HAMAMATSU 1P28 Datasheet

PHOTOMULTIPLIER TUBE

1P28

FEATURES

28mm (1-1/8 Inch) Diameter Side-on
185 to 650nm Spectral Response
For UV to Visible Range Photocathode

GENERAL

Parameter Description/Value Unit

Spectral Response
Wavelength of Maximum Response
Photo­cathode
Window Material

Dynode

Direct
Interelectrode
Capacitances

Base
Suitable Socket

Material
Minimum Useful Size

Structure
Number of Stages
Anode to Last Dynode
Anode to All Other Electrodes

185 to 650

340
Sb-Cs
8 × 24

UV glass

Circular-cage

9
4
6

JEDEC No. B11-88

E678-11A

nm
nm

—

mm

—
—

—
pF
pF

—

—

Figure 1: Typical Spectral Response

TPMSB0143EA

100

10

QUANTUM
EFFICIENCY

1

QUANTUM EFFICIENCY (%)

0.1

CATHODE RADIANT SENSITIVITY (mA/W)

0.01
200 400 600 800

WAVELENGTH (nm)

CATHODE
RADIANT
SENSITIVITY

Subject to local technical requirements and regulat ions, availability of products included in this promotional material may var y. P lease consult with our sales office.
Information furnished by HAMA M ATSU is believed to be reliable. However, n o 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.

1999 Hamamatsu Photonics K.K.

©

PHOTOMULTIPLIER TUBE 1P28

MAXIMUM RATINGS (Absolute Maximum Values)

Parameter Value Unit

Between Anode
Supply
Voltage

and Cathode

Between Anode

and Last Dynode
Average Anode Current
Ambient Temperature

1250

250

0.1

-80 to +50

Vdc

Vdc

mA

°C

CHARACTERISTICS (at 25°C)

Parameter Typ.Min. Max. Unit

Anode
Sensitivity

Cathode
Sensitivity

Luminous (2856K)
Radiant at 400nm
Luminous (2856K)
Radiant at 400nm

Quantum Efficiency at 340nm
Gain
Anode Dark Current (after 30 minute)
Time
Response

Anode Pulse Rise Time

Electron Transit Time

20
—
25
—
—
—
—
—
—

400

4.8 × 10
40
48
21

1.0 × 10

5

2.2
22

5

7

—
—
—
—
—
—

50

—
—

A/lm

A/W
µA/lm
mA/W

%
—

nA

ns
ns

VOL TAGE DISTRIBUTION RA TIO AND SUPPLY VOLTAGE

Electrodes
Ratio

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

K Dy11Dy21Dy31Dy41Dy51Dy61Dy71Dy81Dy91P

1

Figure 2: Typical Gain Characteristics

TPMSB0140EA

8

10

7

10

6

10

5

10

GAIN

4

10

3

10

2

10

250 300 500 700 1000 1500 2000

SUPPLY VOLTAGE (V)

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

28.5 ± 1.5
8MIN.

PHOTOCATHODE

DY5

5

DY4

4

3

24MIN.

32.2 ± 0.5

11 PIN BASE
JEDEC No. B11-88

49.0 ± 2.5

80MAX.

94MAX.

DY3

2

DY2

1

DY1

DIRECTION OF LIGHT

Socket (Option)

(E678-11A)

49
38

DY6

DY7

6

7

DY8

8

9

DY9

10

P

11

K

29

TPMSA0001EA TACCA0064EA

5

33

3.5

4

18

HAMAMATSU PHOTONICS K.K., Electron Tube Center
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]

Germany:

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

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]

United Kingdom:
North Europe:
Italy:

Hamamatsu Photonics UK Limited: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: [phone], Fax: [phone]

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

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

TPMS1062E01
FEB. 1999