R7154 반도체 회로 부품 판매점
PHOTOMULTIPLIER TUBE
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 Hamamatsu Corporation |
PHOTOMULTIPLIER TUBE
R7154
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 × 105A/W Typ.
APPLICATIONS
Emission Spectroscopy
UV Spectrophotometer
TPMSF0073
GENERAL
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
Weight
Suitable Socket
Suitable Socket Assembly
Description/Value
160 to 320
254
Unit
nm
nm
Cs-Te
8 × 24
Quartz
—
mm
—
Sb-Cs
Circular-cage
9
—
—
—
4
6
11-pin base
JEDEC No.B11-88
45
E678-11A(option)
E717-21(option)
pF
pF
g
—
—
Figure 1: Typical Spectral Response
TPMSB0128EA
100
CATHODE RADIANT
SENSITIVITY
10
1
QUANTUM
EFFICIENCY
0.1
0.01
100
200 300 400
WAVELENGTH (nm)
500
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
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
PHOTOMULTIPLIER TUBE R7154
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode CurrentA
Ambient Temperature
Rating
1250
250
0.1
-80 to +50
Unit
Vdc
Vdc
mA
°C
CHARACTERISTICS (at 25°C)
Parameter
Cathode sensitivity
Quantum Efficiency at 254 nm
Radiant at 254nm
Anode Sensitivity
Radiant at 254nm
Gain
Anode Dark CurrentF (After 30 minutes storage in the darkness)
ENI (Equivalent Noise Input)G
Time ResponseE
Anode Pulse Rise TimeH
Electron Transit TimeI
Transit Time Spread (TTS)J
Anode Current StabilityK
Light Hysteresis
Voltage Hysteresis
Min. Typ.
— 30
— 62
Max.
—
—
1.0 × 105 6.2 × 105
— 1.0 × 107
—1
— 9.1 × 10-17
—
—
10
—
— 2.2 —
— 22 —
— 1.2 —
— 0.1 —
— 1.0 —
Unit
%
mA/W
A/W
—
nA
W
ns
ns
ns
%
%
NOTES
A: Averaged over any interval of 30 seconds maximum.
B: The light source is a tungsten filament lamp operated at a distribution
temperature of 2856K. Supply voltage is 100 volts between the cath-
ode and all other electrodes connected together as anode.
C: Red/White ratio is the quotient of the cathode current measured us-
ing a red filter(Toshiba R-68) interposed between the light source
and the tube by the cathode current measured with the filter removed
under the same conditions as Note B.
D: The value is cathode output current when a blue filter(Corning CS-5-
58 polished to 1/2 stock thickness) is interposed between the light
source and the tube under the same condition as Note B.
E: Measured with the same light source as Note B and with the voltage
distribution ratio shown in Table 1 below.
Table 1: Voltage Distribution Ratio
Electrode K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 P
Distribution
Ratio
1111111111
Supply Voltage=1000Vdc
K:Cathode Dy:Dynode P:Anode
F: Measured with the same supply voltage and voltage distribution ratio
as Note E after removal of light.
G: ENI is an indication of the photon-limited signal-to-noise ratio. It re-
fers to the amount of light in watts to produce a signal-to-noise ratio
of unity in the output of a photomultiplier tube.
ENI = 2q·ldb·G·∆f
S
where q = Electronic charge (1.60 × 10-19 coulomb).
ldb = Anode dark current(after 30 minutes storage) in am-
peres.
G = Gain.
∆f = Bandwidth of the system in hertz. 1 hertz is used.
S = Anode radiant sensitivity in amperes per watt at the
wavelength of peak response.
H: The rise time is the time for 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.
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