PHOTOMULTIPLIER TUBE R1250 For High Energy Physics, Fast Time Response, High Pulse Linearity 127 mm (5 Inch) Diameter, Bialkali Photocathode, 14-Stage, Head-on Type GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Operating Ambient Temperature Storage Temperature Base Suitable Socket Description 300 to 650 420 Bialkali 120 Borosilicate glass Linear focused 14 -30 to +50 -30 to +50 20-pin base E678-20B (supplied) Unit nm nm — mm — — — °C °C — — Value 3000 500 0.2 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) Blue Sensitivity Index (CS 5-58) Quantum Efficiency at 390 nm Luminous (2856 K) Blue Sensitivity Index (CS 5-58) Gain Anode Dark Current (after 30 min storage in darkness) Anode Pulse Rise Time Electron Transit Time Time Response Transit Time Spread Pulse Height Resolution with 137Cs Long Term Gain Deviation Short Term 2 % Deviation Pulse Linearity * 5 % Deviation Min. 55 7.0 — 300 — — — — — — — — — — — Typ. 70 9.0 22 1000 130 1.4 × 107 50 2.5 54 1.2 8.3 1.0 1.0 160 250 Max. — — — — — — 300 — — — — — — — — Unit µA/lm — % A/lm — — nA ns ns ns % % % mA mA NOTE: Measured with special voltage distribution ratios shown in the Table 2. Table 1: VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrode K G1 G2 Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 Dy12 Dy13 Dy14 P Ratio 2.5 7.5 0 1.2 1.8 1 1 1 1 1 1 1 1 1.5 1.5 3 2.5 Supply Voltage: 2000 Vdc, K: Cathode, Dy: Dynode, P: Anode, G: Grid Table 2: SPECIAL VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE FOR PULSE LINEARITY MEASUREMENT Electrode K G1 G2 Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 Dy12 Dy13 Dy14 P Ratio 2.5 7.5 0 1.2 1.8 1 1 1 1 1.2 1.5 2 2.8 4 5.7 8 5 Capacitors in µF 0.01 0.01 0.02 0.02 0.02 0.04 0.06 Supply Voltage: 2500 Vdc, K: Cathode, Dy: Dynode, P: Anode, G: Grid 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. ©2010 Hamamatsu Photonics K.K. PHOTOMULTIPLIER TUBE R1250 Figure 1: Typical Spectral Response Figure 2: Typical Gain Characteristics TPMHB0518EA TPMHB0519EA 109 CATHODE RADIANT SENSITIVITY 108 10 107 QUANTUM EFFICIENCY GAIN CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) 100 1 106 105 0.1 104 0.01 200 400 600 103 500 800 700 WAVELENGTH (nm) 1000 1500 2000 3000 SUPPLY VOLTAGE (V) Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) Socket E678-20B (Supplied) 133 ± 2 FACEPLATE 120 MIN. 57.8 52.5 PHOTOCATHODE 28 6.0 DY14 IC P DY12 DY13 DY10 9 10 11 12 13 8 DY11 DY8 14 7 DY9 6 15 DY6 16 DY4 DY7 5 17 DY2 DY5 4 18 3 DY3 19 IC 2 1 20 G2 & DY1 G1 IC K 34 13 259 ± 5 HA COATING 276 ± 5 20 20 PIN BASE JEDEC No. B20-102 TACCA0309EA 52.5 MAX. HAMAMATSU PHOTONICS K.K. TPMHA0018EB 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] TPMH1213E03 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] DEC. 2010 IP