PHOTOMULTlPLlER TUBE R2257

BOTTOM VIEW

(BASING DIAGRAM)

Socket

(E678 – 21A)

TPMH1141E02

MAY 1997

TPMHB0341EA

200

300

400

500

600

700

800

900

1000

WAVELENGTH (nm)

TPMHB0355EB

500

3000

1500

1000

700

SUPPLY VOLTAGE (V)

102

2000 2500

TPMHA0359EA

1

2

3

4

5

6

7

9

8

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

10

FACEPLATE

52 1

46MIN.

PHOTO-

CATHODE

21 PIN BASE

TACCA0011EA

R5

19

51

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, 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.: Via Della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)2-935 81 733, Fax: (39)2-935 81 741