Name1P22B
TypeHigh-durable penthode
ApplicationHF oscillation and amplification
Cathode typeoxide, direct heating
Envelopeglass, miniature
Mass, g5
Socket typeflexible
Filament voltage, V1,2
Filament current, A0,11-0,14
Anode voltage, V90
Anode current, A0,009-0,018
Anode power, W2,5
Grid1 voltage, Vminus 4,5
Grid2 voltage, V90
Steepness, mA/V2,3-3,7
Microphonic noise, mV130
