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
-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
1
1
1
Dy10
P
--
--
--
--
--
--
--
--
--
--
--
--
--
0.5
80
9.5
23
200
24
2.5
10
6
20
1.8
20
1.0
20
2.4
4.8
1
A/lm
A/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.
PHOTOMULTIPLIER TUBE R1548
Figure 1: Typical Spectral Response
TPMH1219E01
AUG. 1998
HAMAMATSU PHOTONICS K.K., Electoron Tube Center
314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limtied: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: (44)181-367-3560, Fax: (44)181-367-6384
North Europe: Hamamatsu Photonics Norden AB: Frgatan 7, S-164-40 Kista Sweden, Telephone: (46)8-703-29-50, Fax: (46)8-750-58-95
Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741
TPMHB0543EA
Figure 2: Typical Gain Characteristics
TPMHB0544EA
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
TPMHA0223EA
TACCA0046EB
Socket
(E678-17A)
100
10
1
0.1
0.01
200
600
800
400
WAVELENGTH (nm)
CA
THODE RADIANT
SENSITIVITY
(mA/W)
QUANTUM EFFICIENCY
(%)
CATHODE
RADIANT
SENSITIVITY
QUANTUM
EFFICIENCY
IC
DY3
IC
DY7
DY9
DY7
DY6
DY4
DY2
DY5
IC
K
P1
P2 DY10
SHORT PIN
DY8
DY1
1
2
3
4
5
6
7
8 9 10
11
12
13
14
15
16
17
24.0
0.5
FACEPLATE
PHOTOCATHODE
70
2
13MAX.
17 PIN BASE
8MIN. 8MIN.
18MIN.
24.0
0.5
12
22.8
18
21.9
14
0.1
16.3
24
* This Tube has been developed under the contract with the Agency
on Industrial Science and Technology, MITI, Japan as a part of
R/D program on Medical and welfare Technology.
500
700
1000
1500
2000
10
3
10
5
10
7
10
8
10
2
SUPPLY VOLTAGE (V)
GAIN
10
4
10
6
PDF 
ZIP