R6835 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. 115 to 200 140 Cs-I MgF Box and Line E678-14C (supplied) Material Minimum Effective Area Structure Number of Stages PHOTOMULTIPLIER TUBE R6835 CHARACTERISTICS (at 25 °C) Parameter Min. Unit Cathode Sensitivity Anode Sensitivity Gain Anode Dark Current (after 30 min. storage in darkness) Time Response Radiant at 122 nm Quantum Efficiency at 130 nm Radiant at 122 nm Anode Pulse Rise Time Electron Transit Time 2.0 × 10 1.2 × 10 1.0 × 105 0.03 2.8 mA/W A/W nA ns ns 0.05 Typ. Max. Supply Voltage: 2000 V dc, K: Cathode, Dy: Dynode, P: Anode VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes Ratio K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 P 1111 NOTE: Anode characteristics are measured with the voltage distribution ratio shown below. For VUV Detection, 28 mm (1-1/8 Inch) Diameter, 11-stage, Head-On Type, Solar Blind Response (115 nm to 200 nm) MAXIMUM RATINGS (Absolute Maximum Values) Parameter Value Unit Supply Voltage Average Anode Current Ambient temperature 2500 250 0.01 -80 to +50 V dc V dc mA Between Anode and Cathode Between Anode and Last Dynode 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. ©2000 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.