R3998-02_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER 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
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)
Supply Voltage
Average Anode Current
Ambient Temperature
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Value
1500
250
0.1
-80 to +50
Unit
V dc
V dc
mA
°C
CHARACTERISTICS (at 25 °C)
Parameter
Min.
Luminous (2856 K)
60
Cathode Sensitivity
Radiant at 420 nm
—
Blue (CS 5-58 filter)
—
Anode Sensitivity
Luminous (2856 K)
Radiant at 420 nm
50
—
Gain
—
Anode Dark Current (after 30 min storage in darkness)
—
Time Response
Anode Pulse Rise Time
Electron Transit Time
—
—
NOTE: Anode characteristics are measured with the voItage distribution ratio shown below.
Typ.
90
85
10.5
120
1.1 × 10⁵
1.3 × 10⁶
2
4.4
32
Max.
—
—
—
—
—
—
10
—
—
Unit
µA/lm
mA/W
µA/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
P
Ratio
3
1
1
1
1
1
1.5
1
1
1
1
SuppIy Voltage: 1000 V, K: Cathode, Dy: Dynode, P: Anode, G: Grid
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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. ©2014 Hamamatsu Photonics K.K.