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PDF R2368 Data sheet ( Hoja de datos )
| Número de pieza | R2368 | |
| Descripción | PHOTOMULTlPLlER TUBE | |
| Fabricantes | Hamamatsu Corporation | |
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PHOTOMULTIPLIER TUBE
R2368
TRANSMISSION MODE PHOTOCATHODE
Good Spatial Uniformity, Wide Angle of Radiant Input
Multialkali Photocathode
For UV-Visible Spectrophotometers and General Applications
R2386 is a 28mm (1-1/8 Inch) diameter, side-on photomultiplier tube having a trans-
mission mode multialkali photocathode. The transmission mode photocathode off-
ers better spatial uniformity and wider angle of radiation input than conventional
side-on tubes which have opaque photocathodes (reflection mode photocathode).
Also, this type of photocathodes is independent of polarized light.
The R2368 has a 9-stage dynode which provides high gain and employs an HA
Coating for noise reduction and an "Anti-hysteresis design".
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Material
Useful Area (Minimum)
Dynode
Structure
Number of Stages
Base
Suitable Socket
Suitable Socket Assembly
Direct Interelectrode Anode to Last Dynode
Capacitance
Anode to All Other Electrodes
Description/Value
185 to 850
420
Multialkali
16 × 18
UV glass
Circular-cage
9
JEDEC No. B11-88
E678-11A
E717-05
1.2
3.4
Unit
nm
nm
—
mm
—
—
—
—
—
pF
pF
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Value
Supply Voltage
Anode and Cathode
Anode and Last Dynode
Average Anode Current (NOTE 1)
Ambient Temperature
1250
250
0.1
-80 to +50
Unit
V
V
mA
°C
CHARACTERISTICS (at 25°C)
Parameter
Anode Luminous Sensitivity (NOTE 2, 3)
Cathode Luminous Sensitivity (NOTE 4)
Cathode Red/White Ratio (NOTE 5)
Gain (NOTE 2)
Anode Dark Current (NOTE 2)
Anode Pulse Rise Time (NOTE 2, 6)
Current Hysteresis (NOTE 7)
Voltage Hysteresis (NOTE 7)
Min.
50
80
—
—
—
—
—
—
Typ.
200
150
0.15
1.3 × 106
5
1.2
0.1
1.0
Max.
—
—
—
—
50
—
—
—
Unit
A/lm
µA/lm
—
—
nA
ns
%
%
Figure 1: Typical Spectral Response
TPMSB0148EA
100
CATHODE
RADIANT
SENSITIVITY
10
QUANTUM
EFFICIENCY
1
0.1
0.01
200
400 600 800
WAVELENGTH (nm)
1000
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 HAMAMATS U 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. © 1998 Hamamatsu Photonics K.K.
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