Filament voltage, Volt

6.3

Anode voltage of triode, Volt

100

Anode voltage of pentode, Volt

185

2^nd grid voltage of pentode, Volt

185

Resistance in cathode circuit of tetrode, Ω

160

Resistance in cathode circuit of pentode, Ω

340

Part

Triode

Pentode

Filament (heater) current, mA

925±65

Anode current, mA

5.2±1.8

41±9

Reverse grid (1^st grid) current, mkA

no more than 1

2^nd grid current, mA

2.7

Mutual conductance, mA/V

7

7.5

Gain coefficient (MU)

70±20

Inter electrode capacitance, pF:

input

3.5

11.7

output

0.25

8.8

transfer

1.8

0.7

Operation time, hour

more than 3000

Part

Triode

Pentode

Filament voltage, V

5.7 to 7

Cathode – heater voltage, V

100

Bulb temperature, ^OC

220

Anode voltage, V

250

300

Pulse anode voltage, V

2000

2^nd grid voltage, V

250

Cathode current, mA

15

75

Pulse cathode current, mA

200

Anode dissipation, W

0.5

9

2^nd grid dissipation, W

2

Resistance in grid circuit, MΩ

1 – fixed bias

3.3 - self-bias

1 – fixed bias

2.2 - self-bias

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