HAMAMATSU R1288A Datasheet

For High Temperature Scintillation Counting,

Ruggedized, Low Profile, 25 mm (1 Inch) Diameter,

High Temp. Bialkali Photocathode, 10-stage, Head-on Type

GENERAL

Spectral Response
Peak Wavelength

Photocathode

Window Material

Dynode

Base configuration
Suitable Socket
Operating Ambient Temperature
Storage Temperature

PHOTOMULTIPLIER TUBE

R1288A

Parameter Description Unit

nm
nm

—

mm dia.

—
—
—
—
—

°C
°C

Material
Minimum Effective Area

Structure
Number of Stages

300 to 650

375

High Temp. Bialkali

22

Borosilicate glass

Linear focused

10

Flying Lead Temporary Base

E678-12A (supplied)

-30 to +175

-80 to +175

MAXIMUM RATINGS (Absolute Maximum Values)

Parameter Value Unit

Supply Voltage

Average Anode Current

Between Anode and Cathode
Between Anode and Last Dynode

CHARACTERISTICS (at 25 °C) with Standard Voltage Divider

Parameter Min. Unit

Luminous (2856 K)

Cathode Sensitivity

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

Time Response

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

Quantum Efficiency at 375 nm
Blue Sensitivity Index (CS 5-58)
Luminous (2856 K)

Anode Pulse Rise Time
Electron Transit Time

20

—

4
8

—
—
—
—

CHARACTERISTICS (at 175 °C) with Standard Voltage Divider

Parameter Min. Unit

Anode Dark Current (after 30 min storage in darkness)

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

— 1000 nA—

STANDARD VOLTAGE DIVIDER AND SUPPLY VOLTAGE

Electrodes
Ratio

Supply Voltage: 1500 V, K: Cathode, Dy: Dynode, P: Anode

K Dy13Dy21Dy31Dy41Dy51Dy61Dy7

11

Dy8 Dy9 Dy10 P

111

1800

250

0.02

Typ. Max.

40

16.9
6

15

3.8 × 10

5

0.1

1.3
13

Typ. Max.

—
—
—
—
—

10

—
—

V
V

mA

µA/lm

%

—

A/lm

—

nA

ns
ns

ENVIRONMENTAL TESTING

Shock............10 000 m/s2, 0.5 ms, 3 impact shocks per direction (6 directions)

Vibration........300 m/s

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. ©2003 Hamamatsu Photonics K.K.

2

, 50 Hz to 2000 Hz, 1 oct per minute, 3 sweeps per axis (3 axes)

PHOTOMULTIPLIER TUBE R1288A

0693EA

500700100015002000

5

C

)

0

0

6

0

5

0

4

0

3

0

0

8

Figure 1: Typical Spectral Response

TPMHB0061EA

2

10

1

10

QUANTUM
EFFICIENCY

0

10

QUANTUM EFFICIENCY (%)

CATHODE RADIANT SENSITIVITY (mA/W)

-1

10

WAVELENGTH (nm)

at 25 °C

CATHODE
RADIANT
SENSITIVITY

600500

Figure 2: Typical Gain Characteristics

TPMHB

1

1

1

1

AIN

1

1

700400300200

1

SUPPLY VOLTAGE (V

at 2

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

FACEPLATE

PHOTOCATHODE

SEMIFLEXIBLE
LEADS 0.7 MAX.

A

12 PIN BASE
JEDEC
No. B12-43

B

25.4 ± 0.5

22 MIN.

43.0 ± 1.5

13 MAX.

50 MIN.

37.3 ± 0.5

A Temporary Base Removed

P

8

6

DY5

DY3

DY1

DY7

DY9

5

4

3

2

17

K

B Bottom View

DY10

P

6

7

1

12

DY7

DY5

DY9

DY3

5

4

3

2

DY1

Socket E678-12A

(Supplied)

47

DY10

10

DY8

11

DY6

12

13

DY4

14

DY2

2- 3.2

DY8

8

DY6

9

10

DY4

11

DY2

K

TPMHA0363EB

40

17

34

5

15

8

TACCA0009EB

HAMAMATSU PHOTONICS K.K., Electron Tube Center

WEB SITE 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: 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]
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171-41 SOLNA, Sweden, Telephone: [phone], Fax: [phone] E-mail: [e-mail]
Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone] E-mail: [e-mail]

TPMH1279E01
MAR. 2003 IP