R821 Description
/Value 160 to 320 240 Cs-Te 15 Fused silica Linear focused 10 12-pin glass base E678-12L (supplied) 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 1250 250 0.01 -80 to +50 Unit Vdc Vdc mA °C CHARACTERISTICS (at 25°C) Parameter Min. Cathode Sensitivity 28 Radiant at 254nm Anode Sensitivity...