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.

PHOTOMULTlPLlER TUBE

38mm(1–1/2 Inch) Diameter, Extended Red Multialkali

Photocathode Spectral Response 300 to 900 nm

GENERAL

MAXIMUM RATINGS (Absolute Maximum Values)

Parameter

Parameter

Value

Description/Value

Unit

Spectral Response

300 to 900

nm

Wavelength of Maximum Response

600

nm

Photocathode

MateriaI

Extended Red Multialkali

Structure

Number of Stages

Anode to Last Dynode

Anode to All Other Electrodes

Minimum Effective Area

34

mm dia.

pF

pF

Window Material

Borosilicate

Dynode

Direct Interelectrode

Capacitances

Supply Voltage

Between Anode and Cathode

Between Anode and Last Dynode

1500

Avarage Anode Current

0.2

250

Unit

Vdc

Vdc

mA

°C

Ambient Temperature

-30 to 50

Circular–cage

10

3

4

R2066

CHARACTERISTlCS (at 25

°C)

Parameter

Max.

Typ.

Min.

Cathode Sensitivity

Gain

Anode Dark Current (after 30min. storage in darkness)

Red/White Ratio (R–68 filter)

Anode Pulse Rise Time

2.8

ns

nA

Electron Transit Time

200

0.3

50

120

20

Time Response

Electrodes

K

Dy1

Dy2

Dy3

Dy4

Dy5

Dy6

Dy7

Dy8

Dy9

Dy10

P

Ratio

2

1

1

1

1

1

1

1

1

1

1

Anode characteristics are measured with the voItage distribution ratio shown below.

SuppIy Voltage : 1000Vdc,

K : Cathode,

Dy : Dynode,

P : Anode

NOTE:

A/lm

A/lm

Anode Sensitivity

40

830

Unit

VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE

Suitable Socket

E678–12A(supplied)

ns

2.5

Luminous (2856K)

Luminous (2856K)