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 6F1P

61

General

Ttriode-Pentode

Triode-Pentode  used as an high frequency amplifier, oscillator or converter as well as in pulsed scanning circuits and automatic gain control circuit of TV.

Envelope: miniature glass.

Mass 20 g.

 Lead diagram

    

General characteristics:

Filament voltage, Volt

6.3

Anode voltage of triode, Volt

100

Grid voltage of triode, Volt

-2

Anode voltage of pentode, Volt

170

1st grid voltage of pentode, Volt

-2

2nd grid voltage of pentode, Volt

170

Part

Triode

Pentode

Filament (heater) current, mA

42040

Anode current, mA

135

105

Reverse grid (1st grid) current, mkA

no more than 1

no more than 0.5

2nd grid current, mA

no more than 4.5

Dissipate cathode-heater current, mkA

no more than 20

Dissipate (1st) grid-other electrodes current, mkA

no more than 10

Dissipate plate-other electrodes current, mkA

no more than 30

Mutual conductance, mA/V

51.5

6.22.2

Gain coefficient

20

Internal resistance, MΩ

0.4

0.4

Input resistance, kΩ:

at 50 MHz

4

at 100 MHz

1

Equivalent noise resistance, kΩ

4

Vibration noise (at RA=10 kΩ), mV

no more than 200

Vibration noise (at RA=2 kΩ), mV

no more than 200

Inter electrode capacitance, pF:

input

2.50.05

5.5

output

0.350.15

3.4

transfer

1.450.35

0.025

 Limited operating values:

Part

Triode

Pentode

Filament voltage, V

5.7 to 6.9

Anode voltage, V

250

250

2nd grid voltage, V

175 to 200

Cathode heater voltage, V

100

Cathode current, mA

14

Anode dissipation, W

1.5

2.5

2nd grid dissipation, W

0.7

Resistance in grid circuit, MΩ

0.5

1

Operating environmental conditions :

Part

Triode

Pentode

Acceleration of vibration loads, g

2.5

at the  frequencies, Hz

50

Acceleration of multiple impacts, g

12

Ambient temperature, ?

60 to +70

Relative humidity at up to 40C, %

98

 Plate curves of triode

 Plate-grid and plate curves of pentode

  

Plate-grid curves                                 Plate curves