6P31S

Filament current, A

1.3±0.15

1^st grid reverse current

≤2

Anode current, A

80±30

Anode current (at plateau, U_a=70 V, U_g2=170 V, U_g1=-1 V), A

100

2^nd grid current, A

≤8.5

Leakage current, µA

cathode-to-filament

1^st grid to other electrodes

≤100

≤20

Transconductance, mA/v`

12.5±4

Internal resistance, k?

≤5

Interelectrode capacitance, pF

input

output

input-to-output

cathode-to-filament

18±3

8.5±1.5

≤1.3

≤25

Durability, h

≥1500

Durability test

Transconductance, mA/v`

≥6

Filament voltage V

5.7-6.9

Anode voltage, V

300

Anode voltage on startup, V

550

Anode impulse voltage (impulse duration ≤12 µs), V

7000

2^nd grid voltage, V

250

2^nd grid voltage on startup, V

550

1^st grid voltage (negative), V

150

Cathode-to-filament voltage, V

200

Cathode current, A

impulse

average

0.6

0.2

Anode power dissipation, W

10

2^nd grid power dissipation, W

4

Anode and 2^nd grid total power dissipation, W

13

1^st grid power dissipation, W

0.2

Envelope temperature, ^oC

250

Scanning frequency, kHz

12

Sinusoidal vibration

frequency, Hz

acceleration, g

20-250

6

Multiple impact acceleration, g

75

Linear acceleration, g

100

Ambient air temperature, ^oC

-60..+100