R374

PHOTOMULTIPLIER TUBE R374 Multialkali Photocathode for UV to Near IR Range, 28 mm (1-1/8 Inch) Diameter, 11-stage Head-On Type GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Base Suitable Socket Description/Value 185 to 850 420 Multialkali 25 UV glass Box and Grid 11 14-pin glass base E678-14C (supplied) Unit nm nm — mm dia. — — — — — MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Value 1500 0.1 -80 to +50 Unit Vdc mA °C CHARACTERISTICS (at 25°C) Cathode Sensitivity Anode Sensitivity Parameter Luminous (2856K) Red/White Ratio Radiant at 420nm Luminous (2856K) Radiant at 420nm Min. 80 — — 20 — — — — — Typ. 150 0.2 64 80 3.4 × 104 5.3 × 105 3.0 15 60 Max. — — — — — — 15 — — Unit µA/lm — mA/W A/lm A/W — nA ns ns Gain Anode Dark Current (after 30min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time NOTE: Anode characteristics are measured with the voltage distribution ratio shown below. VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 P Ratio 1 1 1 1 1 1 1 1 1 1 1 1 Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. I...