Datasheet

PHOTOMULTIPLIER TUBE
R2257
For Visible to Near IR Low Light Detections
Extended Red Multialkali Photocathode
51mm (2 Inch) Diameter, 12-stage, Head-on Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
MateriaI
Photocathode
Minimum Effective Area
Window Material
Structure
Dynode
Number of Stages
Anode to Last Dynode
Direct Interelectrode
Anode to All Other Electrodes
Capacitances
Operating Ambient Temperature
Storage Temperature
Base
Suitable Socket
Description / Value
300 to 900
600
Extended red multialkali
46
Borosilicate glass
Linear focused
12
2
2.5
-30 to +50
-80 to +50
21-pin glass base
E678-21C (supplied)
Unit
nm
nm
—
mm
—
—
—
pF
pF
°C
°C
—
—
Value
2700
500
0.2
Unit
V
V
mA
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
CHARACTERISTICS (at 25 °C)
Cathode Sensitivity
Anode Sensitivity
Parameter
Luminous (2856 K)
Radiant at 600 nm
Red / White Ratio (R-68 filter)
Luminous (2856 K)
Radiant at 600 nm
Gain
Anode Dark Current (after 30 min. storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
Min.
140
—
—
15
—
—
—
—
—
Typ.
230
50
0.35
100
2.2 × 104
4.3 × 105
30
2.6
48
Max.
—
—
—
—
—
—
100
—
—
Unit
µA/lm
mA/W
—
A/lm
A/W
—
nA
ns
ns
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
K
G
Dy1 Dy2
Dy3 Dy4
Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 Dy12
Electrodes
Ratio
4
0
1
1.4
1
1
1
1
1
1
1
1
1
1
SuppIy Voltage: 1500 Vdc, K: Cathode, Dy: Dynode, G: Grid, P: Anode
P
∗Shield is connected to Dy5.
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 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. ©2010 Hamamatsu Photonics K.K.
PHOTOMULTIPLIER TUBE R2257
Figure 1: Typical Spectral Response
TPMHB0341EB
108
CATHODE
RADIANT
SENSITIVITY
TPMHB0355EB
107
101
106
QUANTUM
EFFICIENCY
100
GAIN
CATHODE RADIANT SENSITIVITY (mA/W)
QUANTUM EFFICIENCY (%)
102
Figure 2: Typical Gain Characteristics
105
104
10-1
103
10-2
200
300
400
500
600
700
800
900
102
500
1000
700
1000
1500
2000 2500 3000
SUPPLY VOLTAGE (V)
WAVELENGTH (nm)
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
FACEPLATE
Socket E678-21C
(Supplied)
52 ± 1
46 MIN.
51
126 ± 2
SH IC DY10
IC
DY8
DY12 9 10 11 1213 DY6
14
P 8
DY4
15
7
DY11 6
16 DY2
DY9 5
17 G
18 IC
DY7 4
19
3
2 1 2120 IC
DY5
DY3
IC
DY1
K
56.8
19
PHOTOCATHODE
R5
BOTTOM VIEW
(BASING DIAGRAM)
5
13
6.5
4
21 PIN BASE
13 MAX.
∗ CONNECT SH TO DY5
TPMHA0359EB
TACCA0066EC
HAMAMATSU PHOTONICS K.K.
www.hamamatsu.com
HAMAMATSU PHOTONICS K.K., Electron Tube Division
314-5, Shimokanzo, Iwata City, Shizuoka Pref., 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 E-mail: [email protected]
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 E-mail: [email protected]
France: Hamamatsu Photonics France S.A.R.L.: 19, 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 E-mail: [email protected]
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW, United Kingdom, Telephone: 44-(0)1707-294888, Fax: 44(0)1707-325777 E-mail: [email protected]
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 E-mail: [email protected]
TPMH1141E03
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 E-mail: [email protected]
DEC. 2010 IP
Similar pages