PHOTOMULTlPLlER TUBE
R2154鈥?2
For Scintillation Counting and High Energy Physics
51mm(2 Inch) Diameter, Fast Time Response,
Bialkali Photocathode, 10鈥揝tage, Head鈥揙n Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
MateriaI
Photocathode
Minimum Useful Size
Window Material
Structure
Dynode
Number of Stages
Base
SuitabIe Socket
Description/Value
300 to 650
420
Bialkali
46
Borosilicate glass
Linear focused
10
14鈥損in base JEDEC No. B14鈥?8
E678鈥?4A(supplied)
Unit
nm
nm
mm dia.
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Avarage Anode Current
Ambient Temperature
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Value
1600
350
0.1
-30 to +50
Unit
Vdc
Vdc
mA
擄C
CHARACTERISTlCS (at 25擄C)
Cathode
Sensitivity
Anode Sensitivity
Parameter
Luminous (2856K)
Blue (CS 5鈥?8 filter)
Radiant at 420nm
Quantum Efficiency at 420nm
Luminous (2856K)
Radiant at 420nm
Min.
60
Typ.
90
10.5
85
26
90
8.5 10
4
1.0 10
6
5
3.4
3.6
150
Max.
Unit
A/lm
A/lm b
mA/W
%
A/lm
A/W
nA
ns
ns
mA
20
Gain
Anode Dark Current (after 30min. storage in darkness)
20
Anode Pulse Rise Time
Time Response
Transit Time Spread (FWHM)
Pulse Linearity (at 2% Deviation)
Measured with the special voltage distribution ratio "B".
NOTE:
Anode characteristics are measured with the voItage distribution ratio "A" except for Pulse Linearity.
VOLTAGE DlSTRlBUTlON RATlO "A" AND SUPPLY VOLTAGE
K
Dy1
Dy2
Dy3
Dy4
Dy5
Dy6
Dy7
Dy8
Electrodes
Ratio
2
1
1
1
1
1
1
1
1
SuppIy Voltage : 1250Vdc,
K : Cathode, Dy : Dynode, P : Anode
Dy9
1
Dy10
1
P
SPECIAL VOLTAGE DlSTRlBUTlON RATlO "B" FOR PULSE LINEARITY MEASUREMENT
K
Dy1
Electrodes
Ratio
2
Capacitors( F)
SuppIy Voltage : 1500Vdc,
Dy2
1
1
Dy3
1
Dy4
1
Dy5
1
Dy6
Dy7
1.2
0.01
P : Anode
Dy8
Dy9
Dy10
P
1.5
2.2
3.6
3
0.01
0.01
0.01
0.02
K : Cathode,
Dy : Dynode,
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
Information furnished by HAMAMATS U 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.
漏
1999 Hamamatsu Photonics K.K.
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