6K4P-ER 6К4П-ЕР soviet Rare Vacuum Tube HF Pentode Valve EF93 6BA6 W727

Description
Long characteristic pentodes for amplification of intermediate and high frequency voltages in circuits with automatic gain control. The design is in a glass shell, miniature. Weight 13 g.
Main settings

Heating voltage 6.3 V

Heating current 255 ... 285 mA

Anode current 7 ... 13 mA

Cathode Current 20 mA

The reverse current of the first grid at the voltage of the first grid is -2 V 0.3 uA

Second grid current 5.5 mA

Voltage on the second grid 125 V

Slope of the characteristic 3.5 ... 5.3 mA / V

Input resistance at a frequency of 60 MHz 3.5 kOhm

Internal resistance 0.45 MOhm

Voltage of vibration dampers with anode resistance 10 kOhm 180 mV

Input capacitance 5.6 ... 7.2 pF

Output capacity 5.6 ... 7.8 pF

Throughput capacity 0.0035 pF

Capacity cathode heater 10 pF

Working hours 2000 h

The steepness at the beginning of the characteristic at the voltage of the first grid is -20 V 0.1 mA / V

Lot for 1 pc

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Delivery time lasts approx.

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