TPMH1209E01

JUL. 1998

HAMAMATSU PHOTONICS K.K., Electoron Tube Center

314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205

U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218

Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658

France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10

United Kingdom: Hamamatsu Photonics UK Limted: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: (44)181-367-3560, Fax: (44)181-367-6384

North Europe: Hamamatsu Photonics Norden AB: Färögatan 7, S-164-40 Kista Sweden, Telephone: (46)8-703-29-50, Fax: (46)8-750-58-95

Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741

TACCA0011EA

TPMHA0072EB

Figure 6: Dimensional Outline and Basing Diagram (Unit: mm)

PHOTOMULTIPLIER TUBES R331, R331-05

53.0 ± 1.5

46MIN.

FACEPLATE

PHOTO-

CATHODE

HA COATING

21 PIN BASE

1

2

3

4

5

6

7

9

8

10 11 12

13

14

15

16

17

18

19

20

21

DY1

DY3

DY5

DY2

P

DY9

DY11

DY12

IC

SH IC DY10

DY8

DY6

DY4

DY7

G

IC

IC

IC

K

R5

19

51

Socket (Supplied)

(E678-21A)

* Shield (SH) should be connected to Dy5.