參數(shù)資料
型號： R2228
廠商： Hamamatsu Photonics
英文描述： PHOTOMULTlPLlER TUBE
中文描述： PHOTOMULTlPLlER管
文件頁數(shù)： 1/2頁
文件大?。?/td> 22K
代理商： R2228
For Visible to Near IR Low Light Detection
Extended Red Multialkali Photocathode
28mm(1–1/8 Inch) Diameter, 11–stage, Head–On Type
GENERAL
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Avarage Anode Current
Parameter
Value
1500
250
Description/Value
300 to 900
600
Extended red multialkali
25
Borosilicate glass
Box–and –grid
11
3.0
Unit
nm
nm
Spectral Response
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Effective Area
Structure
Number of Stages
Anode to Last Dynode
Anode to All Other Electrodes
mm dia.
pF
pF
Window Material
Dynode
Direct Interelectrode
Capacitances
Base
SuitabIe Socket
Supply Voltage
Ambient Temperature
–80 to +50
0.1
Unit
Vdc
Vdc
mA
3.5
14–pin glass base
E678–14C(supplied)
CHARACTERISTlCS (at 25 )
Parameter
Luminous (2856K)
Max.
Typ.
200
40
0.3
150
Min.
100
Cathode
Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Electron Transit Time
Anode characteristics are measured with the voItage distribution ratio shown below.
NOTE:
Radiant at 600nm
Red/White Ratio (R–68)
Luminous (2856K)
Radiant at 600nm
3.0
7.5
10
4
10
5
mA/W
A/W
A/lm
A/lm
15
60
ns
ns
nA
20
Time Response
Electrodes
Ratio
SuppIy Voltage : 1000Vdc, K : Cathode, Dy : Dynode, P : Anode, G:Grid
K
Dy1
G
Dy2
Dy3
Dy4
Dy5
Dy6
Dy7
Dy8
Dy9
Dy10
Dy11
P
1
1
1
1
1
1
1
1
1
1
1
1
Anode
Sensitivity
8
30
Unit
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
PHOTOMULTlPLlER TUBE
R2228
lnformation furnished by HAMAMATSU 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.
1992 Hamamatsu Photonics K.K.
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
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