">

6P9

(6n9)

General
Pentode
, used in output stages of wide band amplifiers and in TV videoamplifiers.
Envelope: metal cover, with octal base.
Mass 47 g.

Lead diagram

General characteristics:

Filament voltage, Volt 6.3
Anode voltage, Volt 300
1st grid voltage, Volt -3
2nd grid voltage, Volt 150
3rd grid voltage, Volt 0

Filament (heater) current, mA 65040
Anode current, mA 2010
2nd grid current, mA 4 to 9
1st grid reverse current, mkA £ 2
Dissipate cathode-heater current, mkA £ 40
Mutual conductance, mA/V 9 to 14
Output power, W no less than 2.4
Inter electrode capacitance, pF:  
input 131.5
output 7.51
transfer no more than 0.06
Operation time, h ³ 2000

Limited operating values:

Filament voltage, V 5,7-6.9
Anode voltage, V 330
2nd grid voltage, V 330
Cathode - heater voltage, V 100
Anode dissipation, W 9
2nd grid dissipation, W 1.5
Resistance in 1st grid circuit, kΩ 750

Operating environmental conditions :

Acceleration of vibration loads, g 2.5
by frequencies, Hz 50
Ambient temperature, -60 to +70
Relative humidity at up to 40C, % 98

Plate and plate-grid curves