For an Operation in High Magnetic Fields over 1 Tesla
76mm(3 Inch) HeadOn, Fast Time Response, High Pulse Linearity
19stage Fine Mesh Dynodes, Bialkali Photocathode
GENERAL
Parameter
Description / Value
Unit
Spectral Response
300 to 650
nm
Wavelength of Maximum Response
420 50
nm
Photocathode
MateriaI
MateriaI
Shape
Secondary Emitting Surface
Bialkali
Structure
Number of Stages
Minimum Effective Area
64
mm dia.
Window
Borosilicate glass
Dynode
Planoplano
Bialkali
Fine mesh
19
Electrodes
K
Dy1
Dy2
Dy3
Dy4
Dy5
Dy6
Dy19
P
Ratio
2
1
1
1
1
1
1
1
SuppIy Voltage : 2000Vdc, K : Cathode, Dy : Dynode, P : Anode
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Value
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
2300
200
Unit
Vdc
Vdc
mA
Average Anode Current
0.1
PC board breeder assembly type is also available.
CHARACTERISTlCS (at 25 )
Parameter
Max.
Typ.
Min.
Cathode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Blue (CS558 filter)
Quantum Efficiency at 390nm
1 . 7
1 0
5
A/lm
A/lm
A/lm b
Anode Pulse Rise Time
2.9
ns
nA
mA
Transit Time Spread (FWHM)
Transit Time
70
9.0
22
700
Time Response
Pulse Linearity (at 2% Deviation)
Anode Sensitivity
12.3
0.5
1000
80
400
Unit
%
ns
ns
1 . 0
1 0
7
Luminous (2856K)
At 0 tesla
At 1 tesla
Luminous (2856K)
Anode characteristics are measured with the voItage distribution ratio shown below.
NOTE:
PHOTOMULTlPLlER TUBE
R5542
lnformation furnished by HA MAM ATS 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.
Subject to local technical requirements and regulations, availability of products included in this promotional material may var y. Please consult with our sales office.
PHOTOMULTlPLlER TUBE R5542
Figure 1: Typical Spectral Response
Figure 2: Typical Gain in Magnetic Fields
(Parallel to Tube Axis)
TPMH1099E03
APR. 1996
Figure 3: Dimensional Outline and Basing Diagram (Unit : mm)
TPMHB0204EA
200
800
600
400
0.01
0.1
1
10
100
CATHODE RADIANT SENSITIVITY (mA/W)
QUANTUM EFFICIENCY (%)
WAVELENGTH (nm)
CATHODE
RADIANT
SENSITIVITY
QUANTUM
EFFICIENCY
TPMHB0249EA
0
0.25
0.50
0.75
1.0
1.25
1.5
MAGNETIC FIELD (Tesla)
10
3
10
2
10
1
10
0
10
1
RELATIVE GAIN
SUPPLY VOLTAGE : 2000V
45deg.
30deg.
0deg.
MAGNETIC
FIELD
TPMHA0264EA
13MAX.
55 2
FACEPLATE
78 1
64MIN.
PHOTOCATHODE
HA COATING
1 24
2
3
4
5
6
7
9
8
11
13
14
15
16
17
18
19
20
21
10
K
DY1
DY3
DY5
DY7
DY9
DY11
DY13
DY15
DY17
DY19
P
DY18
DY16
DY14
DY12
DY10
DY8
DY6
DY4
DY2
BOTTOM VIEW
55
SEMIFLEXIBLE
LEADS 0.9
HAMAMATSU PHOTONICS K.K., Electoron Tube Center
314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218
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