R5505

PHOTOMULTlPLlER TUBE R5505 Stable Operation in High Magnetic Fields beyond 1 Tesla 25 mm (1 Inch) Diameter, Proximity Photocathode and Fine Mesh Dynodes GENERAL Parameter Spectral Response Wavelength of Maximum Response MateriaI Photocathode Minimum Effective Area MateriaI Window Shape Secondary Emitting Surface Dynode Structure Number of Stages Base SuitabIe Socket Description/Value 300 to 650 420 ± 50 Bialkali 17.5 Borosilicate glass Plano-plano Bialkali Fine mesh 15 17-pin glass base E678-17A (supplied) Unit nm nm mm dia. MAXIMUM RATINGS (Absolute Maximum Values) Parameter Between Anode and Cathode Supply Voltage Between Anode and Last Dynode Average Anode Current Value 2300 200 0.01 Unit V dc V dc mA CHARACTERISTlCS (at 25 °C) Cathode Sensitivity Anode Sensitivity Gain Parameter Luminous (2856K) Blue Sensitivity Index (CS 5-58) Quantum Efficiency at 390nm Luminous (2856K) Min. Typ. 80 9.5 23 40 5.0 × 105 1.8 × 104 5.0 1.5 5.6 0.35 180 Max. Unit µA/lm % A/lm At 0 tesla At 1 tesla Anode Dark Current (after 30min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time Transit Time Spread (FWHM) Pulse Linearity (at 2 % Deviation) 30 nA ns ns ns mA 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 Dy15 Electrodes .............. Ratio 2 1 1 1 1 1 1 1 SuppIy Voltage : 2000 V dc, K : Cathode, Dy : Dynode, P : Anode P R5506...