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6P6S

(6n6C)

General
Tetrode
, used in output stages of low frequency amplifiers.
Envelope: glass, with octal base.
Mass 38 g.

Lead diagram

General characteristics:

Filament voltage, Volt 6.3
Anode voltage, Volt 250
1st grid voltage, Volt -12.5
2nd grid voltage, Volt 250

Filament (heater) current, mA 47540
Anode current, mA 4613
2nd grid current, mA no more than 7.5
1st grid reverse current, mkA £ 2
Mutual conductance, mA/V 3 to 5.2
Output power, W no less than 3.6
Internal resistance, kΩ 5.2
Inter electrode capacitance, pF:  
input 9.51.6
output 3.8 to 9.2
transfer no more than 0.9
Operation time, h ³ 1000

Limited operating values:

Filament voltage, V 5,7-6.9
Anode voltage, V 350
2nd grid voltage, V 310
Cathode - heater voltage, V 180
Anode dissipation, W 13.2
2nd grid dissipation, W 2.2
Resistance in 1st grid circuit, kΩ 500

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