6J1P-EV High frequency pentode with increased durability, reliability and mechanical strength. Designed for broadband RF voltage amplification. Durability not less than 5000 hours. Weight no more than 15 g. Technical characteristics and electrical parameters of the 6Zh1P-EV lamp: Filament voltage 6.3 ± 0.6 V Filament current 170 ± 15 mA Nominal anode voltage (constant) 120 V Anode voltage limit (constant) 200 V Anode current 7.35 ± 2.35 mA Cathode current limit 20 mA Reverse current of the first grid is not more than 0.1 μA Grid voltage second rated (constant) 120 V The second limit grid voltage (constant) 150 V Power dissipated by the anode, limit 1.8 W The power dissipated by the second grid, limiting 0.55 W The voltage between the cathode and the heater limit (constant) 120 V Slope 5.15 ± 1.25 mA / V Cut-off voltage of the anode current (at anode current no more than 5 μA) no more than -15 V Cutoff voltage of the electronic current of the grid of the first -1.5 V Internal resistance 0.1-1.1 MΩ Equivalent resistance of intra-lamp noise no more than 3.7 kOhm Input impedance at 60 MHz 12-25 kΩ Resistance in the cathode circuit for automatic bias 200 Ohm Resistance in the grid circuit of the first limiting 1 megohm Input capacitance 3.5-4.7 pF Output capacitance 1.9-2.8 pF Passage capacity no more than 0.035 pF Capacitance cathode-heater no more than 4.6 pF Glass miniature decoration