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6F5P

General

Ttriode-Pentode
Triode  used as an low frequency amplifier and oscillator.
Pentode used in output unit of frame scan of TV (with 110O beam deflection).
Envelope: miniature glass.
Mass 20 g.

Lead diagram

General characteristics:

Filament voltage, Volt

6.3

Anode voltage of triode, Volt

100

Anode voltage of pentode, Volt

185

2nd grid voltage of pentode, Volt

185

Resistance in cathode circuit of tetrode, Ω

160

Resistance in cathode circuit of pentode, Ω

340

 

Part

Triode

Pentode

Filament (heater) current, mA

92565

Anode current, mA

5.21.8

419

Reverse grid (1st grid) current, mkA

no more than 1

2nd grid current, mA

2.7

Mutual conductance, mA/V

7

7.5

Gain coefficient (MU)

7020

Inter electrode capacitance, pF:

input

3.5

11.7

output

0.25

8.8

transfer

1.8

0.7

Operation time, hour

more than 3000

Limited operating values:

Part

Triode

Pentode

Filament voltage, V

5.7 to 7

Cathode heater voltage, V

100

Bulb temperature, OC

220

Anode voltage, V

250

300

Pulse anode voltage, V

2000

2nd grid voltage, V

250

Cathode current, mA

15

75

Pulse cathode current, mA

200

Anode dissipation, W

0.5

9

2nd grid dissipation, W

2

Resistance in grid circuit, MΩ

1 fixed bias

3.3 - self-bias

1 fixed bias

2.2 - self-bias

We do not advise to use fixed bias!

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 and plate-grid curves

Plate curves of triode                           Plate curves of pentode


Plate-grid curves of triode                    Plate-grid curves of pentode