R7056

PHOTOMULTIPLIER TUBES R6427, R7056 Fast time response, For scintillation counting and high energy physics, R6427: Borosilicate glass, R7056: UV glass GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Base Suitable Socket R6427 300 to 650 R7056 185 to 650 Unit nm nm — mm dia. — — — — — 420 Bialkali 25 Borosilicate glass UV glass Linear focused 10 14-pin glass base E678-14C (supplied) MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Between Anode and Last Dynode Value 2000 350 0.2 -80 to +50 Unit Vdc Vdc mA °C CHARACTERISTICS (at 25°C) Cathode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Blue (CS-5-58 filter) Luminous (2856K) Radiant at 420nm Min. 60 — — — — — — — — — — Typ. 95 88 11.0 475 4.4 × 105 5 × 106 10 1.7 16 500 10 (100) Max. — — — — — — 200 — — — — Unit µA/lm mA/W µA/lm-b A/lm A/W — nA ns ns ps mA Anode Sensitivity Gain Anode Dark Current (after 30min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time Transit Time Spread (FWHM) Pulse Linearity (at ±2% deviation) NOTE : Anode characteristics are measured with the voltage distribution ratio A shown below. ( ) : Pulse linearity is measured with the voltage distribution ratio B shown below. VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 El...