PHOTOMULTIPLIER TUBE
R375
160 to 850 nm Response (Multialkali)
51 mm (2 Inch) Diameter, 10-stage, Head-On Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Material
Photocathode
Minimum Effective Area
Window Material
Structure
Dynode
Number of Stages
Base
Suitable Socket
Description/Value
160 to 850
420
Multialkali
46
Synthetic Silica
Box and Grid
10
15-pin glass base
E678-15B (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
—
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Average Anode Current
Ambient Temperature
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Value
1500
250
0.1
-80 to +50
Unit
V dc
V dc
mA
°C
CHARACTERISTICS (at 25
°C)
Cathode Sensitivity
Anode Sensitivity
Parameter
Luminous (2856 K)
Radiant at 420 nm
Red/White Ratio (R-68)
Luminous (2856 K)
Radiant at 420 nm
Min.
80
—
—
20
—
—
—
—
—
Typ.
150
64
0.2
80
3.4
×
10
4
5.3
×
10
5
5
9.0
70
Max.
—
—
—
—
—
—
20
—
—
Unit
µA/lm
mA/W
—
A/lm
A/W
—
nA
ns
ns
Gain
Anode Dark Current (after 30 min storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
NOTE:
Anode characteristics are measured with the voltage distribution ratio shown below.
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
K
G
Dy1
Dy2
Dy3
Dy4
Dy5
Dy6
Dy7
Dy8
Dy9
Dy10
Ratio
1
1
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 1000 V dc, K: Cathode, Dy: Dynode, P: Anode
P
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.
©
2001 Hamamatsu Photonics K.K.
HAMAMATSU [ HAMAMATSU CORPORATION ]
