R4330-02 Просмотр технического описания (PDF) - Hamamatsu Photonics
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R4330-02 Datasheet PDF : 4 Pages
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PHOTOMULTlPLlER TUBES R3310-02, R4330-02
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Value
Unit
Between Anode and Cathode
2200
Vdc
Between Anode and Last Dynode
250
Vdc
Average Anode Current A
Average Pulse Count Rate B
Average Cathode Current C
Ambient Temperature D
1
A
6 106
cps
10
pA
–80 to +50
CHARACTERISTlCS (at 25 )
Parameter
Cathode Sensitivity E
Quantum Efficiency
at 253.7nm (Hg-Line) R4330 Series
at 1000nm
Luminous F
Radiant at 253.7nm (Hg-Line) R4330 Series
at 852.1nm (Cs-Line)
at 900nm
at 1000nm
Red/White Ratio G
Min.
0.13
80
1.1
Typ.
15
0.25
150
30
9.4
8.1
2
0.4
Max.
Unit
%
%
A/lm
mA/W
mA/W
mA/W
mA/W
Anode Sensitivity H
Luminous F
Radiant at 253.7nm (Hg-Line) R4330 Series
at 852.1nm (Cs-Line)
at 900nm
at 1000nm
15
50
1.0 104
3.1 103
2.7 103
6.6 102
A/lm
A/W
A/W
A/W
A/W
Gain H
Equivalent Anode Dark Current J
3.3 105
5
20
nA
Anode Dark Current K
Single Photoelectron PHD (Peak to Valley Ratio)
30
150
cps
2.3
Time Response H
Anode Pulse Rise Time L
Electron Transit Time M
3.0
ns
23
ns
NOTES
A Averaged over any interval of 30 seconds maximum.
B Measured at single photoelectron level. The discriminator level is set at valley
point.
C In practical operation, the cathode current should be lower than 2pA to pre-
vent shortening the life of the photocathode.
D For cooling operation, another ceramic socket, type number E678-21D is rec-
ommended, because the teflon socket type number E678-21C supplied with the
tube is not suitable for cooling operation due to its high thermal expansion coef-
ficient. Alternatively, it is recommended to solder a resistor, capacitor, etc. di-
rectly on stem pins using a socket contact (100-2520S) supplied by Winchester.
E Supply voltage is 150 volts between the cathode and all other electrodes.
F The light source is a tungsten filament lamp operated at a distribution tempera-
ture of 2856K.
G The quotient of the cathode sensitivity measured with the light source is the
same as Note E passing through a red filter (Toshiba R-68) divided by the
cathode luminous sensitivity without the red filter.
H Measured with supply voltage and voltage distribution ratio in Table 1.
J Measured with supply voltage to provide the anode luminous sensitivity of 40
(A/lm) and the voltage distribution ratio in Table 1 after 30 minutes storage in the
darkness.
K Measured with supply voltage that gives 2 106 gain and with the voltage distri-
bution ratio shown in Table 1 after one hour storage in the cooler set at –20 .
The discriminator is set at 1/3 of a single photoelectron level.
L The rise time is the time it takes the output pulse to rise from 10% to 90% of the
peak amplitude when the entire photocathode is illuminated by a delta function
light pulse.
M The electron transit time is the interval between the arrival of a delta function
light pulse at the entrance window of the tube and the time when the output
pulse reaches the peak amplitude. In measurement the entire photocathode is
illuminated.
Warning–Personal Safety Hazards
Electrical Shock Operating voltages
applied to this device present a shock hazard.
Table 1:Voltage Distribution Ratio
Electrodes
K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Distribution Ratio 3 1.5 1 1 1 1 1 1 1 1 1
SuppIy Voltage : 1500Vdc, K : Cathode, Dy : Dynode, P : Anode
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