6ZH8

Not less than

Rated

Not more than

Heater voltage, V

6.3

Heater current, mA

275

300

325

Anode current, mA

2

3

4

1^st grid reverse current, mkA

0.5

2^nd grid current, mA

0.4

0.8

1.2

Cathode-to-heater leakage current, mkA

±20

Anode current in initial point, mkA

30

Emission current, mA

60

1^st grid thermocurrent, mkA

1

Mutual conductance, mA/V

1.3

1.65

2

Mutual conductance with underheat, mA/V

0.8

Readiness time, s

20

Capacitance, pF

grid-to-cathode

anode-to-cathode

anode-to-grid

4.9

5.2

6

7

7.1

8.8

0.005

Durability, h

2000

Shelf life, years

8

Heater voltage, V

5.7..7

Anode voltage, not more than, V

330

2^nd grid voltage, not more than, V

140

Cathode to heater voltage, not more than, V

±100

Anode power dissipation, not more than, W

2.8

2^nd grid power dissipation, not more than, W

0.7