R374_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – Multialkali Photocathode for UV to Near IR Range 28 mm (1-1/8 Inch) Diameter, 11-stage Head-On Type

PHOTOMULTIPLIER TUBE
R374
Multialkali Photocathode for UV to Near IR Range,
28 mm (1-1/8 Inch) Diameter, 11-stage Head-On Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Base
Suitable Socket
Description/Value
185 to 850
420
Multialkali
25
UV glass
Box and Grid
11
14-pin glass base
E678-14C (supplied)
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Average Anode Current
Ambient Temperature
Value
1500
0.1
-80 to +50
CHARACTERISTICS (at 25°C)
Parameter
Min.
Luminous (2856K)
80
Cathode Sensitivity
Red/White Ratio
—
Radiant at 420nm
—
Anode Sensitivity
Luminous (2856K)
20
Radiant at 420nm
—
Gain
—
Anode Dark Current (after 30min. storage in darkness)
—
Time Response
Anode Pulse Rise Time
Electron Transit Time
—
—
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
Typ.
150
0.2
64
80
3.4 × 10⁴
5.3 × 10⁵
3.0
15
60
Max.
—
—
—
—
—
—
15
—
—
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 P
Ratio
1
1
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Unit
Vdc
mA
°C
Unit
µA/lm
—
mA/W
A/lm
A/W
—
nA
ns
ns
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
Information furnished by HAMAMATS 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.