PHOTOMULTIPLIER TUBE R1878 For Photon Counting Applications Excellent Transit Time Spread, Low After Pulse 19mm (3/4 Inch) Diameter, Multialkali Photocathode, 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 850 420 Multialkali 4 Borosilicate glass Linear focused 10 12-pin glass base E678-12D (supplied) Unit nm nm — mm dia. — — — — — Value 1500 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 Red/White Ratio (with R-68 filter) Luminous (2856K) Radiant at 420nm Gain Anode Dark Counts Time Response Anode Pulse Rise Time Electron Transit Time Min. 80 — — 30 — — — — — Typ. 120 51 0.2 150 6.1 × 104 1.2 × 106 100 1.7 24 Max. — — — — — — 250 — — Unit µA/lm mA/W — A/lm A/W — cps ns ns VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Ratio 2 1 1 1 1 1 1 1 1 1 1 Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode P 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 R1878 Figure 1: Typical Spectral Response Figure 2: Typical Gain Characteristics TPMHB0547EB 108 CATHODE RADIANT SENSITIVITY TPMHB0549EA 107 10 106 GAIN CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) 100 QUANTUM EFFICIENCY 1 105 0.1 104 0.01 200 400 600 800 103 500 1000 600 700 800 1000 1200 1400 SUPPLY VOLTAGE (V) WAVELENGTH (nm) Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) Socket (E678-12L) FACEPLATE 19 ± 1 35 4MIN. 28.6 2- 3.2 13 2-R4 DY9 4 9 DY4 2 1 DY3 12 2 DY1 (8) 13MAX. SHORT PIN 12PIN BASE 18 2 DY5 10 DY2 11 K 7 DY7 3 10.5 9.5 3.3 3.7 80 ± 2 HA COATING 360° 13 5 9 (23.6) DY10 DY8 6 7 DY6 8 P 6.7 MASKED PHOTOCATHODE 13 18 TPMHA0027EA TACCA0047EA HOMEPAGE URL http://www.hamamatsu.com 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(20)8-367-3560, Fax: 44(20)8-367-6384 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 TPMH1222E02 DEC. 1999