HAMAMATSU R1868-01 Datasheet

GENERAL

Parameter Description/Value Unit

Spectral Response
Wavelength of Maximum Response

Photocathode
Window Material
Dynode
Base

Suitable Socket

nm
nm

—

mm dia.

—
—
—
—
—

300 to 650

420

Bialkali

46

Borosilicate glass

Linear focused

12

20-pin glass base

E678-20A (supplied)

Material
Minimum Effective Area

Structure
Number of Stages

PHOTOMULTIPLIER TUBE

R1828-01

MAXIMUM RATINGS (Absolute Maximum Values)

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.

©

2000 Hamamatsu Photonics K.K.

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.

Fast Time Response, 51 mm (2 Inch) Diameter,

12-Stage, Bialkali Photocathode Head-On Type

CHARACTERISTICS (at 25°C)

Parameter Min. Unit

Parameter Value Unit

Supply Voltage
Average Anode Current

Ambient Temperature

3000

400

0.2

-30 to +50

Vdc
Vdc

mA

°C

Between Anode and Cathode
Between Anode and Last Dynode

Cathode Sensitivity

Anode Sensitivity
Gain

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

Pulse Linearity

Luminous (2856K)
Radiant at 420nm
Blue (CS-5-58 filter)
Luminous (2856K)
Radiant at 420nm

Anode Pulse Rise Time
Electron Transit Time
at 2% Deviation
at 5% Deviation

60
—
—

200

—
—
—
—
—
—
—

90
85

10.5

1800

1.7 × 10

6

2.0 × 10

7

50

1.3
28

250
500

µA/lm
mA/W

µA/lm-b

A/lm
A/W

—

nA

ns

ns
mA
mA

—
—
—
—
—
—

400

—
—
—
—

Typ. Max.

Supply Voltage: 2500Vdc, K: Cathode, Dy: Dynode, P: Anode, G: Grid

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Electrodes
Ratio

K

G2 & Dy1

G1

1.2

Dy2

2.8

Dy3

1.2

Dy4

1.8

Dy51Dy61Dy7

11

Dy8 Dy9 Dy10

1 1 1.5 1.5

Dy11 Dy12 P

3 2.5

Supply Voltage: 2500Vdc, K: Cathode, Dy: Dynode, P: Anode, G: Grid

SPECIAL VOLTAGE DISTRIBUTION RATIO FOR PULSE LINEARITY MEASUREMENTS

Electrodes
Ratio

K

G2 & Dy1

G1

1.2

Dy2

2.8

Dy3

1.2

Dy4

1.8

Dy51Dy61Dy7

1.2 1.5

Dy8 Dy9 Dy10

2 2.8 4 5.7

Dy11 Dy12 P

85

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

PHOTOMULTIPLIER TUBE R1828-01

Figure 1: Typical Spectral Response

TPMH1259E03
OCT. 2000

TPMHB0256EA

Figure 2: Typical Gain Characteristics

TPMHB0609EA

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

TPMHA0064EC TACCA0003EA

Socket

(E678-20A)

200 400 600 800

WAVELENGTH (nm)

0.01

0.1

1

10

100

CATHODE RADIANT SENSITIVITY (mA/W)

QUANTUM EFFICIENCY (%)

CATHODE
RADIANT
SENSITIVITY

QUANTUM
EFFICIENCY

500 700 1000 1500 2000 3000

10

8

10

7

10

6

10

5

10

4

10

3

10

2

SUPPLY VOLTAGE (V)

GAIN

58

52.5

56

13

21

6

10

20

52

53.0 ± 1.5
46 MIN.

FACEPLATE

PHOTO­CATHODE

170 ± 3

192 MAX.

HA COATING

52.5 MAX.

20 PIN BASE
JEDEC
No. B20-102

2

IC

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

1

G2 & DY1

DY3

IC

DY5

DY7

DY9

DY11

IC

P

DY12

DY10

DY8

DY6

DY4

DY4

DY2

IC

G1

K

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] 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]

HOMEPAGE URL http://www.hamamatsu.com