0.70
70
560
100
P1082-03
13
39
0.2
0.55
P1201
20
60
70
-30 to +80
540
5.0
0.75
P1201-01
30
90
*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 shutting off the 10
lx
light.
*4: Typical gamma characteristics (within ±0.10 variations) between 100
lx
to 10
lx
γ
100
=
10
log (R
100
) - log (R
10
)
log (E
100
) - log (E
10
)
E
100
, E
10
: illuminance 100
lx,
10
lx
R
100
, R
10
: 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 (when fully
illuminated). The fall time is the time required for the sensor resistance to decay from the saturated conductance level to
37 %.
CdS photoconductive cell
s
Cell resistance vs. illuminance
10000
(Typ. Ta=25 ˚C, light source: 2856 K)
Resin coating type (5R type)
s
Resistance vs. ambient temperature
(Typ. light source: 2856 K, 10
lx)
140
RELATIVE RESISTANCE (%)
CELL RESISTANCE (k
9
)
1000
P1201-01
P201D-5R
100
P1201
P1082-03
10
P722-5R
P380-5R
120
P380-5R
P201D-5R
100
P1082-03
P1201,P1201-01
80
P722-5R
1
0.1
1
10
100
60
-30 -20
0
20
40
60
80
ILLUMINANCE (lx)
KCDSB0016EA
AMBIENT TEMPERATURE (˚C)
KCDSB0017EA
s
Dimensional outline (unit: mm)
4.3 ± 0.2
3.4
ACTIVE AREA
0.5
LEAD
27 ± 2
KCDSA0001EA
2.5 MAX.
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2001 Hamamatsu Photonics K.K.
5.1 ± 0.2
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
Cat. No. KCDS1001E01
Apr. 2001 DN
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