6I1P-EV

Filament current, mA

300±25

Cathode-to-heater leakage current, mkA

≤20

Triode part

Anode current, mA

6.8±3

Grid reverse current. mkA

≤0.5

Mutual conductance, mA/V

2.3-0.6

Mutual conductance (at U_f = 5.7 V), mA/V

≥1.5

Gain ratio

18±3

Interelectrode capacitance, pF

input

output

input-to-output

2.5±0.4

1.9±0.25

1.15±0.2

Heptode part

Anode current, mA

3.6+1.4/-1.5

2^nd and 4ht grid current, mA

6.5+3/-2.5

Heptode 3^rd grid and triode grid current, mkA

180±30

1^st grid reverse current, mkA

≤0.5

Internal resistance, MOhm

0.7

Conversion conductance, mA/V

at U_f = 6.3 V

at U_f = 5.7 V

0.75-.25

≥0.55

Interelectrode capacitance, pF

input for 1^st grid

input for 3^rd grid

output

input-to-output for 1^st grid

heptode anode-to-triode anode for 1^st grid

heptode anode-to-triode grid

heptode anode-to-heptode 3^rd grid (connected to triode grid)

heptode 1^st grid-to-triode anode

heptode 1^st grid-to-heptode 3^rd grid (connected to triode grid)

heptode 1^st grid-to-triode grid

5.1±1

5.9±0.9

6.6±1.1

≤0.007

≤0.24

≤0.1

≤0.35

≤0.06

≤0.45

≤0.17

Durability, h

≥5000

Durability criteria

triode 1^st grid reverse current, mkA

triode mutual conductance, mA/V

heptode conversion conductance, mA/V

≤1

≥1.5

≥0.5

Filament voltage, V

6..6.6

Triode anode voltage, V

250

Triode anode voltage in off-state, V

500

Heptode anode voltage, V

300

Heptode anode voltage in off-state, V

500

2^nd to 4^th grid voltage, V

300

2^nd to 4^th grid voltage in off-state, V

500

Cathode-to-heater voltage, V

200

Heptode cathode current, mA

12.5

Triode cathode current, mA

10

Heptode anode power dissipation, W

1.55

Triode anode power dissipation, W

0.75

2^nd and 4^th grid power dissipation, W

0.9

Triode grid circuit resistance, MOhm

0.5

Heptode 1^st grid circuit resistance, MOhm

2

Heptode 3^rd grid circuit resistance, MOhm

3

Envelope temperature, ^oC

150

Vibratory loads

frequency, Hz

acceleration, g

5..600

10

Multiple mechanical impact acceleration, g

150

Single mechanical impact acceleration, g

500

Linear acceleration, g

100

Ambient air temperature, ^oC

-60..+200