R669_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – 51 mm (2 Inch) Diameter, 10-stage, Head-on Type Extended Red Multialkali Photocathode

PHOTOMULTIPLIER TUBE
R669
51 mm (2 Inch) Diameter, 10-stage, Head-on Type
Extended Red Multialkali Photocathode
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Base
Operating Ambient Temperature
Storage Temperature
Suitable Socket
Description / Value
300 to 900
600
Extended Red Multialkali
46
Borosilicate glass
Box and Grid
10
15-pin glass base
-30 to +50
-80 to +50
E678-15C (supplied)
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Value
1500
250
0.1
CHARACTERISTICS (at 25 °C)
Parameter
Luminous (2856 K)
Cathode Sensitivity
Radiant at 420 nm
Red / White Ratio (R-68)
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
Min.
140
—
—
20
—
—
—
—
—
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
Typ.
230
50
0.35
75
1.7 × 10⁴
3.3 × 10⁵
7
9.0
70
Max.
—
—
—
—
—
—
15
—
—
Unit
nm
nm
—
mm
—
—
—
—
°C
°C
—
Unit
V
V
mA
Unit
µA/lm
mA/W
—
A/lm
A/W
—
nA
ns
ns
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
Electrodes
K
G Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
1
1
1
1
1
1
1
1
1
1
1
1
SuppIy Voltage: 1000 V, K: Cathode, G: Grid, 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. ©2014 Hamamatsu Photonics K.K.