R2257 Overview
/Value 300 to 900 600 Extended red multialkali 46 Borosilicate glass Linear focused 12 2 2.5 21 pin glass base E678 21A(supplied) Unit nm nm mm dia. pF pF MAXIMUM RATINGS ( Values) Parameter Between Anode and Cathode Supply Voltage Between Anode and Last Dynode Avarage Anode Current Ambient Temperature Value 2700 500 0.2 -80 to +50 Unit Vdc Vdc mA CHARACTERISTlCS (at 25 Cathode Sensitivity ) Min. 230 50 0.35 100 2.2...