R1548 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – DUAL, RECTANGULAR PHOTOMULTIPLIER TUBE

DUAL, RECTANGULAR
PHOTOMULTIPLIER TUBE
R1548
For Scintillation Counting and Positron CT Applications
10-Stage Dual Structure in a Rectangular Envelope
High Time Resolution, Good Coupling to Rectangular BGO
Good Space Utilization, Low Cross Talk
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Material
Minimum Useful Size
Dynode
Base
Suitable Socket
Structure
Number of Stages
Description/Value
300 to 650
420
Bialkali
(8 × 18) × 2 (dual)
Borosilicate glass
Linear focused
10 × 2 (dual)
17-pin glass base
E678-17A (supplied)
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Average Anode Current
Ambient Temperature
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Value
1750
250
0.1
-80 to +50
CHARACTERISTICS (at 25°C)
Parameter
Luminous (2856K)
Cathode Sensitivity
Blue (with CS 5-58 filter)
Quantum Efficiency at 480nm
Anode Sensitivity
Luminous (2856K)
Blue (with CS No. 5-58 filter)
Gain
Anode Dark Current
Anode Pulse Rise Time
Time Response
Electron Transit Time
Transit Time Spread
Energy Resolution for 511keV γ-ray with BGO
BGO Time Resolution
FWHM
(BGO-Plastic)
FWTM
Gain Ratio (one segment to another)
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
0.5
Typ.
80
9.5
23
200
24
2.5 × 10⁶
20
1.8
20
1.0
20
2.4
4.8
1
Max.
—
—
—
—
—
—
250
—
—
—
—
—
—
2
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
4
1 1.5 1
1
1
1
1
1
1
1
Supply Voltage: 1250Vdc, K: Cathode, Dy: Dynode, P: Anode
NOTE: The gain of each segment can be controlled within 1 to 0.3 by adjusting independent dynode (7th dynode) potential.
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Unit
Vdc
Vdc
mA
°C
Unit
µA/lm
µA/lm-b
%
A/lm
A/lm-b
—
nA
ns
ns
ns
%
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. _© 1998 Hamamatsu Photonics K.K.