
PHOTOMULTlPLlER TUBE
R5505
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subject to change without notice. No patent rights are granted to any of the circuits described herein. 2001 Hamamatsu Photonics K.K.
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Stable Operation in High Magnetic Fields beyond 1 Tesla
25 mm (1 Inch) Diameter, Proximity Photocathode and Fine Mesh Dynodes
GENERAL
Parameter
Description/Value
300 to 650
420
±
50
Bialkali
17.5
Borosilicate glass
Plano-plano
Bialkali
Fine mesh
15
17-pin glass base
Unit
nm
nm
Spectral Response
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Effective Area
MateriaI
Shape
Secondary Emitting Surface
Structure
Number of Stages
mm dia.
Window
Dynode
SuitabIe Socket
E678-17A (supplied)
Electrodes
Ratio
SuppIy Voltage : 2000 V dc, K : Cathode, Dy : Dynode, P : Anode
K
Dy1
Dy2
Dy3
Dy4
Dy5
Dy6
Dy15
P
2
1
1
1
1
1
1
1
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
Base
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Value
2300
200
0.01
Supply Voltage
Unit
V dc
V dc
mA
R5506 (UV glass window) is also available.
CHARACTERISTlCS (at 25
°
C)
Parameter
Luminous (2856K)
Max.
Typ.
80
9.5
23
Min.
Cathode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread (FWHM)
Pulse Linearity (at 2 % Deviation)
Anode characteristics are measured with the voItage distribution ratio shown below.
NOTE:
Blue Sensitivity Index (CS 5-58)
Quantum Efficiency at 390nm
A/lm
μ
A/lm
1.5
5.6
0.35
180
ns
ns
ns
nA
mA
40
5.0
×
10
5
1.8
×
10
4
5.0
Time Response
Anode Sensitivity
30
Unit
%
At 0 tesla
At 1 tesla
Luminous (2856K)