Filament voltage, Volt

6.3

Anode voltage of triode, Volt

170

Grid voltage of triode, Volt

-1.5

Anode voltage of pentode, Volt

170

1^st grid voltage of pentode, Volt

-11.5

2^nd grid voltage of pentode, Volt

170

Resistance in cathode circuit, Ω

680

Part

Triode

Pentode

Filament (heater) current, mA

810±80

Anode current, mA

2.5±1.2

41±13

Pulse anode current, mA

140

Reverse grid (1^st grid) current, mkA

no more than 0.5

no more than 0.5

2^nd grid current, mA

no more than 14

2^nd grid pulse current, mA

35

Dissipate cathode-heater current, mkA

no more than 20

no more than 30

Mutual conductance, mA/V

2.5±1.2

7±2

Gain coefficient

75

Internal resistance, kΩ

15

Output power, W

3

Vibration noise (at R_A=10 kΩ), V

no more than 1

Vibration noise (at R_A=2 kΩ), V

no more than 0.3

Inter electrode capacitance, pF:

input

2.2

9.3

output

0.4

8.5

transfer

3.7

0.3

Operation time, h

no less than 3000

Part

Triode

Pentode

Filament voltage, V

5.7 to 6.9

Cathode – heater voltage, V

100

Anode voltage, V

250

275

Pulse anode voltage, V

600

2500

Anode dissipation, W

1

8

2^nd grid dissipation, W

2.5

2^nd grid voltage, V

250

Cathode current, mA

15

60

Pulse cathode current, mA

250

Resistance in grid circuit, MΩ

1 – fixed bias

3 - self-bias

0.5 – fixed bias

1 - self-bias

Acceleration of vibration loads, g

2.5

at the  frequencies, Hz

50

Acceleration of multiple impacts, g

35

Ambient temperature, °?

–60 to +70

Relative humidity at up to 40°C, %

98