View R2257_1300318.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

PHOTOMULTlPLlER TUBE
R2257
For visible to near IR low light detections Extended red multialkali photocathode 51mm(2 Inch) diameter, 12-stage, Head-on type
GENERAL
Parameter Spectral Response Wavelength of Maximum Response MateriaI Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Anode to Last Dynode Direct Interelectrode Capacitances Anode to All Other Electrodes Base SuitabIe Socket Description/Value 300 to 900 600 Extended red multialkali 46 Borosilicate glass Linear focused 12 2 2.5 21-pin glass base E678-21A(supplied) Unit nm nm mm dia.
pF pF
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter Between Anode and Cathode Supply Voltage Between Anode and Last Dynode Avarage Anode Current Ambient Temperature Value 2700 500 0.2 -80 to +50 Unit Vdc Vdc mA
CHARACTERISTlCS (at 25
Cathode Sensitivity
)
Min. 140 Typ. 230 50 0.35 100 2.2 104 4.3 105 30 2.6 48 Max. Unit A/lm mA/W A/lm A/W 100 nA ns ns
Anode Sensitivity Gain Dark Current (after 30min. storage in darkness) Time Anode Pulse Rise Time Response Electron Transit Time
Parameter Luminous(2856K) Radiant at 600nm Red/White Ratio (R-68 filter) Luminous(2856K) Radiant at 600nm
15
NOTE: Anode characteristics are measured with the voItage distribution ratio shown below.
VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE
K G Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 Dy12 Electrodes Ratio 4 0 1 1.4 1 1 1 1 1 1 1 1 1 1 SuppIy Voltage : 1500Vdc, K : Cathode, Dy : Dynode, G : Grid, P : Anode Shield is connected to Dy5. P
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. lnformation furnished by HAMAMATS U is believed to be reliabIe. However, no responsibility is assumed for possibIe inaccuracies or commission. Specifications are subjected to change without notice. No patent right are granted to any of the circuits described herein. (c) 1997 Hamamatsu Photonics K.K.
PHOTOMULTlPLlER TUBE R2257
Figure 1: Typical Spectral Response
102
TPMHB0341EA
Figure 2:Typical Gain Characteristics
108
TPMHB0355EB
CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%)
107
101
106
100
GAIN
105
104
10-1
103
10-2 200
300
400
500
600
700
800
900
1000
102 500
700
1000
1500
2000 2500 3000
WAVELENGTH (nm)
SUPPLY VOLTAGE (V)
Figure 3: Dimensional Outline and Basing Diagram (Unit : mm)
Socket
52 1 FACEPLATE 46MIN.
51
(E678 - 21A)
PHOTOCATHODE
SH IC DY10 DY8 IC DY12 9 10 11 12 13 DY6 14 8 DY4 P 15 7 DY11 6 16 DY2 DY9 5 DY7 4
17 G 18 IC 19 IC 21 20
19
126 2
2 DY5 1 DY3 DY1
3
K
IC
R5
BOTTOM VIEW (BASING DIAGRAM)
5
56.8 4 6 13
21 PIN BASE
13MAX.
TPMHA0359EA
TACCA0011EA
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: Farogatan 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
TPMH1141E02 MAY 1997

▲Up To Search▲

Price & Availability of R2257

	To Download R2257 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .