
GENERAL
Parameter
Description/Value
185 to 850
420
Multialkali
25
UV glass
Box and Grid
11
14-pin glass base
E678-14C (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Dynode
Base
Suitable Socket
Material
Minimum Effective Area
Structure
Number of Stages
PHOTOMULTIPLIER TUBE
R374
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.
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
Luminous (2856K)
Red/White Ratio
Radiant at 420nm
Luminous (2856K)
Radiant at 420nm
Min.
80
—
—
20
—
—
—
—
—
Unit
μ
A/lm
—
mA/W
A/lm
A/W
—
nA
ns
ns
Value
1500
0.1
-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
Anode Pulse Rise Time
Electron Transit Time
150
0.2
64
80
3.4
×
10
4
5.3
×
10
5
3.0
15
60
—
—
—
—
—
—
15
—
—
Typ.
Max.
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
Ratio
1
1
1
K
Dy1
Dy2
Dy3
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.