GENERAL

Parameter

Description/Value

Unit

Spectral Response

Wavelength of Maximum Response

Photocathode

Window Material

Dynode

Direct Interelectrode

Capacitances

Base

Weight

Suitable Socket

Suitable Socket Assembly

nm

nm

—

mm

—

—

—

pF

pF

—

g

—

—

185 to 850

430

Multialkali

8

× 24

UV glass

Circular-cage

9

Approx. 4

Approx. 6

JEDEC No. B11-88

Approx. 45

E678-11A (option)

E717-21, E717-37 (option)

Material

Minimum Effective Area

Structure

Number of Stages

Anode to Last Dynode

Anode to All Other Electrodes

PHOTOMULTIPLIER TUBE

R4632

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.

* Measured at the voltage producing the gain of 1

Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode

For Single Photon Counting, Dark Counts 50cps Typ. at 25

°C

For Extremely Low Light Level Detection

28mm (1-1/8 Inch) Diameter, 9-stage, Multialkali Photocathode, Side-On Type

185 to 850nm Spectral Response

CHARACTERISTICS (at 25

°C)

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Parameter

Min.

Unit

Parameter

Value

Unit

Supply Voltage

Average Anode Current

Ambient Temperature

1250

250

0.1

-80 to +50

Vdc

mA

°C

Between Anode and Cathode

Between Anode and Last Dynode

Cathode Sensitivity

Anode Sensitivity

Gain

Dark Counts *

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

Time Response

Electrodes

Ratio

K

Dy1

1

Dy2

1

Dy3

1

Dy4

1

Dy5

1

Dy6

1

Dy7

1

Dy8

1

Dy9

11

P

Luminous (2856K)

Quantum Efficiency

Red/White Ratio

Blue (CS-5-58 filter)

Luminous (2856K)

Anode Pulse Rise Time

Electron Transit Time

Transit Time Spread (T.T.S.)

at 400nm

at 500nm

at 600nm

at 700nm

at 800nm

140

—

—

—

—

—

0.1

—

300

—

—

—

—

—

—

200

23.7

18.3

10.7

2.7

0.56

0.15

7.5

700

3.5

50

0.2

2.2

22

1.2

µA/lm

%

—

µA/lm-b

A/lm

—

cps

nA

ns

—

—

—

—

—

—

—

—

—

—

100

1

—

—

—

Typ.

Max.