GENERAL
Parameter
Description/Value
Unit
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Dynode
Base
Suitable Socket
nm
nm
--
mm dia.
--
--
--
--
--
300 to 650
420
Bialkali
20
Borosilicate glass
Linear-focused
10
12-pin base JEDEC No. B12-43
E678-12A (supplied)
Material
Minimum Effective Area
Structure
Number of Stages
PHOTOMULTIPLIER TUBE
R4998
MAXIMUM RATINGS (Absolute Maximum Values)
Information furnished by HA MAM ATS 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.
Subject to local technical requirements and regulations, availability of products included in this promotional material may var y. Please consult with our sales office.
Fast Time Response, 25 mm (1 Inch) Diameter,
10-stage, Bialkali Photocathode, Head-On Type
CHARACTERISTICS (at 25
C)
Parameter
Min.
Unit
Parameter
Value
Unit
Supply Voltage
Average Anode Current
Ambient Temperature
2500
250
0.1
-30 to +50
Vdc
Vdc
mA
C
Between Anode and Cathode
Between Anode and Last Dynode
Cathode Sensitivity
Anode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Time Response
Luminous (2856K)
Radiant at 420nm
Blue (CS-5-58 filter)
Luminous (2856K)
Radiant at 420nm
Anode Pulse Rise Time
Electron Transit Time
60
--
--
100
--
--
--
--
--
70
72
9.0
400
4.1
10
5
5.7
10
6
100
0.7
10
A/lm
mA/W
A/lm-b
A/lm
A/W
--
nA
ns
ns
--
--
--
--
--
--
800
--
--
Typ.
Max.
Supply Voltage: 2250Vdc, K: Cathode, Dy: Dynode, P: Anode
Assembled type (H6533) is recommended.
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
Ratio
K
Dy1
G
1.3
Dy2
4.8
Dy3
1.2
Dy4
1.8
Dy5
1
Dy6
1
Dy7
1
1
Dy8
Dy9
Dy10
P
1
1.5
3
2.5
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
PHOTOMULTIPLIER TUBE R4998
Figure 1: Typical Spectral Response
TPMH1261E02
DEC. 1999
TPMHB0518EA
Figure 2: Typical Gain Characteristics
TPMHB0612EA
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
TPMHA0093EC
TACCA0009EB
Socket
(E678-12A)
200
800
600
400
0.01
0.1
1
10
100
WAVELENGTH (nm)
CATHODE RADIANT SENSITIVITY (mA/W)
QUANTUM EFFICIENCY (%)
CATHODE
RADIANT
SENSITIVITY
QUANTUM
EFFICIENCY
1000
500
1000
1500
2000 2500 3000
10
3
10
5
10
6
10
7
10
8
10
2
SUPPLY VOLTAGE (V)
GAIN
10
4
40
47
5
8
15
17
2- 3.2
34
1
2
3
4
5
12
18
P
DY1
DY3
DY5
DY7
(Acc)
DY9
DY10
DY8
DY6
DY4
DY2
G
K
13
14
15
16
17
A
TEMPORARY BASE REMOVED
B
BOTTOM VIEW
26
1
20 MIN.
71
1
13 MAX.
52 MIN.
FACEPLATE
PHOTO-
CATHODE
12 PIN BASE
JEDEC
No. B12-43
A
HA COATING
SMA
CONNECTOR
B
37.3
0.5
1
2
3
4
5
6
7
8
9
10
11
12
DY1
DY3
DY5
DY7
(Acc)
DY9
DY8
DY6
DY4
DY2
G
K
P
DY10
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: Smidesvgen 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
HOMEPAGE URL http://www.hamamatsu.com
PDF 
ZIP