R7723_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R7723, R7724, R7725
For Scintillation Counting, Fast Time Response
51mm (2 Inch) Diameter, Bialkali Photocathode, Head-on Type
SPECIFICATIONS
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Base
SuitabIe Socket
Operating Ambient Temperature
Storage Temperature
Description / Value
300 to 650
420
Bialkali
46
Borosilicate glass
Linear-focused
8 (R7723) / 10 (R7724) / 12 (R7725)
21-pin glass base
E678-21C (supplied)
-30 to +50
-80 to +50
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Between Anode and Cathode
Voltage Between Anode and Last Dynode
Average Anode Current
Value
2000
500
0.2
CHARACTERISTICS (at 25 °C)
Cathode
Sensitivity
Parameter
Luminous (2856 K)
Quantum Efficiency at 420 nm
Blue Sensitivity Index (CS 5-58)
Min.
60
—
—
R7723
Typ.
90
26
10.5
Max.
—
—
—
Min.
60
—
—
Anode Sensitivity Luminous (2856 K)
10
90
—
30
Gain
— 1.0 × 10⁶ —
—
Anode Dark Current (after 30 min storage in darkness) —
3
20
—
Time
Response
Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread (T.T.S.)
—
—
—
1.7
23
1.1
—
—
—
—
—
—
Pulse
±2 % Deviation
—
80
—
—
Linearity
±5 % Deviation
—
100
—
—
NOTE: Anode characteristics are measured with voltage distribution ratios shown below:
R7724
Typ.
90
26
10.5
300
3.3 × 10⁶
6
2.1
29
1.2
60
90
Max.
—
—
—
—
—
40
—
—
—
—
—
Min.
60
—
—
100
—
—
—
—
—
—
—
R7725
Typ.
90
26
10.5
600
6.7 × 10⁶
9
2.5
35
1.3
40
80
Max.
—
—
—
—
—
60
—
—
—
—
—
Unit
nm
nm
—
mm
—
—
—
—
—
°C
°C
Unit
V
V
mA
Unit
µA/lm
%
—
A/lm
—
nA
ns
ns
ns
mA
mA
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
R7723
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 P
Ratio
4
1
2
1
1
1
1
2
1
R7724
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
4
1
2
1
1
1
1
1
1
2
1
R7725
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 Dy12 P
Ratio
4
1
2
1
1
1
1
1
1
1
1
2
1
SuppIy Voltage: 1750 V, K: Cathode, Dy: Dynode, P: Anode
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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. ©2015 Hamamatsu Photonics K.K.