Datasheet

PHOTOMULTIPLIER TUBE
R4998
Fast Time Response, 25 mm (1 Inch) Diameter,
10-stage, Bialkali Photocathode, 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
20
Borosilicate glass
Linear-focused
10
12-pin base JEDEC No. B12-43
E678-12A (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Value
2500
250
0.1
-30 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 Pulse Rise Time
Time Response
Electron Transit Time
Min.
60
—
—
100
—
—
—
—
—
Typ.
70
72
9.0
400
4.1 × 105
5.7 × 106
100
0.7
10
Max.
—
—
—
—
—
—
800
—
—
Unit
µA/lm
mA/W
µA/lm-b
A/lm
A/W
—
nA
ns
ns
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
K
G
Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10
P
Ratio
1.3
4.8
1.2
1.8
1
1
1
1
1
1.5
3
2.5
Supply Voltage: 2250Vdc, K: Cathode, Dy: Dynode, P: Anode
Assembled type (H6533) is recommended.
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 R4998
Figure 1: Typical Spectral Response
Figure 2: Typical Gain Characteristics
TPMHB0518EA
108
TPMHB0612EA
CATHODE
RADIANT
SENSITIVITY
107
10
106
QUANTUM
EFFICIENCY
GAIN
CATHODE RADIANT SENSITIVITY (mA/W)
QUANTUM EFFICIENCY (%)
100
1
105
104
0.1
103
0.01
200
400
600
800
102
500
1000
WAVELENGTH (nm)
1000
1500
2000 2500 3000
SUPPLY VOLTAGE (V)
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
26 ± 1
Socket
(E678-12A)
20 MIN.
A TEMPORARY BASE REMOVED
P
71 ± 1
DY9 5
2
13 MAX.
SMA
CONNECTOR
16 DY2
17
G
3
DY3
HA COATING
1 18
DY1
K
B BOTTOM VIEW
DY9
DY7
(Acc) 4
DY5
5
9 DY4
10
3
DY3
34
8
2
B
2- 3.2
DY10 DY8
P
6 7
DY6
DY2
11
1
DY1
12
8
52 MIN.
A
12 PIN BASE
JEDEC
No. B12-43
17
15 DY4
DY7 4
(Acc)
DY5
40
5
PHOTOCATHODE
47
DY10
12
DY8
13
14 DY6
15
FACEPLATE
G
K
37.3 ± 0.5
TPMHA0093EC
TACCA0009EB
HOMEPAGE URL http://www.hamamatsu.com
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(20)8-367-3560, Fax: 44(20)8-367-6384
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
TPMH1261E02
DEC. 1999
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