HAMAMATSU R1548 Datasheet

For Scintillation Counting and Positron CT Applications

10-Stage Dual Structure in a Rectangular Envelope

High Time Resolution, Good Coupling to Rectangular BGO

GENERAL

Parameter Description/Value Unit

Spectral Response
Wavelength of Maximum Response

Photocathode
Window Material
Dynode
Base

Suitable Socket

Material
Minimum Useful Size

Structure
Number of Stages

DUAL, RECTANGULAR
PHOTOMULTIPLIER TUBE

R1548

Good Space Utilization, Low Cross Talk

300 to 650

420

Bialkali

(8 × 18) × 2 (dual)

Borosilicate glass

Linear focused

10 × 2 (dual)

17-pin glass base

E678-17A (supplied)

nm
nm

—

mm dia.

—
—
—
—
—

MAXIMUM RATINGS (Absolute Maximum Values)

Parameter Value Unit

Supply Voltage
Average Anode Current

Ambient Temperature

Between Anode and Cathode
Between Anode and Last Dynode

CHARACTERISTICS (at 25°C)

Parameter Min. Unit

Luminous (2856K)

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)

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

—
—
—
—
—
—
—
—
—
—
—
—
—

0.5

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Electrodes
Ratio

Supply Voltage: 1250Vdc, K: Cathode, Dy: Dynode, P: Anode

K Dy14Dy21Dy3

1.5

Dy41Dy51Dy61Dy71Dy81Dy9

111

1750

250

0.1

-80 to +50

Typ. Max.

80

9.5
23

200

24

2.5 × 10
20

1.8
20

1.0
20

2.4

4.8

1

Dy10 P

Vdc
Vdc

mA

°C

—
—
—
—

6

—
—

250

—
—
—
—
—
—

2

µA/lm

µA/lm-b

%

A/lm

A/lm-b

—

nA

ns
ns
ns

%
ns
ns
—

NOTE: The gain of each segment can be controlled within 1 to 0.3 by adjusting independent dynode (7th dynode) potential.

Subject to local technical requirements and regulat ions, availability of products included in this promotional material may va r y. Please consult with our sales office.
Information furnished by HAMA M ATSU is believed to be reliable. However, no respon sibility 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.

©

PHOTOMULTIPLIER TUBE R1548

Figure 1: Typical Spectral Response

TPMHB0543EA

100

10

QUANTUM
EFFICIENCY

WAVELENGTH (nm)

QUANTUM EFFICIENCY (%)

CATHODE RADIANT SENSITIVITY (mA/W)

0.1

0.01

1

200 600 800400

CATHODE
RADIANT
SENSITIVITY

Figure 2: Typical Gain Characteristics

TPMHB0544EA

8

10

7

10

6

10

5

10

GAIN

4

10

3

10

2

10

500 700 1000 1500 2000

SUPPLY VOLTAGE (V)

Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)

8MIN. 8MIN.

18MIN.

24.0 ± 0.5

FACEPLATE

PHOTOCATHODE

* 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.

24.0 ± 0.5

17 PIN BASE

70 ± 2

13MAX.

DY9

DY7

DY3

P1

5
4

DY1

DY10

P2

8

7

6

3

2

1

IC
SHORT PIN

DY8

DY7

9

10

11

DY6

12

DY4

13
14

DY2DY5

15

IC

16

17

IC

K

TPMHA0223EA

Socket

(E678-17A)

21.9

12

22.8

18

0.1

24

14

16.3

TACCA0046EB

HAMAMATSU PHOTONICS K.K., Electoron Tube Center
314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: [phone], Fax: [phone]

U.S.A.:

Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: [phone], Fax: [phone]

Germany:

Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: [phone], Fax: [phone]

France:

Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: [phone], Fax: [phone]

United Kingdom:
North Europe:
Italy:

Hamamatsu Photonics UK Limtied: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: [phone], Fax: [phone]

Hamamatsu Photonics Norden AB: Färögatan 7, S-164-40 Kista Sweden, Telephone: [phone], Fax: [phone]

Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone]

TPMH1219E01
AUG. 1998