R9875U_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – METAL PACKAGE PHOTOMULTIPLIER TUBE

METAL PACKAGE
PHOTOMULTIPLIER TUBE
R9875U, R9875P
For Ultraviolet Light Detection,
Compact Size (15.9 mm diameter, 14.2 mm seated length),
For Photon Counting (R9875P)
SPECIFICATIONS
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Window Material
Photocathode
Material
Minimum Effective Area
Structure
Dynode
Number of Stage
Material
Base
Weight
Operating Ambient Temperature
Storage Temperature
Suitable Socket
Suitable D Type Socket Assembly
Description / Value
160 to 320
240
Synthetic silica
Cs-Te
8
Metal Channel
10
Dy1: Cs-I, Others: Sb
12 pin base
6.5
-30 to +50
-80 to +50
E678-12-01 (Sold Separately)
E10679 (Sold Separately)
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Between Anode and Cathode
Supply Voltage _{Between Anode to Last Dynode}
Average Anode Current
Value
1250
60
0.01
CHARACTERISTICS (at 25 °C)
Parameter
Cathode Sensitivity
Radiant ^A
Quantum Efficiency ^A
Anode Sensitivity Radiant ^A
Gain
Anode Dark Current (after 30 min storage in darkness)
Dark Count ^BC
Min.
Typ.
16
25
8
13
1.6 × 10³ / 8.0 × 10^{3 B} 1.0 × 10⁴ / 2.5 × 10^{4 B}
1.0 × 10⁵ / 5.0 × 10^{5 B} 4.0 × 10⁵ / 1.0 × 10^{6 B}
—
0.01
—
15
Time Response
Anode Pulse Rise Time
Electron Transit Time
—
1.2
—
7
NOTE: AAt 254 nm BPhoton counting type (R9875P) CAt 1×10⁶ gain
Max.
—
—
—
—
0.1
50
—
—
VOLTAGE DISTRIBUTION RATIO
Electrodes
K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
1
1
1
1
1
1
1
1
1
1 0.5
Supply Voltage: 1000 V, K: Cathode, Dy: Dynode, P: Anode
Unit
nm
nm
—
—
mm
—
—
—
—
g
°C
°C
—
—
Unit
V
V
mA
Unit
mA/W
%
A/W
—
nA
s^-1
ns
ns
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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. ©2012 Hamamatsu Photonics K.K.