R1387

PHOTOMULTlPLlER TUBE R1387 300 to 850nm Response (S–20) 38mm(1–1/2 Inch) Diameter, 10–stage, Head–On Type The configuration and basing diagram of the R1387 are identical with 6199 Photomultiplier tubes. GENERAL Parameter Spectral Response Wavelength of Maximum Response MateriaI Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Anode to Last Dynode Direct Interelectrode Anode to All Other Electrodes Capacitances Base SuitabIe Socket Weight Description/Value 300 to 850 420 Multialkali 34 Borosilicate glass Circular cage 10 3.0 4.0 12 pin base JEDEC No.B12 43 E678 12A(supplied) 81 Unit nm nm mm dia. pF pF g MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Avarage Anode Current Ambient Temperature Parameter Between Anode and Cathode Between Anode and Last Dynode Value 1250 250 0.2 -30 to +50 Unit Vdc Vdc mA °C CHARACTERISTlCS (at 25°C) Cathode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Red/White Ratio (R 68) Luminous (2856K) Radiant at 420nm Min. 80 Typ. 150 64 0.2 50 2.1 104 3.3 105 4 2.8 40 Max. Unit A/lm mA/W A/lm A/W 25 nA ns ns Anode Sensitivity Gain Anode Dark Current (after 30min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time 10 NOTE: Anode characteristics are measured with the voItage distribution ratio shown below. VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Electrodes Ratio 2 1 1 1 1 1 1 SuppIy Voltage : 1000Vdc, K : Cathode, Dy : Dynode, P...