R972

PHOTOMULTIPLIER TUBE R972 For VUV Detection, 19 mm (3/4 Inch) Diameter, 10-stage, Head-On Type, Solar Blind Response (115 nm to 200nm) 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 115 to 200 140 Cs-I 14 MgF2 Linear focused 10 12 pin base JEDEC No. B12-43 E678-12A 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 2250 250 0.01 -80 to +50 Unit V dc V dc mA °C CHARACTERISTICS (at 25 °C) Cathode Sensitivity Parameter Radiant at 122 nm Quantum Efficiency at 130 nm Radiant at 122 nm Min. — — 2.0 × 102 — — — — Typ. 12 1.3 1.2 × 103 1.0 × 105 0.03 1.6 17 Max. — — — — 0.05 — — Unit mA/W % A/W — nA ns ns Anode Sensitivity Gain Anode Dark Current (after 30 min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Ratio 1.5 1 1 1 1 1 1 1 1 1 1 Supply Voltage: 2000 V dc, K: Cathode, Dy: Dynode, P: Anode P Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility i...