R1548

DUAL, RECTANGULAR PHOTOMULTIPLIER TUBE R1548 For Scintillation Counting and Positron CT Applications 10-Stage Dual Structure in a Rectangular Envelope High Time Resolution, Good Coupling to Rectangular BGO Good Space Utilization, Low Cross Talk GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Useful Size Window Material Structure Dynode Number of Stages Base Suitable Socket Description/Value 300 to 650 420 Bialkali (8 × 18) × 2 (dual) Borosilicate glass Linear focused 10 × 2 (dual) 17-pin glass base E678-17A (supplied) Unit nm nm — mm dia. — — — — — MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Between Anode and Last Dynode Value 1750 250 0.1 -80 to +50 Unit Vdc Vdc mA °C CHARACTERISTICS (at 25°C) Cathode Sensitivity Anode Sensitivity Gain Anode Dark Current Anode Pulse Rise Time Electron Transit Time Transit Time Spread Energy Resolution for 511keV γ-ray with BGO BGO Time Resolution FWHM (BGO-Plastic) FWTM Gain Ratio (one segment to another) Time Response Parameter Luminous (2856K) Blue (with CS 5-58 filter) Quantum Efficiency at 480nm Luminous (2856K) Blue (with CS No. 5-58 filter) Min. — — — — — — — — — — — — — 0.5 Typ. 80 9.5 23 200 24 2.5 × 106 20 1.8 20 1.0 20 2.4 4.8 1 Max. — — — — — — 250 — — — — — — 2 Unit µA/lm µA/lm-b % A/lm A/lm-b — nA ns ns ns % ns ns — VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 D...