GENERAL
Parameter
Description/Value
300 to 650
420
Bialkali
46
Borosilicate glass
Plano-concave
Linear focused
12
21-pin glass base
E678-21A (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
—
—
Spectral Response
Wavelength of Maximum Response
Photocathode
Window
Dynode
Base
Suitable Socket
Material
Minimum Effective Area
Material
Shape
Structure
Number of Stages
PHOTOMULTIPLIER TUBE
R329-02
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Average Anode Current
Ambient Temperature
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.
1999 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.
For Scintillation Counting, Fast Time Response
51 mm (2 Inch) Diameter, Bialkali Photocathode, 12-stage Head-On Type
CHARACTERISTICS (at 25
°
C)
Parameter
Luminous (2856K)
Blue (CS 5-58 filter)
Radiant at 420nm
Luminous (2856K)
Radiant at 420nm
Min.
60
—
—
30
—
—
—
—
—
—
—
—
Unit
μ
A/lm
μ
A/lm-b
mA/W
A/lm
A/W
—
nA
ns
ns
ns
mA
mA
Value
2700
0.2
-80 to +50
Unit
Vdc
mA
°
C
Between Anode and Cathode
Cathode Sensitivity
Anode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Time Response
Pulse Linearity
Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread (T.T.S.)
at 2% Deviation
at 5% Deviation
90
10.5
85
100
9.4
×
10
4
1.1
×
10
6
6.0
2.6
48
1.1
100
200
—
—
—
—
—
—
40
—
—
—
—
—
Typ.
Max.
Supply Voltage: 1500Vdc, K: Cathode, Dy: Dynode, P: Anode, G: Grid
*
The shield pin should be connected to Dy5.
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
Ratio
4
0
1
1.4
K
Dy1
G
Dy2
Dy3
Dy4
Dy5
1
Dy6
1
Dy7
1
1
Dy8
Dy9
Dy10
1
1
1
1
Dy11
Dy12
P
1
1
Supply Voltage: 2000Vdc, K: Cathode, Dy: Dynode, P: Anode, G:Grid
SPECIAL VOLTAGE DISTRIBUTION RATIO FOR PULSE LINEARITY MEASUREMENTS
Electrodes
Ratio
4.3
0
1
1.6
1
1
K
Dy1
G
Dy2
Dy3
Dy4
Dy5
Dy6
Dy7
1
1.2
Dy8
Dy9
Dy10
2.4
1.5
2
3
Dy11
Dy12
3.9
P
3
NOTE:
Anode characteristics are measured with the voltage distribution ratio shown below.