160 nm to 850 nm Response (Multialkali)

51 mm (2 Inch) Diameter, 10-stage, Head-on Type

CHARACTERISTICS (at 25

°C)

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GENERAL

MAXIMUM RATINGS (Absolute Maximum Values)

PHOTOMULTIPLIER TUBE

R375

Parameter

Min.

Unit

Cathode Sensitivity

Anode Sensitivity

Gain

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

Time Response

Luminous (2856 K)

Radiant at 420 nm

Red/White Ratio (R-68)

Luminous (2856 K)

Radiant at 420 nm

Anode Pulse Rise Time

Electron Transit Time

80

—

—

20

—

—

—

—

—

150

64

0.2

80

3.4

5.3

5

9.0

70

µA/lm

mA/W

—

A/lm

A/W

—

nA

ns

ns

—

—

—

—

—

—

20

—

—

Typ.

Max.

Parameter

Unit

Spectral Response*

Wavelength of Maximum Response

Photocathode

Window Material

Dynode

Operating Ambient Temperature

Storage Temperature

Base

Suitable Socket

MateriaI

Minimum Effective Area

Structure

Number of Stages

160 to 850

420

Multialkali

46

Synthetic Silica

Box and Grid

10

-30 to +50

-80 to +50

15-pin glass base

E678-15C (supplied)

nm

nm

—

mm

—

—

—

°C

°C

—

—

Description / Value

Parameter

Unit

Supply Voltage

Average Anode Current

Between Anode and Cathode

Between Anode and Last Dynode

1500

250

0.1

V

V

mA

Value

NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.

Supply Voltage: 1000 V dc, K: Cathode, Dy: Dynode, P: Anode

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Electrodes

Ratio

K

G

Dy1

1

Dy2

1

Dy3

1

Dy4

Dy5

1

Dy6

1

Dy7

11

Dy8

Dy9

Dy10

P

11

11

1

* Operate in a nitrogen-purged environment for VUV detection.