572B Overview
Description
Direct heating cathode, high gain triode 572B can be used in wireless equipment for power amplification. SPECIFICATION Filament Heating Uf ………………………6.3 V If…………………………4 A Capacitance Input capacitance……………………6pF Output capacitance……………………0.9pF Muller capacitance……………………5.9pF DC Parameters Ua…………………………2000 V -Ug…………………………2 V Ia……………………………32 mA u(when Ia=20mA) ………190 RL…………………………7 k?