HAMAMATSU R6504 Datasheet

PHOTOMULTIPLIER TUBE

R6504

For an Operation in Magnetic Fields over 1Tesla

64 mm (2.5 Inch) Head-On, Fast Time Response, High Pulse Linearity

19-stage Fine Mesh Dynodes, Bialkali Photocathode

GENERAL

Parameter Description/Value Unit

Spectral Response
Wavelength of Maximum Response

Photocathode

Window

Dynode

Material
Minimum Effective Area
Material
Shape
Secondary Emitting Surface
Structure
Number of Stages

300 to 650

420 ± 50

Bialkali

51

Borosilicate glass

Plano-plano

Bialkali

Fine mesh

19

nm
nm

—

mm dia.

—
—
—
—
—

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)

Parameter Min. Unit

Luminous (2856K)

Cathode Sensitivity

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

Time Response

Pulse Linearity (at 2% Deviation)

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

Blue (CS-5-58 filter)
Quantum Efficiency at 390nm
Luminous (2856K)
At 0 tesla
At 1 tesla

Anode Pulse Rise Time
Transit Time
Transit Time Spread (FWHM)

—
—
—
—
—
—
—
—
—
—
—

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Electrodes
Ratio

Supply Voltage: 2000Vdc, K: Cathode, Dy: Dynode, P: Anode

K Dy12Dy21Dy31Dy41Dy51Dy6

1

• • • • • • • • • • • • • •

• • • • • • • • • • • • • •

2300

200

0.1

Typ. Max.

70

9.0
22

700

1.0 × 10

2.0 × 10

7
5

50

2.7

11

0.47
700

Dy19 P

11

—
—
—
—
—
—

300

—
—
—
—

Vdc
Vdc

mA

µA/lm

µA/lm-b

%

A/lm

—
—

nA

ns
ns
ns

mA

PC board breeder assembly type is also available.

*

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 R6504

Figure 1: Typical Spectral Response

TPMHB0204EA

100

10

CATHODE
RADIANT

1

QUANTUM EFFICIENCY (%)

0.1

CATHODE RADIANT SENSITIVITY (mA/W)

0.01
200 800600400

SENSITIVITY

QUANTUM
EFFICIENCY

WAVELENGTH (nm)

Figure 2: Typical Gain in Magnetic Fields
(Parallel to Tube Axis)

TPMHB0247EB

1

10

SUPPLY VOLTAGE : 2000V

0

10

30deg.

-1

10

RELATIVE GAIN

-2

10

MAGNETIC

3

-

10

0 0.25 0.50 0.75 1.0 1.25 1.5

FIELD

MAGNETIC FIELD (Tesla)

0deg.

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

64 ± 1

FACEPLATE

PHOTO­CATHODE

HA COATING

SEMIFLEXIBLE
LEADS 0.7

51 MIN.

38

DY15
DY13

55 ± 213 MAX.

DY19

DY17

DY11

DY9

8
7

DY7

9

6

P

10

5

DY5

11

4

Bottom View

3

DY3

DY18

2

DY1

DY16

DY14

14

15

DY12

16

17

DY10

18

DY8

19

DY6

20
21

DY4

22

DY2

26

1

K

TPMHA0336EA

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]

TPMH1262E01
MAR. 1999