R2295 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R2295
For Photon Counting Applications
19 mm (3/4 Inch) Diameter, Bialkali Photocathode
Borosilicate Glass Window, 10-stage, Head-On Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Base
Suitable Socket
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Ambient Temperature
CHARACTERISTICS (at 25°C)
Parameter
Luminous (2856K)
Cathode Sensitivity
Radiant at 420nm
Blue (CS-5-58 filter)
Anode Sensitivity
Luminous (2856K)
Radiant at 420nm
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Dark Counts
Time Response
Anode Pulse Rise Time
Electron Transit Time
Description/Value
300 to 650
420
Bialkali
4
Borosilicate glass
Linear focused
10
12-pin glass base
E678-12L (supplied)
Value
1250
250
0.1
-80 to +50
Min.
50
—
—
—
—
—
—
—
—
—
Typ.
70
72
9.0
350
3.6 × 10⁵
5.0 × 10⁶
0.5
5
1.7
24
Max.
—
—
—
—
—
—
5
15
—
—
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
2
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Unit
Vdc
Vdc
mA
°C
Unit
µA/lm
mA/W
µA/lm-b
A/lm
A/W
—
nA
cps
ns
ns
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. _© 1999 Hamamatsu Photonics K.K.