R1705 HAMAMATSU | Alldatasheet
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Parameter Description/Value Unit Spectral Response Wavelength of Maximum Response Photocathode Window Material Dynode Suitable Socket nm nm mm dia. 300 to 650 375 High Temp. Bialkali Borosilicate glass Circular-cage E678-12A (supplied) Material Minimum Useful Diameter Structure Number of Stages PHOTOMULTIPLIER TUBE R1705 MAXIMUM RATINGS (Absolute Maximum Values) Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. © 1998 Hamamatsu Photonics K.K. Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Supply Voltage: 1500Vdc, K: Cathode, Dy: Dynode, P: Anode Ruggedized, High Temperature (175°C) PMT (for Oil Well Logging) 38mm (1-1/2 Inch) Diameter, 10-Stage, Head-on Type CHARACTERISTICS (at 25 °C) VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE ENVIRONMENTAL TESTING Parameter Min. Unit Parameter Value Unit Supply Voltage Average Anode Current Ambient Temperature 1800 250 0.02 -80 to +175 Vdc Vdc mA Between Anode and Cathode Between Anode and Last Dynode Luminous (2856K) Blue (CS 5-58 filter) Luminous (2856K) Anode Pulse Rise Time Electron Transit Time Cathode Sensitivity Anode Sensitivity Gain Anode Dark Current (after 30min. storage in darkness) Time Response Electrodes Ratio K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 111 Dy10 P 5 × 10 0.5* 2.0 µA/lm µA/lm-b A/lm nA ns ns Typ. Max. * 1000nA at 175°C