GENERAL
Parameter
Description
Unit
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Dynode
Base
Suitable Socket
nm
nm
--
mm dia.
--
--
--
--
--
300 to 650
420
Bialkali
46
Borosilicate glass
Circular cage
10
15-pin glass base
E678-15B (supplied)
Material
Minimum Effective Area
Structure
Number of Stages
PHOTOMULTIPLIER TUBE
R6644
MAXIMUM RATINGS (Absolute Maximum Values)
Ruggedized PMT, 51 mm (2 Inch) Diameter
Bialkali Photocathode, 10-Stage Head-on Type
CHARACTERISTICS (at 25
C)
Parameter
Min.
Unit
Parameter
Value
Unit
Supply Voltage
Average Anode Current
Ambient Temperature
1250
250
0.1
-80 to +50
V dc
V dc
mA
C
Between Anode and Cathode
Between Anode and Last Dynode
Cathode Sensitivity
Anode
Gain
Anode Dark Current (after 30 min storage in darkness)
Luminous (2856 K)
Blue Sensitivity Index (CS 5-58)
Luminous (2856 K)
70
--
10
--
--
90
10.5
45
5
10
5
5
A/lm
--
A/lm
--
nA
--
--
--
--
20
Typ.
Max.
Supply Voltage: 1000 V dc, K: Cathode, Dy: Dynode, P: Anode
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
Ratio
K
Dy1
2
Dy2
1
Dy3
1
Dy4
1
Dy5
1
Dy6
1
Dy7
1
Dy8
Dy9
Dy10
P
1
1
1
1
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
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. 2001 Hamamatsu Photonics K.K
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
Shock.........100 g's, 11
1 ms, 3 impact shocks per direction (6 directions)
Vibration.....20 g's, 50 to 2000 Hz, 1 oct per minute, 3 sweeps per axis (3 axes)
(Only initial production tubes are tested.)
ENVIRONMENTAL TESTING
PHOTOMULTIPLIER TUBE R6644
Figure 1: Typical Spectral Response
TPMH1154E03
OCT. 2001 IP
TPMHB0020EA
Figure 2: Typical Gain and Anode Dark Current
TPMHB0376EA
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
TPMHA0372EA
TACCA0201EA
Socket
(E678-15B)
BOTTOM VIEW
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
ANODE DARK CURRENT
GAIN
GAIN
SUPPLY VOLTAGE (V)
10
0
10
1
10
2
10
3
10
4
10
5
10
6
500
750
1000
1250
10
-12
10
-11
10
-10
10
-9
10
-8
10
-7
10
-6
ANODE DARK CURRENT (A)
10
-5
10
7
51.0 1.5
46MIN.
FACEPLATE
PHOTOCATHODE
80 2
13MAX.
15 PIN BASE
DY1
DY3
DY5
DY7
DY9
P
IC
IC
DY10
DY8
DY6
DY4
DY2
IC
K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SHORT PIN
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
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Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 E-mail: info@hamamatsu.de
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HOMEPAGE URL http://www.hamamatsu.com
50
60
40
4
45
2
5
11.5
40
5
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