PHOTOMULTIPLIER TUBE R2295 For Photon Counting Applications 19 mm (3/4 Inch) Diameter, Bialkali Photocathode Borosilicate Glass Window, 10-stage, Head-On Type GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Base Suitable Socket Description/Value 300 to 650 420 Bialkali 4 Borosilicate glass Linear focused 10 12-pin glass base E678-12L (supplied) Unit nm nm — mm dia. — — — — — Value 1250 250 0.1 -80 to +50 Unit Vdc Vdc mA °C MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Parameter Between Anode and Cathode Between Anode and Last Dynode Average Anode Current Ambient Temperature CHARACTERISTICS (at 25°C) Cathode Sensitivity Anode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Blue (CS-5-58 filter) Luminous (2856K) Radiant at 420nm Gain Anode Dark Current (after 30min. storage in darkness) Anode Dark Counts Anode Pulse Rise Time Time Response Electron Transit Time Min. 50 — — — — — — — — — Typ. 70 72 9.0 350 3.6 × 105 5.0 × 106 0.5 5 1.7 24 Max. — — — — — — 5 15 — — Unit µA/lm mA/W µA/lm-b A/lm A/W — nA cps ns ns VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P Ratio 2 1 1 1 1 1 1 1 1 1 1 Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAMAMATS U 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. PHOTOMULTIPLIER TUBE R2295 Figure 1: Typical Spectral Response Figure 2: Typical Single Photoelectron Pulse Height Distribution TPMHB0035EA 1.0 COUNTS PER CHANNEL CATHODE RADIANT SENSITIVITY 10 QUANTUM EFFICIENCY 1 FULL SCALE (SIGNAL+DARK) : 1×104 FULL SCALE (DARK) : 1×103 CATHODE RADIANT SENSITIVITY (mA / W) QUANTUM EFFICIENCY (%) 100 TPMHB0057EA 0.8 SIGNAL+DARK WAVELENGTH OF INCIDENT LIGHT : 400nm SUPPLY VOLTAGE : 850Vdc LOWER LEVEL DISCRI. : 70ch SIGNAL+DARK COUNTS : 5000cps DARK COUNTS : 5cps AMBIENT TEMPERATURE: +25°C 0.6 0.4 0.2 DARK 0.1 0 0 200 400 600 800 1000 CHANNEL NUMBER (ch) 0.01 200 400 600 800 WAVELENGTH (nm) Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) 19±1 Socket (E678-12L) 4MIN. 35 DY10 DY8 P 6 7 DY6 5 8 DY9 4 9 DY4 80±2 DY5 2 1 DY3 12 2-R4 360 13 10 DY2 11 K DY1 9 DY7 3 2- 3.2 13 6.7 MASKED PHOTOCATHODE 28.6 (23.6) FACEPLATE 18 2 7 (8) Bottom Vlew 9.5 10.5 HA COATING 3.3 3.7 2 SHORT PIN 13 12PIN BASE 13MAX. 18 TPMHA0027EA TACCA0047EA 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 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 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 TPMH1023E03 FEB. 1999