2K2M lamp parameters
(rated mode)
Incandescent voltage: 2V
Pump current: 60mA
Anode voltage: 120V
Second grid voltage: 70V
First grid bias voltage: -0.5V
Anode current: 1.9mA
Second grid current: 0.55mA
Emission current: >8mA
Slope of characteristic: 0.95mA/V
Internal resistance: 1Mohm
Input capacitance: 5.2pF
Output capacitance: 8pF
Pass capacitance: <0.02pF
Lifetime: 500ч
Dimensions (max): Ø30x80mm.
Weight: 40g
Limit parameters of 2K2M lamp
Pump voltage: ?V
Anode voltage: 160V
Second grid voltage: 90V
Maximum power at anode: 0,5W