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6P3S, 6P3S-E

(6n3C, 6n3C-E)

General
Tetrode
, used in output stages of low frequency amplifiers.
Envelope: glass, with octal base.
Mass 70 g.

Lead diagram

General characteristics:

Type 6P3S 6P3S-E
Filament voltage, Volt 6.3 6.3
Anode voltage, Volt 250 250
1st grid voltage, Volt -14 -14
2nd grid voltage, Volt 250 250

Type 6P3S 6P3S-E
Filament (heater) current, mA 90090 88040
Anode current, mA 7218 7313
2nd grid current, mA no more than 9 no more than 6
1st grid reverse current, mkA £ 3 £ 0.5
Cathode current, mA no less than 275 -
Output power, W no less than 5.4 no less than 5.8
Mutual conductance, mA/V 5.2 to 6.8 5.2 to 6.8
Internal resistance, kΩ 25 no more than 65
Inter electrode capacitance, pF:    
input 112 11
output 8.21.5 6.7
transfer no more than 1 no more than 1
Operation time, h ³ 1000 ³ 5000

Limited operating values:

Type 6P3S 6P3S-E
Filament voltage, V 5,7-7 6-6.6
Anode voltage, V 375 250
2nd grid voltage, V 300 250
Cathode - heater voltage, V 100 90 / -200
Cathode current, mA - 90
Anode dissipation, W 20 20.5
2nd grid dissipation, W 2.75 2
Resistance in 1st grid circuit, kΩ 500 150

Operating environmental conditions :

Type 6P3S 6P3S-E
Acceleration of vibration loads, g 1.5 3
by frequencies, Hz 50 5 to 300
Acceleration of multiple impacts, g - 12
Acceleration of single impact, g - 100
Continuos acceleration, g - 100
Ambient temperature, -60 to +70 -60 to +160
Relative humidity at up to 40C, % 98 98

Plate and plate-grid curves