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.

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

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.