PHOTOMULTIPLIER TUBE R3256 51 mm (2 Inch) Diameter, Multialkali Photocathode 10-Stage, Head-on Type GENERAL Parameter Spectral Response Wavelength of Maximum Response MateriaI Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Operating Ambient Temperature Storage Temperature Base SuitabIe Socket Description / Value 300 to 850 420 Multialkali 46 Borosilicate glass Linear focused 10 -30 to +50 -30 to +50 JEDEC No. B14-38 E678–14W (Sold Separately) Unit nm nm — mm — — — °C °C — — Value 1600 350 0.1 Unit V V mA MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Parameter Between Anode and Cathode Between Anode and Last Dynode Average Anode Current CHARACTERISTICS (at 25 °C) Cathode Sensitivity Anode Sensitivity Parameter Luminous (2856 K) Radiant Sensitivity at 420 nm Luminous (2856 K) Radiant Sensitivity at 420 nm Red / White Ratio Gain Anode Dark Current (after 30 min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time Min. 80 — 20 — 0.15 — — — — Typ. 150 64 150 6.4 × 104 0.2 1.0 × 106 5 3.4 31 Max. — — — — — — 20 — — Unit µA/lm mA/W A/lm A/W — — nA 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: 1250 Vdc, 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 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. ©2012 Hamamatsu Photonics K.K. PHOTOMULTIPLIER TUBE R3256 Figure 2: Typical Gain and Anode Dark Current TPMHB0595EA 108 CATHODE RADIANT SENSITIVITY TPMHB0596EA 10-5 107 10-6 106 10-7 105 10-8 104 10-9 103 10-10 10 GAIN CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) 100 QUANTUM EFFICIENCY 1 0.1 0.01 200 400 600 800 102 500 1000 700 1000 ANODE DARK CURRENT (A) Figure 1: Typical Spectral Response 10-11 2000 1500 SUPPLY VOLTAGE (V) WAVELENGTH (nm) Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) Socket E678-14W (Sold Separately) 51.0 ± 0.5 FACEPLATE 46 MIN. 19.8 PHOTOCATHODE DY8 DY9 8 9 10 DY10 11 P DY3 3 12 IC 13 IC 14 K 2 DY2 1 DY1 62 56 2 Bottom View (Basing Diagram) 30 DY4 4 17 11 14 PIN BASE JEDEC No. B14-38 DY7 7 6 DY5 5 147 MAX. 124 ± 2 DY6 56.5 ± 0.5 TPMHA0296EB TACCA0200EA • Please consult with Hamamatsu for suitable high voltage power supplies. HAMAMATSU PHOTONICS K.K. www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Electron Tube Division 314-5, Shimokanzo, Iwata City, Shizuoka Pref., 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 E-mail: [email protected] Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 E-mail: [email protected] France: Hamamatsu Photonics France S.A.R.L.: 19, 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 E-mail: [email protected] United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW, United Kingdom, Telephone: 44-(0)1707-294888, Fax: 44(0)1707-325777 E-mail: [email protected] 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 E-mail: [email protected] TPMH1245E04 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 E-mail: [email protected] China: HAMAMATSU PHOTONICS (CHINA) Co., Ltd.: 1201 Tower B, Jiaming Center, No.27 Dongsanhuan Beilu, Chaoyang District, Beijing 100020, China, Telephone: (86)10-6586-6006, Fax: (86)10-6586-2866 E-mail: [email protected] FEB. 2012 IP