R7639 PDF 데이터시트 검색

PRELIMINARY DATA JUN. 2000 PHOTOMULTIPLIER TUBE R7639 Quantum Efficiency: 40 % at 155 nm High Sensitivity Solar Blind Photocathode (115 nm to 230 nm) 28 mm (1-1, 8 Inch) Diameter, 9-Stage, Side-On Type FEATURES Spectral Response ..................... 115 nm to 230 nm Cathode Sensitivity Radiant at 155 nm ......................... 50 mA, W Typ. Quantum Efficiency at 155 nm ..................... 40 % Anode Sensitivity (at 1000 V) Radiant at 155 nm ................... 1.5 × 105 A, W Typ. APPLIC