
WAVELENGTH (nm)
C
Q
100
300
200
400
500
0.01
0.1
1
10
100
CATHODE RADIANT
SENSITIVITY
QUANTUM
EFFICIENCY
Unit
nm
nm
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Secondary Emitting Surface
Structure
Number of Stages
Direct Interelectrode Capacitances
Anode to Last Dynode
Anode to All Other Electrodes
Base
160 to 320
254
Cs-Te
8
×
24
Quartz
—
mm
—
Sb-Cs
—
—
—
Circular-cage
9
4
6
pF
pF
11-pin base
JEDEC No.B11-88
45
E678-11A(option)
E717-21(option)
Weight
Suitable Socket
Suitable Socket Assembly
g
—
—
Figure 1: Typical Spectral Response
Description/Value
High Sensitivity Solar Blind Photocathode (160 to 320 nm)
28mm (1-1/8 Inch) Diameter, 9-Stage, Side-On Type
FEATURES
Spectral Response ........................... 160 to 320 nm
Cathode Sensitivity
Radiant at 254 nm .......................... 62mA/W Typ.
Quantum Efficiency at 254 nm.....................30 %
Anode Sensitivity (at 1000V)
Radiant at 254 nm ................... 6.2
×
10
5
A/W Typ.
APPLICATIONS
Emission Spectroscopy
UV Spectrophotometer
TPMSB0128EA
TPMSF0073
GENERAL
PHOTOMULTIPLIER TUBE
R7154
Information furnished by HAMAMATSU 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. 1997 Hamamatsu Photonics K.K
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