R3234-01

HIGH–SPEED PHOTON COUNTING PHOTOMULTIPLIER TUBES R3234–01, R3235–01 High–speed Photon Counting and Fluorescence Measurement 51mm(2 Inch) Diameter, 12–stage, Head–on Type R3234–01:Borosilicate Window (300 to 650nm) R3235–01:Synthetic Silica Window (160 to 650nm) GENERAL Parameter R3234–01 Spectral Response R3235–01 Wavelength of Maximum Response MateriaI Photocathode Minimum Effective Area R3234–01 Window Material R3235–01 Structure Dynode Number of Stages Base SuitabIe Socket Description/Value 300 to 650 160 to 650 420 Bialkali 10 Borosilicate glass Synthetic silica glass Linear focused 12 20–pin base (JEDEC No. B20–102) E678–20A (supplied) Unit nm nm nm mm dia. MAXIMUM RATINGS (Absolute Maximum Values) Parameter Between Anode and Cathode Supply Voltage Between Anode and Last Dynode Avarage Anode Current Ambient Temperature Value 2500 500 0.1 -30 to +50 Unit Vdc Vdc mA CHARACTERISTlCS (at 25°C) Cathode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Blue (CS 5–58 filter) Luminous (2856K) Radiant at 420nm Min. 60 Typ. 80 72 9.0 2000 2.0 106 2.5 107 1 50 1.3 28 0.45 Max. Unit A/lm mA/W A/lm b A/lm A/W nA cps ns ns ns Anode Sensitivity Gain Anode Dark Current (after 30min. storage in darkness) Anode Dark Counts Anode Pulse Rise Time Time Electron Transit Time Response Transit Time Spread (FWHM) 500 10 150 NOTE: Anode characteristics are measured with the voItage distribution ratio shown below. VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE K Dy1 Dy2 Dy3 Dy4 Dy5 Dy...