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R972 Datasheet(PDF) 1 Page - Hamamatsu Corporation |
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R972 Datasheet(HTML) 1 Page - Hamamatsu Corporation |
1 / 2 page GENERAL Parameter Description/Value Unit Spectral Response Wavelength of Maximum Response Photocathode Window Material Dynode Base Suitable Socket nm nm — mm dia. — — — — — 115 to 200 140 Cs-I 14 MgF2 Linear focused 10 12 pin base JEDEC No. B12-43 E678-12A Material Minimum Useful Size Structure Number of Stages PHOTOMULTIPLIER TUBE R972 MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage: 2000 V dc, K: Cathode, Dy: Dynode, P: Anode For VUV Detection, 19 mm (3/4 Inch) Diameter, 10-stage, Head-On Type, Solar Blind Response (115 nm to 200nm) CHARACTERISTICS (at 25 °C) VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Parameter Min. Unit Parameter Value Unit Supply Voltage Average Anode Current Ambient Temperature 2250 250 0.01 -80 to +50 V dc V dc mA °C Between Anode and Cathode Between Anode and Last Dynode Cathode Sensitivity Anode Sensitivity Gain Anode Dark Current (after 30 min. storage in darkness) Time Response Electrodes Ratio K Dy1 1.5 Dy2 1 Dy3 1 Dy4 1 Dy5 1 Dy6 1 Dy7 1 Dy8 1 Dy9 11 1 Dy10 P Radiant at 122 nm Quantum Efficiency at 130 nm Radiant at 122 nm Anode Pulse Rise Time Electron Transit Time — — 2.0 × 102 — — — — 12 1.3 1.2 × 103 1.0 × 105 0.03 1.6 17 mA/W % A/W — nA ns ns — — — — 0.05 — — Typ. Max. 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. |
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