Filament voltage, Volt

6.3

Anode voltage of triode, Volt

100

Grid voltage of triode, Volt

-2

Anode voltage of pentode, Volt

170

1^st grid voltage of pentode, Volt

-2

2^nd grid voltage of pentode, Volt

170

Part

Triode

Pentode

Filament (heater) current, mA

420±40

Anode current, mA

13±5

10±5

Reverse grid (1^st grid) current, mkA

no more than 1

no more than 0.5

2^nd grid current, mA

no more than 4.5

Dissipate cathode-heater current, mkA

no more than 20

Dissipate (1^st) grid-other electrodes current, mkA

no more than 10

Dissipate plate-other electrodes current, mkA

no more than 30

Mutual conductance, mA/V

5±1.5

6.2±2.2

Gain coefficient

20

Internal resistance, MΩ

0.4

0.4

Input resistance, kΩ:

at 50 MHz

4

at 100 MHz

1

Equivalent noise resistance, kΩ

4

Vibration noise (at R_A=10 kΩ), mV

no more than 200

Vibration noise (at R_A=2 kΩ), mV

no more than 200

Inter electrode capacitance, pF:

input

2.5±0.05

5.5

output

0.35±0.15

3.4

transfer

1.45±0.35

0.025

Part

Triode

Pentode

Filament voltage, V

5.7 to 6.9

Anode voltage, V

250

250

2^nd grid voltage, V

175 to 200

Cathode – heater voltage, V

100

Cathode current, mA

14

Anode dissipation, W

1.5

2.5

2^nd grid dissipation, W

0.7

Resistance in grid circuit, MΩ

0.5

1

Part

Triode

Pentode

Acceleration of vibration loads, g

2.5

at the  frequencies, Hz

50

Acceleration of multiple impacts, g

12

Ambient temperature, °?

–60 to +70

Relative humidity at up to 40°C, %

98