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photoconductive cell. P722-5R Datasheet |
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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
l Small size, thin package
l Low price
l Wide range of sensor lineup
Applications
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)
Absolute maximum ratings
Characteristics *1
Type No.
Supply
voltage
Power
dissipation
P
Ambient
temperature
Ta
Peak
sensitivity
wavelength
λp
Cell resistance *2
10 lx, 2856 K
0 lx *3
γ
100
10
*4
Response time 10 lx *5
Rise time Fall time
tr tf
Min. Max. Min.
(Vdc) (mW)
(°C)
(nm)
(kΩ)
(kΩ)
(MΩ) 100 to 10 lx (ms)
(ms)
P201D-5R
50 -30 to +60 520 48 140 20 0.90 30
10
P380-5R
30 -30 to +50 620
12
36
20 0.85 35
20
P722-5R
P1082-03
100
70
-30 to +60
-30 to +80
560
5.3
13
15
39
0.5 0.70 50
40
0.2 0.55 100 150
P1201
P1201-01
70 -30 to +80 540
20
30
60
90
5.0 0.75 40
30
*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 (R100) - log (R10)
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 (when fully
illuminated). The fall time is the time required for the sensor resistance to decay from the saturated conductance level to
37 %.
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CdS photoconductive cell Resin coating type (5R type)
sCell resistance vs. illuminance
10000
(Typ. Ta=25 ˚C, light source: 2856 K)
sResistance vs. ambient temperature
(Typ. light source: 2856 K, 10 lx)
140
1000
100
10
P1201
P1201-01
P201D-5R
P380-5R
P1082-03
P722-5R
1
0.1 1 10
ILLUMINANCE (lx)
sDimensional outline (unit: mm)
ACTIVE AREA
100
KCDSB0016EA
120
P380-5R
P201D-5R
100
P1082-03
P1201,P1201-01
80
P722-5R
60
-30 -20
0
20 40 60
AMBIENT TEMPERATURE (˚C)
80
KCDSB0017EA
5.1 ± 0.2
3.4
0.5
LEAD
KCDSA0001EA
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.
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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