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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.
1999 Hamamatsu Photonics K.K.
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PHOTOMULTlPLlER TUBE
R2066
38mm(1–1/2 Inch) Diameter, Extended Red Multialkali
Photocathode Spectral Response 300 to 900 nm
GENERAL
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Avarage Anode Current
Ambient Temperature
Parameter
Value
1500
250
Description/Value
300 to 900
600
Extended Red Multialkali
34
Borosilicate
Circular–cage
10
3
4
E678–12A(supplied)
Unit
nm
nm
Spectral Response
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Effective Area
Structure
Number of Stages
Anode to Last Dynode
Anode to All Other Electrodes
mm dia.
pF
pF
Window Material
Dynode
Direct Interelectrode
Capacitances
Suitable Socket
Supply Voltage
0.2
Unit
Vdc
Vdc
mA
°
C
-30 to 50
CHARACTERISTlCS (at 25
°
C)
Parameter
Luminous (2856K)
Max.
Typ.
200
0.3
50
Min.
120
Cathode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Electron Transit Time
Anode characteristics are measured with the voItage distribution ratio shown below.
NOTE:
Red/White Ratio (R–68 filter)
Luminous (2856K)
2.8
40
ns
ns
nA
20
Time Response
Electrodes
Ratio
SuppIy Voltage : 1000Vdc, K : Cathode, Dy : Dynode, P : Anode
K
Dy1
Dy2
Dy3
Dy4
Dy5
Dy6
Dy7
Dy8
Dy9
Dy10
P
2
1
1
1
1
1
1
1
1
1
1
A/lm
A/lm
Anode Sensitivity
8
30
Unit
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
2.5
10
5