PHOTOMULTIPLIER TUBE R1893 10 mm (3/8 Inch) Diameter, 8-Stage, Cs-Te Photocathode, 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 160 to 320 240 Cs-Te 8 Synthetic Silica Linear-focused 8 11-pin glass base E678-11N (supplied) Unit nm nm — mm dia. — — — — — Value 1500 250 0.01 -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) Parameter Cathode Sensitivity Radiant at 254nm Anode Sensitivity Radiant at 254nm Gain Anode Dark Current (after 30min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time Min. — 1.2 × 103 — — — — Typ. 24 3.6 × 103 1.5 × 105 0.5 0.8 7.8 Max. — — — 2.5 — — Unit mA/W A/W — nA ns ns NOTE: Anode characteristics are measured with the voltage distribution ratio shown below. VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 P Ratio 2 2 1 1 1 1 1 1 1 Supply Voltage: 1250Vdc, 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 R1893 Figure 1: Typical Spectral Response Figure 2: Typical Gain Characteristics TPMHB0610EA 108 CATHODE RADIANT SENSITIVITY TPMHB0611EA 107 10 106 QUANTUM EFFICIENCY GAIN CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) 100 1 105 104 0.1 103 0.01 100 150 200 250 300 350 102 200 400 WAVELENGTH (nm) 500 700 1000 1200 1500 2000 SUPPLY VOLTAGE (V) Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) Socket (E678-11N) 10.5 ± 0.5 FACEPLATE 4.3 8MIN. DY7 5 45.0 ± 1.5 DY5 PHOTOCATHODE P 6 DY8 7 8 4 9 DY4 DY3 3 2 1 IC 10 DY2 11 K 10.5 9.5 3 DY1 DY6 3 10MAX. 11 PIN BASE 11 SHORT PIN TPMHA0442EA 9.5 TACCA0043EA 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 TPMH1260E01 MAR. 1999