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1999 Hamamatsu Photonics K.K.
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For Scintillation Counting and High Energy Physics
51mm(2 Inch) Diameter, Fast Time Response,
Bialkali Photocathode, 10–Stage, Head–On Type
GENERAL
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Avarage Anode Current
Ambient Temperature
Parameter
Value
1600
350
Description/Value
300 to 650
420
Bialkali
46
Borosilicate glass
Linear focused
10
Unit
nm
nm
Spectral Response
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Useful Size
Structure
Number of Stages
mm dia.
Window Material
14–pin base JEDEC No. B14–38
E678–14A(supplied)
Dynode
SuitabIe Socket
Base
Supply Voltage
0.1
-30 to +50
Unit
Vdc
Vdc
mA
°
C
CHARACTERISTlCS (at 25
°
C)
Parameter
Luminous (2856K)
Blue (CS 5–58 filter)
Max.
Typ.
90
10.5
Min.
60
Cathode
Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Transit Time Spread (FWHM)
Pulse Linearity (at 2% Deviation)
Measured with the special voltage distribution ratio "B".
NOTE:
Radiant at 420nm
Radiant at 420nm
Quantum Efficiency at 420nm
Luminous (2856K)
8.5
1.0
10
4
10
6
A/W
A/lm
A/lm
A/lm b
mA/W
%
90
ns
mA
nA
ns
85
26
20
Time Response
Electrodes
Ratio
SuppIy Voltage : 1250Vdc, 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
Anode characteristics are measured with the voItage distribution ratio "A" except for Pulse Linearity.
Anode Sensitivity
150
3.6
3.4
5
20
Unit
VOLTAGE DlSTRlBUTlON RATlO "A" AND SUPPLY VOLTAGE
Electrodes
Ratio
Capacitors( F)
SuppIy Voltage : 1500Vdc, K : Cathode, Dy : Dynode, P : Anode
K
Dy1
Dy2
Dy3
Dy4
Dy5
Dy6
Dy7
Dy8
Dy9
Dy10
P
2
1
1
1
1
1
1.2
0.01
1.5
0.01
2.2
0.01
3.6
0.01
3
0.02
SPECIAL VOLTAGE DlSTRlBUTlON RATlO "B" FOR PULSE LINEARITY MEASUREMENT
PHOTOMULTlPLlER TUBE
R2154–02