R1878 HAMAMATSU | Alldatasheet
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Parameter Description/Value Unit Spectral Response Wavelength of Maximum Response Photocathode Window Material Dynode Base Suitable Socket nm nm mm dia. 300 to 850 420 Multialkali Borosilicate glass Linear focused 12-pin glass base E678-12D (supplied) Material Minimum Effective Area Structure Number of Stages PHOTOMULTIPLIER TUBE R1878 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. © 1999 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: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode For Photon Counting Applications Excellent Transit Time Spread, Low After Pulse 19mm (3/4 Inch) Diameter, Multialkali Photocathode, 10-Stage, Head-on Type CHARACTERISTICS (at 25 °C) VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Parameter Min. Unit Parameter Value Unit Supply Voltage Average Anode Current Ambient Temperature 1500 250 0.1 -80 to +50 Vdc Vdc mA Between Anode and Cathode Between Anode and Last Dynode Luminous (2856K) Radiant at 420nm Red/White Ratio (with R-68 filter) Luminous (2856K) Radiant at 420nm Anode Pulse Rise Time Electron Transit Time Cathode Sensitivity Anode Sensitivity Gain Anode Dark Counts Time Response Electrodes Ratio K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 111 Dy10 P 120 0.2 150 6.1 × 10 1.2 × 106 100 1.7 µA/lm mA/W A/lm A/W cps ns ns 250 Typ. Max.
PHOTOMULTIPLIER TUBE R1878 Figure 1: Typical Spectral Response TPMH1222E02 DEC. 1999 TPMHB0547EB Figure 2: Typical Gain Characteristics TPMHB0549EA Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) TPMHA0027EA TACCA0047EA Socket (E678-12L) 3.7 (23.6) 28.6 6.7 360° 13 9.5 3.3 10.5(8) 2-R4 2- 3.2 500 600 700 800 1000 1200 1400 104 106 107 108 103 SUPPLY VOLTAGE (V) GAIN 105 19 ± 1 4MIN. FACEPLATE MASKED PHOTOCATHODE 80 ± 2 DY8
8 DY66
9 DY4
10 DY2
11 K12
P 4DY9 3DY7 2DY5 1 DY3 SHORT PIN 13MAX. 12PIN BASE HA COATING 100 0.1 0.01 200 600 400 800 1000 WAVELENGTH (nm) CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) CATHODE RADIANT SENSITIVITY QUANTUM EFFICIENCY 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 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 HOMEPAGE URL http://www.hamamatsu.com