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6F3P
63

General

Ttriode-Pentode
Triode  used as an low frequency preamplifier or main oscillator in frame scan of TV.
Pentode used as an low frequency final amplifier or final amplifier in frame scan of TV.
Envelope: miniature glass.
Mass 20 g.

Lead diagram

General characteristics:

Filament voltage, Volt

6.3

Anode voltage of triode, Volt

170

Grid voltage of triode, Volt

-1.5

Anode voltage of pentode, Volt

170

1st grid voltage of pentode, Volt

-11.5

2nd grid voltage of pentode, Volt

170

Resistance in cathode circuit, Ω

680

 

Part

Triode

Pentode

Filament (heater) current, mA

81080

Anode current, mA

2.51.2

4113

Pulse anode current, mA

140

Reverse grid (1st grid) current, mkA

no more than 0.5

no more than 0.5

2nd grid current, mA

no more than 14

2nd grid pulse current, mA

35

Dissipate cathode-heater current, mkA

no more than 20

no more than 30

Mutual conductance, mA/V

2.51.2

72

Gain coefficient

75

Internal resistance, kΩ

15

Output power, W

3

Vibration noise (at RA=10 kΩ), V

no more than 1

Vibration noise (at RA=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

Limited operating values:

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

2nd grid dissipation, W

2.5

2nd 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

Operating environmental conditions :

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 40C, %

98

Plate-grid and plate curves of triode


Plate curves                       Plate-grid curves

Plate-grid and plate curves of pentode

 
Plate curves                       Plate-grid curves