HAMAMATSU R972 Datasheet

PHOTOMULTIPLIER TUBE

R972

For VUV Detection, 19 mm (3/4 Inch) Diameter, 10-stage,

Head-On Type, Solar Blind Response (115 nm to 200nm)

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

115 to 200

140

Cs-I

14

2

MgF

Linear focused

10

12 pin base JEDEC No. B12-43

E678-12A

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

Cathode Sensitivity
Anode Sensitivity

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

Time Response

Radiant at 122 nm
Quantum Efficiency at 130 nm
Radiant at 122 nm

Anode Pulse Rise Time
Electron Transit Time

—
—

2.0 × 10
—
—
—
—

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Electrodes
Ratio

Supply Voltage: 2000 V dc, K: Cathode, Dy: Dynode, P: Anode

K Dy1

1.5

Dy21Dy31Dy41Dy51Dy61Dy71Dy81Dy9

111

2

Dy10 P

2250

250

0.01

-80 to +50

Typ. Max.

12

1.3

1.2 × 10

1.0 × 10

3
5

0.03

1.6
17

—
—
—
—

0.05
—
—

V dc
V dc

mA

°C

mA/W

%

A/W

—

nA

ns
ns

Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
Information furnished by HAMAMATSU 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. ©2000 Hamamatsu Photonics K.K.

PHOTOMULTIPLIER TUBE R972

Figure 1: Typical Spectral Response

TPMHB0613EA

100

10

1

QUANTUM
EFFICIENCY

QUANTUM EFFICIENCY (%)

0.1

CATHODE RADIANT SENSITIVITY (mA/W)

0.01
80 100 120 140 160 180 200 220

WAVELENGTH (nm)

CATHODE
RADIANT
SENSITIVITY

Figure 2: Typical Gain Characteristics

TPMHB0514EA

6

10

5

10

4

10

3

10

GAIN

2

10

1

10

0

10

500 700 1000 1500 2000 3000

SUPPLY VOLTAGE (V)

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

19 ± 1

FACEPLATE

PHOTOCATHODE

SEMI-FLEXIBLE
LEADS

A

12 PIN BASE
JEDEC
No. B12-43

B

13 MIN.

37.3 ± 0.5

88 ± 2

13 MAX.

45 MIN.

ATemporary Base Removed

DY8

DY6

7

8

1

DY9
DY7

P

DY5

DY10

6

5

4

3

2

DY3

BBottom View

DY10

P

6

7

5

2

1

12

DY7

DY5

DY9

4

3

DY3

DY1

DY4

9

10

11

12

DY1

DY8

8

9

10

11

DY2

K

TPMHA0208EA

DY6

DY4

DY2

K

Socket (Option)

(E678-12A)

2- 3.2

47

40
17

34

5

8

15

TACCA0009EB

HAMAMATSU PHOTONICS K.K., Electron Tube Center

HOMEPAGE URL http://www.hamamatsu.com

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] E-mail: [e-mail]

Germany:

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

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] E-mail: [e-mail]

United Kingdom:

North Europe:
Italy:

Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW, United Kingdom, Telephone: [phone], Fax: [phone] E-mail: [e-mail]

Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171-41 SOLNA, Sweden, Telephone: [phone], Fax: [phone] E-mail: [e-mail]

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

TPMH1211E02
NOV. 2000 IP