R2295 HAMAMATSU | Alldatasheet

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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 Borosilicate glass Linear focused 12-pin glass base E678-12L (supplied) Material Minimum Effective Area Structure Number of Stages PHOTOMULTIPLIER TUBE R2295 MAXIMUM RATINGS (Absolute Maximum Values) Information furnished by HAMAMATSU is believed to be reliable. However, no 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. Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. For Photon Counting Applications 19 mm (3/4 Inch) Diameter, Bialkali Photocathode Borosilicate Glass Window, 10-stage, Head-On Type CHARACTERISTICS (at 25 °C) Parameter Min. Unit Parameter Value Unit Supply Voltage Average Anode Current Ambient Temperature 1250 250 0.1 -80 to +50 Vdc Vdc mA Between Anode and Cathode Between Anode and Last Dynode Cathode Sensitivity Anode Sensitivity Gain Anode Dark Current (after 30min. storage in darkness) Anode Dark Counts Time Response Luminous (2856K) Radiant at 420nm Blue (CS-5-58 filter) Luminous (2856K) Radiant at 420nm Anode Pulse Rise Time Electron Transit Time 9.0 350 3.6 × 10 5.0 × 106 0.5 1.7 µA/lm mA/W µA/lm-b A/lm A/W nA cps ns ns Typ. Max. Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes Ratio K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P 111

PHOTOMULTIPLIER TUBE R2295 Figure 1: Typical Spectral Response TPMH1023E03 FEB. 1999 TPMHB0035EA Figure 2: Typical Single Photoelectron Pulse Height Distribution TPMHB0057EA Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) TPMHA0027EA TACCA0047EA Socket (E678-12L) Bottom Vlew HAMAMATSU PHOTONICS K.K., Electron Tube Center 314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205 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 Limited: 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: Smidesvägen 12, SE-171-41 SOLNA, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01 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 81 741 200 800 600400 0.01 0.1 100 CATHODE RADIANT SENSITIVITY (mA / W) QUANTUM EFFICIENCY (%) WAVELENGTH (nm) CATHODE RADIANT SENSITIVITY QUANTUM EFFICIENCY SIGNAL+DARK : 400nm : 850Vdc : 70ch : 5000cps : 5cps : +25°C WAVELENGTH OF INCIDENT LIGHT SUPPLY VOLTAGE LOWER LEVEL DISCRI. SIGNAL+DARK COUNTS DARK COUNTS AMBIENT TEMPERATURE 0.2 0.4 0.6 0.8 1.0 0 200 400 600 800 1000 CHANNEL NUMBER (ch) COUNTS PER CHANNEL FULL SCALE (SIGNAL+DARK) : 1×104 FULL SCALE (DARK) : 1×103 DARK 19–1 4MIN. FACEPLATE MASKED PHOTOCATHODE 80–2 DY8

8 DY66

9 DY4

10 DY2

11 K12

P 4DY9 3DY7 2DY5 1 DY3 SHORT PIN 13MAX. 12PIN BASE HA COATING 3.7 (23.6) 28.6 6.7 360 13 9.5 3.3 10.5(8) 2-R4 2- 3.2