GENERAL
Parameter
Description/Value
Unit
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Dynode
nm
nm
--
mm dia.
--
--
--
300 to 650
375
High temp. bialkali
15
Borosilicate glass
Circular-cage
10
Material
Minimum Effective Area
Structure
Number of Stages
PHOTOMULTIPLIER TUBE
R3991
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.
Ruggedized, High Temperature (175
C) PMT for Oil Well Logging (MWD)
19 mm (3/4 Inch) Diameter, 10-stage, Head-On Type
CHARACTERISTICS (at 25
C)
Parameter
Min.
Unit
Parameter
Value
Unit
Supply Voltage
Average Anode Current
Ambient Temperature
1800
250
0.02
-80 to +175
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)
Blue (CS-5-58 filter)
Luminous (2856K)
Anode Pulse Rise Time
Electron Transit Time
20
4
5
--
--
--
--
40
6
15
3.75
10
5
0.1
*
1.0
13
A/lm
A/lm-b
A/lm
--
nA
ns
ns
--
--
--
--
10
--
--
Typ.
Max.
Supply Voltage: 1500Vdc, K: Cathode, Dy: Dynode, P: Anode
Shock
1000g's, 0.5ms, 3 impact shocks per direction (6 directions)
Vibration
30g's, 50 to 2000Hz, 1 oct per minute, 3 sweeps per axis (3 axes)
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
ENVIRONMENTAL TESTING
Electrodes
Ratio
K
Dy1
3
Dy2
1
Dy3
1
Dy4
1
Dy5
1
Dy6
1
Dy7
1
1
Dy8
Dy9
Dy10
P
1
1
1
*
1000nA at 175
C
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
PHOTOMULTIPLIER TUBE R3991
Figure 1: Typical Spectral Response
TPMH1250E01
FEB. 1999
TPMHB0061EA
Figure 2: Typical Gain Characteristics
TPMHB0601EA
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
TPMHA0361EA
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
10-
1
700
400
300
200
10
2
10
0
10
1
WAVELENGTH (nm)
CATHODE RADIANT SENSITIVITY (mA/W)
QUANTUM EFFICIENCY (%)
at 25
C
CATHODE
RADIANT
SENSITIVITY
QUANTUM
EFFICIENCY
600
500
DY1
DY3
DY5
DY7
P
DY9
DY2
K
1
2
3
4
5
6
7
8
9
10
11
12
DY10
DY8
DY6
DY4
B
Bottom View
A
Temporary Base Removed
18.6
0.7
15MIN.
13MAX.
28.0
1.5
45MIN.
FACEPLATE
PHOTOCATHODE
SEMIFLEXIBLE
LEADS 0.7MAX.
12 PIN BASE
JEDEC
No. B12-43
A
B
37.3
0.5
DY1
DY3
DY5
DY7
P
DY9
DY10
DY8
DY6
1
2
3
4
5
6
9
10
11
13
14
12
DY4
K
DY2
500
600
700 800
1000
1500
1800
10
7
10
6
10
5
10
4
10
3
10
2
10
1
SUPPLY VOLTAGE (V)
GAIN
at 25
C
TACCA0009EB
40
47
5
8
15
17
2- 3.2
34
Socket (Option)
(E678-12A)
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