R5070 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTlPLlER TUBE
R5070
Compact, 25 mm(1 Inch) Diameter
Good Near IR Response with Prismatic Window
10–stage, Head–On Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
MateriaI
Minimum Effective Area
Dynode
Direct Interelectrode
Capacitances
Base
Structure
Number of Stages
Anode to Last Dynode
Anode to All Other Electrodes
SuitabIe Socket
Description / Value
300 to 900
420
Multialkali
21
Borosilicate glass
Circular–cage
10
1.2
1.8
14–pin glass base
E678–14C (supplied)
Unit
nm
nm
mm dia.
pF
pF
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Avarage Anode Current
Ambient Temperature
Value
1250
250
0.1
–80 to +50
Unit
Vdc
Vdc
mA
°C
CHARACTERISTlCS (at 25 °C)
Parameter
Luminous (2856 K)
Cathode Sensitivity Radiant at 420 nm
Blue Sensitivity Index (CS 5-58)
Anode Sensitivity
Luminous (2856 K)
Radiant at 420 nm
Gain
Anode Dark Current (after 30 min storage in darkness)
Time Response
Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread(FWHM)
Min.
130
20
Typ.
230
65
0.25
100
2.8 × 10⁴
4.3 × 10⁵
3
2.2
19
1.1
NOTE: Anode characteristics are measured with the voItage distribution ratio shown below.
Max.
20
Unit
µA/lm
mA/W
A/lm
A/W
nA
ns
ns
ns
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
Electrodes
K
Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
3
1
1
1
1
1
1
1
1
1
1
SuppIy Voltage: 1000 V dc, K: Cathode, Dy: Dynode, P: Anode
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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. ©2001 Hamamatsu Photonics K.K