Datasheet

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
Material
Photocathode
Minimum Effective Area
Window Material
Structure
Dynode
Number of Stages
Base
Suitable Socket
Description/Value
300 to 650
420
Bialkali
4
Borosilicate glass
Linear focused
10
12-pin glass base
E678-12L (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Value
1250
250
0.1
-80 to +50
Unit
Vdc
Vdc
mA
°C
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Ambient Temperature
CHARACTERISTICS (at 25°C)
Cathode Sensitivity
Anode Sensitivity
Parameter
Luminous (2856K)
Radiant at 420nm
Blue (CS-5-58 filter)
Luminous (2856K)
Radiant at 420nm
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Dark Counts
Anode Pulse Rise Time
Time Response
Electron Transit Time
Min.
50
—
—
—
—
—
—
—
—
—
Typ.
70
72
9.0
350
3.6 × 105
5.0 × 106
0.5
5
1.7
24
Max.
—
—
—
—
—
—
5
15
—
—
Unit
µA/lm
mA/W
µA/lm-b
A/lm
A/W
—
nA
cps
ns
ns
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
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.
PHOTOMULTIPLIER TUBE R2295
Figure 1: Typical Spectral Response
Figure 2: Typical Single Photoelectron Pulse
Height Distribution
TPMHB0035EA
1.0
COUNTS PER CHANNEL
CATHODE
RADIANT
SENSITIVITY
10
QUANTUM
EFFICIENCY
1
FULL SCALE (SIGNAL+DARK) : 1×104
FULL SCALE (DARK)
: 1×103
CATHODE RADIANT SENSITIVITY (mA / W)
QUANTUM EFFICIENCY (%)
100
TPMHB0057EA
0.8
SIGNAL+DARK
WAVELENGTH OF INCIDENT LIGHT
: 400nm
SUPPLY VOLTAGE
: 850Vdc
LOWER LEVEL DISCRI. : 70ch
SIGNAL+DARK COUNTS : 5000cps
DARK COUNTS
: 5cps
AMBIENT TEMPERATURE: +25°C
0.6
0.4
0.2
DARK
0.1
0
0
200
400
600
800
1000
CHANNEL NUMBER (ch)
0.01
200
400
600
800
WAVELENGTH (nm)
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
19±1
Socket
(E678-12L)
4MIN.
35
DY10 DY8
P
6 7
DY6
5
8
DY9 4
9 DY4
80±2
DY5
2
1
DY3
12
2-R4
360
13
10 DY2
11
K
DY1
9
DY7 3
2- 3.2
13
6.7
MASKED
PHOTOCATHODE
28.6
(23.6)
FACEPLATE
18
2
7
(8)
Bottom Vlew
9.5
10.5
HA COATING
3.3 3.7
2
SHORT PIN
13
12PIN BASE
13MAX.
18
TPMHA0027EA
TACCA0047EA
HAMAMATSU PHOTONICS K.K., Electron Tube Center
314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: (44)181-367-3560, Fax: (44)181-367-6384
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171-41 SOLNA, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01
Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741
TPMH1023E03
FEB. 1999
Similar pages