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R1548 Datasheet(PDF) 1 Page - Hamamatsu Corporation

Part No. R1548
Description  DUAL, RECTANGULAR PHOTOMULTIPLIER TUBE
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Maker  HAMAMATSU [Hamamatsu Corporation]
Homepage  http://www.hamamatsu.com
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GENERAL
Parameter
Description/Value
Unit
Spectral Response
Wavelength of Maximum Response
Photocathode
Window Material
Dynode
Base
Suitable Socket
nm
nm
mm dia.
300 to 650
420
Bialkali
(8
× 18) × 2 (dual)
Borosilicate glass
Linear focused
10
× 2 (dual)
17-pin glass base
E678-17A (supplied)
Material
Minimum Useful Size
Structure
Number of Stages
DUAL, RECTANGULAR
PHOTOMULTIPLIER TUBE
R1548
MAXIMUM RATINGS (Absolute Maximum Values)
Information furnished by HA MAM ATS 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.
Subject to local technical requirements and regulations, availability of products included in this promotional material may var y. Please consult with our sales office.
Supply Voltage: 1250Vdc, K: Cathode, Dy: Dynode, P: Anode
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
CHARACTERISTICS (at 25
°C)
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Parameter
Min.
Unit
Parameter
Value
Unit
Supply Voltage
Average Anode Current
Ambient Temperature
1750
250
0.1
-80 to +50
Vdc
Vdc
mA
°C
Between Anode and Cathode
Between Anode and Last Dynode
Cathode Sensitivity
Anode Sensitivity
Gain
Anode Dark Current
Time Response
Energy Resolution for 511keV
γ-ray with BGO
BGO Time Resolution
(BGO-Plastic)
Gain Ratio (one segment to another)
Luminous (2856K)
Blue (with CS 5-58 filter)
Quantum Efficiency at 480nm
Luminous (2856K)
Blue (with CS No. 5-58 filter)
Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread
FWHM
FWTM
Electrodes
Ratio
K
Dy1
4
Dy2
1
Dy3
1.5
Dy4
1
Dy5
1
Dy6
1
Dy7
1
Dy8
1
Dy9
11
1
Dy10
P
0.5
80
9.5
23
200
24
2.5
× 106
20
1.8
20
1.0
20
2.4
4.8
1
µA/lm
µA/lm-b
%
A/lm
A/lm-b
nA
ns
ns
ns
%
ns
ns
250
2
Typ.
Max.
NOTE: The gain of each segment can be controlled within 1 to 0.3 by adjusting independent dynode (7th dynode) potential.




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