6P3S, 6P3S-E = 6n3C,
6n3C-E
Equivalent to 6L6G, 5881
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 |
900±90
|
880±40
|
| Anode current, mA |
72±18
|
73±13
|
| 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 |
11±2
|
11
|
| output |
8.2±1.5
|
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,
°Ñ |
-60
to +70
|
-60
to +160
|
| Relative
humidity at up to 40°C, % |
98
|
98
|
Plate and plate-grid curves

