GENERAL
Parameter
Description/Value
Unit
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Dynode
Base
Suitable Socket
nm
nm
--
mm dia.
--
--
--
--
--
185 to 850
420
Multialkali
25
UV glass
Box and Grid
11
14-pin glass base
E678-14C (supplied)
Material
Minimum Effective Area
Structure
Number of Stages
PHOTOMULTIPLIER TUBE
R374
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.
Multialkali Photocathode for UV to Near IR Range,
28 mm (1-1/8 Inch) Diameter, 11-stage Head-On Type
CHARACTERISTICS (at 25
C)
Parameter
Min.
Unit
Parameter
Value
Unit
Supply Voltage
Average Anode Current
Ambient Temperature
1500
0.1
-80 to +50
Vdc
mA
C
Between Anode and Cathode
Cathode Sensitivity
Anode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Time Response
Luminous (2856K)
Red/White Ratio
Radiant at 420nm
Luminous (2856K)
Radiant at 420nm
Anode Pulse Rise Time
Electron Transit Time
80
--
--
20
--
--
--
--
--
150
0.2
64
80
3.4
10
4
5.3
10
5
3.0
15
60
A/lm
--
mA/W
A/lm
A/W
--
nA
ns
ns
--
--
--
--
--
--
15
--
--
Typ.
Max.
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
Ratio
K
Dy1
1
Dy2
1
Dy3
1
Dy4
1
Dy5
1
Dy6
1
Dy7
1
1
Dy8
Dy9
Dy10
Dy11
P
1
1
1
1
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
PHOTOMULTIPLIER TUBE R374
Figure 1: Typical Spectral Response
TPMH1255E01
MAR. 1999
TPMHB0605EA
Figure 2: Typical Gain Characteristics
TPMHB0606EA
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
TPMHA0016EC
TACCA0004EA
Socket
(E678-14C)
100
10
1
0.1
0.01
200
600
800
1000
400
WAVELENGTH (nm)
CA
THODE RADIANT
SENSITIVITY
(mA/W)
QUANTUM EFFICIENCY
(%)
CATHODE
RADIANT
SENSITIVITY
QUANTUM
EFFICIENCY
500
700
1000
1500
2000
10
8
10
7
10
6
10
5
10
4
10
3
10
2
SUPPLY VOLTAGE (V)
GAIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
IC
DY3
DY2
DY7
DY9
DY11
P
DY10
DY8
DY6
DY4
DY5
K
DY1
SHORT PIN
28.5
0.5
25MIN.
112
2
13MAX.
FACEPLATE
PHOTOCATHODE
14 PIN BASE
7
2.5
26
11.6
30
35
44
19.1
9
25
2- 3.5
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: 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
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