R6834 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTlPLlER TUBE

PHOTOMULTlPLlER TUBE
R6834
For Astrophysics and other ultraviolet radiation detection
28mm(1–1/8 Inch) diameter, 11–stage, Cs–Te photocathode
Solar blind response(160nm to 320nm), Head–on type
GENERAL
Spectral Response
Parameter
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Effective Area
Window MateriaI
Dynode
Suitable Socket
Structure
Number of Stages
Description / Value
160 to 320
240
Cs–Te
25
Synthetic silica
Box & Line
11
E678–14C (supplied)
Unit
nm
nm
mm dia.
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Value
Unit
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
1500
250
Vdc
Vdc
Average Anode Current
0.01
mA
CHARACTERISTlCS (at 25 )
Cathode Sensitivity
Anode Sensitivity
Parameter
Radiant at 254nm
Radiant at 254nm
Gain
Anode Dark Current (after 30min. storage in darkness)
Time Response
Anode Pulse Rise Time
Electron Transit Time
Min.
Typ.
28
1.4 10⁴
5.0 10⁵
0.3
4.0
30
NOTE: Anode characteristics are measured with the voItage distribution ratio shown below.
Max.
1.0
Unit
mA/W
A/W
nA
ns
ns
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 P
Ratio
1
1
1
1
1
1
1
1
1
1
1
1
SuppIy Voltage : 1000Vdc, K : Cathode, Dy : Dynode, P : Anode
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
lnformation furnished by HAMAMATS U is believed to be reliabIe. However, no responsibility is assumed for possibIe inaccuracies or commission. Specifications are
subjected to change without notice. No patent right are granted to any of the circuits described herein. _© 1997 Hamamatsu Photonics K.K.