Description

Main settings Filament voltage 6.3 ±0.6 V Filament current 450 ±25 mA Anode voltage nominal (constant) 300 V Anode voltage limit (constant) 300 V Anode current 9.5 ±4.5 mA Grid voltage first nominal (constant) -2 V Reverse grid current of the first is no more than 0.3 µA Grid voltage second nominal (constant) 150 V Grid voltage second limit (constant) 150 V Second grid current no more than 3.5 mA Anode power dissipation, maximum 3.6 W Power dissipated by the second grid, maximum 0.5 W Maximum voltage between cathode and heater (constant) 100 V Slope 9 ±3 mA/V Internal resistance not less than 240 kOhm Resistance in the grid circuit of the first limit is 1 MOhm Input capacitance 8.5 ±1.5 pF Output capacitance 2.2 ±0.4 pF Pass-through capacitance no more than 0.03 pF Durability of at least 1000 hours. Weight no more than 12 g