R2078 HAMAMATSU | Alldatasheet
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FEATURES
Parameter Description/Value Unit Spectral Response Wavelength of Maximum Response Photocathode Window Material Dynode Base (temporary) Suitable Socket nm nm mm dia. 160 to 320 240 Cs-Te Fused silica Circular cage 12-pin base JEDEC No. B12-13 E678-12A (supplied) Material Minimum Useful Diameter Structure Number of Stages PHOTOMULTIPLIER TUBE R2078 MAXIMUM RATINGS (Absolute Maximum Values) 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. © 1998 Hamamatsu Photonics K.K. Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Supply Voltage: 1500Vdc, K: Cathode, Dy: Dynode, P: Anode Extremely Improved Solar Blind Photocathode for Aerospace and General Photometric Applications, 25mm (1 Inch) Diameter, Ruggedized Low Profile Tube, Cs-Te Photocathode, 10-Stage, Head-on CHARACTERISTICS (at 25 °C) VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Parameter Min. Unit Parameter Value Unit Supply Voltage Average Anode Current 2000 300 0.015 Vdc Vdc mA Between Anode and Cathode Between Anode and Last Dynode Radiant at 254nm Radiant at 254nm Radiant at 365nm Radiant at 550nm Anode Pulse Rise Time Electron Transit Time Cathode Sensitivity Anode Sensitivity Gain Anode Dark Current (after 30 min. storage in darkness) Time Response Electrodes Ratio K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 111 Dy10 P 2.0 × 10 1.0 × 105 1.5 × 10 1.5 1.6 × 10-2 5.0 × 105 1.5 mA/W A/W A/W A/W pA ns ns 100 Typ. Max.
PHOTOMULTIPLIER TUBE R2078 Figure 1: Typical Spectral Response TPMH1226E01 AUG. 1998 HAMAMATSU PHOTONICS K.K., Electoron Tube Center 314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205 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: Färögatan 7, S-164-40 Kista Sweden, Telephone: (46)8-703-29-50, Fax: (46)8-750-58-95 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 TPMHB0559EA Figure 2: Typical Gain Characteristics TPMHB0560EA Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) TPMHA0438EA TACCA0009EA Socket (E678-12A) 500 700 1000 1500 2000 3000 103 105 107 108 102 SUPPLY VOLTAGE (V) GAIN 104 106 DY1 DY3 DY5 DY7 PDY9 DY10 DY8 DY6 DY4 DY2 K Temporary Base Removed DY1 DY3 DY5 DY7 P DY9 DY2 K 6 7 DY10 DY8 DY6 DY4 Bottom View 25.4 – 0.8 21MIN. 13MAX. 43.0 – 1.550MIN. FACEPLATE PHOTOCATHODE SEMIFLEXIBLE LEADS
12 PIN BASE
No. B12-43 37.3 – 0.5 2- 3.2 102 101 100 10-1 10-2 10-3 10-4 10-5 10-6 200 700 600500400300 WAVELENGTH (nm) PHOTOCATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) CATHODE RADIANT SENSITIVITY QUANTUM EFFICIENCY