PHOTOMULTlPLlER TUBES
R877, R877-01
For Scintillation Counting, 127mm(5 Inch) Diameter
Bialkali Photocathode, 10-Stage, Head-On Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
MateriaI
Photocathode
MateriaI
Minimum Effective Area
R877
Window
R877 01
Structure
Dynode
Number of Stages
Anode to Last Dynode
Direct Interelectrode
Capacitances
Anode to All Other Electrodes
Base
SuitabIe Socket
Description/Value
300 to 650
420
Bialkali
111
Borosilicate glass
K free Borosilicate glass
Box and Grid
10
6
7
14 pin base JEDEC No. B14 38
E678 14A(option)
Unit
nm
nm
mm dia.
pF
pF
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Avarage Anode Current
Ambient Temperature
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Value
1500
300
0.1
-30 to +50
Unit
Vdc
Vdc
mA
擄C
CHARACTERISTlCS (at 25擄C )
Cathode
Sensitivity
Anode Sensitivity
Parameter
Luminous (2856K)
Radiant at 420nm
Blue (CS 5 58 filter)
Luminous (2856K)
Radiant at 420nm
Min.
60
Typ.
80
80
10
40
4 10
4
5.0 10
5
10
10
90
Max.
Unit
A/lm
mA/W
A/lm b
A/W
A/W
nA
ns
ns
20
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
50
NOTE:
Anode characteristics are measured with the voItage distribution ratio shown below.
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
K
G
Dy1
Dy2 Dy3
Dy4 Dy5
Electrodes
Ratio
1
1
1
1
1
1
SuppIy Voltage : 1250Vdc,
K : Cathode, Dy : Dynode,
Dy6 Dy7
Dy8
Dy9 Dy10
1
1
1
1
1
1
P : Anode, G:Grid
P
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.
漏
1999 Hamamatsu Photonics K.K.
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