R3991 Overview
/Value 300 to 650 375 High temp. bialkali 15 Borosilicate glass Circular-cage 10 Unit nm nm mm dia. MAXIMUM RATINGS ( Values) Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Between Anode and Last Dynode Value 1800 250 0.02 -80 to +175 Unit Vdc Vdc mA °C CHARACTERISTICS (at 25°C) Cathode Sensitivity Parameter Luminous (2856K) Blue (CS-5-58 filter) Luminous (2856K) Min.