R2496

PHOTOMULTIPLIER TUBE R2496 For Positron CT Scanner Using BaF2 Scintillator 10mm (3/8 Inch) Diameter, 8-Stage, Head-On, Bialkali Photocathode FEATURES Coincidence Resolving Time with BaF2-BaF2/22Na ........................................................................................................................................................... 0.45ns Fast Time Response Transit Time Spread (FWHM) .............................................................................................................................................. 0.6ns Quantum Efficiency at 225nm ................................................................................................................................................... 18% GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Useful Area Window Material Structure Dynode Number of Stages Direct Interelectrode Anode to Last Dynode Capacitances Anode to All Other Electrodes Base Weight Suitable Socket Description/Value 160 to 650 420 Bialkali 8 Fused silica Linear focused 8 0.7 2.0 11-pin glass base Approx. 5 E678-11N (supplied) Unit nm nm — mm dia. — — — pF pF — g — MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Value 1500 0.03 -80 to +50 Unit Vdc mA °C CHARACTERISTICS (at 25°C) Cathode Sensitivity Anode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Blue Luminous (2856K) Radiant at 4...