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PDF R3998-02 Data sheet ( Hoja de datos )
| Número de pieza | R3998-02 | |
| Descripción | PHOTOMULTlPLlER TUBE | |
| Fabricantes | Hamamatsu Corporation | |
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PHOTOMULTlPLlER TUBE
R3998–02
For High Energy Physics and Scintillation Counting,
28mm(1–1/8 Inch) Diameter, Low Profile,
Bialkali Photocathode, 9–Stage, Head–On Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
MateriaI
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Base
SuitabIe Socket
Description / Value
300 to 650
420
Bialkali
25
Borosilicate glass
Box(3) and Line(6)
9
14–pin glass base
E678–14C (Supplied)
Unit
nm
nm
mm dia.
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Avarage Anode Current
Ambient Temperature
Value
1500
250
0.1
–80 to +50
Unit
Vdc
Vdc
mA
CHARACTERISTlCS (at 25 )
Parameter
Cathode
Sensitivity
Luminous (2856K)
Radiant at 420nm
Blue (CS–5–58 filter)
Anode Sensitivity
Luminous (2856K)
Radiant at 420nm
Gain
Anode Dark Current (after 30min. storage in darkness)
Time Response
Anode Pulse Rise Time
Electron Transit Time
Min.
60
50
Typ.
90
85
10.5
120
1.1 105
1.3 106
2
3.4
23
NOTE: Anode characteristics are measured with the voItage distribution ratio shown below.
Max.
10
Unit
A/lm
mA/W
A/lm b
A/lm
A/W
nA
ns
ns
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
Electrodes K
G Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9
Ratio
3 1 1 1 1 1 1.5 1 1 1 1
SuppIy Voltage : 1000Vdc, K : Cathode, Dy : Dynode, P : Anode, G : Grid
P
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
lnformation furnished by HAMAMATS U is believed to be reliabIe. However, no responsibility is assumed for possibIe inaccuracies or commission. Specifications are
subjected to change without notice. No patent right are granted to any of the circuits described herein. © 1996 Hamamatsu Photonics K.K.
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