
PHOTOMULTIPLIER TUBE
R5912
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subject to change without notice. No patent rights are granted to any of the circuits described herein.
1998 Hamamatsu Photonics K.K.
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GENERAL
Parameter
Description/Value
300 to 650
420
Bialkali
530 (Min. 450)
Borosilicate glass
Box and Line
10
3
7
20-pin base JEDEC B20-102
Approx. 720
E678-20A (supplied)
Unit
nm
nm
—
cm
2
Typ.
—
—
—
pF
pF
—
g
—
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Dynode
Direct Interelectrode
Capacitances (Approx.)
Base
Weight
Suitable Socket
Material
Effective Area
Structure
Number of Stages
Anode to Last Dynode
Anode to All Other Dynode
CHARACTERISTICS (at 25
°
C)
Parameter
Luminous (2856K)
Radiant at 420nm
Blue (CS 5-58 filter)
Quantum Efficiency at 390nm
Luminous (2856K)
Radiant at 420nm
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
μ
A/lm
mA/W
μ
A/lm-b
%
A/lm
A/W
—
V
nA
kcps
ns
ns
ns
%
%
%
—
mA
mA
Cathode Sensitivity
Anode Sensitivity
1)
Gain
1)
Supply Voltage for Gain of 10
7
Anode Dark Current (after 30min. storage in darkness)
1)
Dark Count (after dark condition for 15 hours)
1)
Time Response
1)
Pre Pulse
4)
Late Pulse
3)
After Pulse
3)
Single Photoelectron
Pulse Linearity
2)
Magnetic characteristics
(at 200mG/20
μ
T)
1) Measured with the condition shown in the Table 1. 2) Measured with the condition shown in the Table 2.
3) Measured with 0.25 photoelectrons detection threshold (at single photoelectron/ event).
4) Measured with 0.25 photoelectrons detection threshold (at 50 photoelectron/ event).
Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread (FWHM)
3)
4ns to 20ns before Main pulse
8ns to 60ns after Main pulse
100ns to 16
μ
ns after Main pulse
PHD (Peak to Valley Ratio)
at
±
2% Deviation
at
±
5% Deviation
Sensitivity Degradation
—
70
72
9.0
22
700
7.2
×
10
5
1.0
×
10
7
1500
50
4
3.8
55
2.4
0.5
1.5
2
2.5
60
80
10
%
—
—
—
—
—
—
—
1800
700
8
—
—
—
2
3
10
—
—
—
—
Typ.
Max.
APPLICATIONS
For High Energy Physics