PHOTOMULTIPLIER TUBE
R1450
Fast Time Response (Especially Low TTS)
For Positron CT and High Energy Physics
19mm (3/4 Inch) Diameter, 10-stage, Bialkali Photocathode, Head-On
GENERAL
Parameter
Description/Value
300 to 650
420
Unit
nm
nm
Spectral Response
Wavelength of Maximum Response
—
mm dia.
—
Bialkali
15
Borosilicate glass
Linear focused
10
Material
Minimum Useful Size
Photocathode
Window Material
Dynode
—
—
Structure
Number of Stage
—
Base
12-pin glass base
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Value
1800
350
0.1
-80 to +50
Unit
Vdc
Vdc
mA
°C
Between Anode and Cathode
Between Anode and Last Dynode
Supply Voltage
Average Anode Current
Ambient Temperature
CHARACTERISTICS (at 25°C)
Parameter
Luminous (2856K)
Radiant at 420nm
Blue (CS-5-58 filter)
Luminous (2856K)
Min.
70
—
—
100
—
—
—
—
—
Typ.
115
88
11.0
200
1.7 × 106
3
1.8
19
0.76
0.6/CsF
7.8
Max.
—
—
—
—
—
50
—
—
—
—
—
—
—
Unit
µA/lm
mA/W
µA/lm-b
A/lm
—
nA
ns
ns
ns
ns
%
mA
mA
Cathode Sensitivity
Anode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread (FWHM)
Coincident Resolving Time/Scintillator
Typical Pulse Height Resolution
Time Response
—
—
—
—
±2% Deviation
±5% Deviation
4
8
Pulse Linearity
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
K
Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10
P
Ratio
2
1
1.5 0.75
1
1
1
1
1
1
1
Supply Voltage: 1500Vdc, K: Cathode, Dy: Dynode, P: Anode
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 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.
1998 Hamamatsu Photonics K.K.
©