Data set 01
1962 ITT
Published operating points and test conditions from this source.
Triode
Other
Filament voltage [1]
5429 V
Filament voltage 5429, 5+ 5% v
Filament voltage [2]
5 V
Filament voltage 5429, 5+ 5% v
Filament voltage [3]
5 V
Filament voltage 5429, 5+ 5% v
Filament current (nominal)
112 A
Filament current (nominal) 112 A
Filament cold resistance
0.007 ohm
Filament cold resistance 0.007 Q
Mutual conductance | at V, [1]
2 mA/V
Mutual conductance | at V, 2kV, Vg —75V 32 mA/vV
Mutual conductance | at V, [2]
-75 mA/V
Mutual conductance | at V, 2kV, Vg —75V 32 mA/vV
Mutual conductance | at V, [3]
32 mA/V
Mutual conductance | at V, 2kV, Vg —75V 32 mA/vV
Grid to anode
30
Grid to anode 30 pF
Grid to filament
60
Grid to filament 60 ’ pF
Anode to filament
1.5
Anode to filament 1.5 pF
Maximum radiator core temperature
220
Maximum radiator core temperature 220 °C
Maximum seal temperature (Note [1]
1
Maximum seal temperature (Note 1) 180 °C
Maximum seal temperature (Note [2]
180
Maximum seal temperature (Note 1) 180 °C
Note
1
Note 1.—To ensure that the stera seals are kept below the stated temperatures, it is
necessary to direct into the grid flange a flow of cooling air of the order of
10
necessary to direct into the grid flange a flow of cooling air of the order of 10 to
Published value [1]
50
50 ft3/min (0,28 to 1,42 m3/min) dependent upon the circuit and frequency
Published value [2]
28
50 ft3/min (0,28 to 1,42 m3/min) dependent upon the circuit and frequency
Published value [3]
142
50 ft3/min (0,28 to 1,42 m3/min) dependent upon the circuit and frequency
Published value [1]
214
214-LVA-001A Filament connector, smaller
Published value [2]
1
214-LVA-001A Filament connector, smaller
Published value [1]
214
214-LVA-001B Filament connector, larger
Published value [2]
1
214-LVA-001B Filament connector, larger
Published value [1]
214
214-LYA-001C Grid connector -
Published value [2]
1
214-LYA-001C Grid connector -
direct voltage plus ripple)
7 kV
direct voltage plus ripple) 7 kv
Maximum direct anode current
3 mA
Maximum direct anode current 3 A
Maximum direct anode dissipation (continuous)
6 kW
Maximum direct anode dissipation (continuous) 6 kW
Maximum direct grid dissipation (continuous)
280 W
Maximum direct grid dissipation (continuous) 280 w
Maximum direct grid current (Note [1]
2 mA
Maximum direct grid current (Note 2) 700 mA
Maximum direct grid current (Note [2]
700 mA
Maximum direct grid current (Note 2) 700 mA
Maximum negative grid bias [1]
-1
Maximum negative grid bias —1 500 \
Maximum negative grid bias [2]
500
Maximum negative grid bias —1 500 \
Note
2 W
Note 2.—-This figure is given for guidance. Grid dissipation is absolute rating.
Direct anode voltage [1]
6 kV
Direct anode voltage 6 6-5 kv
Direct anode voltage [2]
6 kV
Direct anode voltage 6 6-5 kv
Direct anode voltage [3]
-5 kV
Direct anode voltage 6 6-5 kv
Direct grid voltagz [1]
-670
Direct grid voltagz —670 —-770 \
Direct grid voltagz [2]
-770
Direct grid voltagz —670 —-770 \
Direct anode current [1]
2 A
Direct anode current 2:5 3 A
Direct anode current [2]
5 A
Direct anode current 2:5 3 A
Direct anode current [3]
3 A
Direct anode current 2:5 3 A
Peak r.f. grid voltage [1]
950 V
Peak r.f. grid voltage 950 1050 v
Peak r.f. grid voltage [2]
1050 V
Peak r.f. grid voltage 950 1050 v
Direct grid current (INote [1]
3 mA
Direct grid current (INote 3) 450 (650) 350 (500) mA
Direct grid current (INote [2]
450 mA
Direct grid current (INote 3) 450 (650) 350 (500) mA
Direct grid current (INote [3]
650 mA
Direct grid current (INote 3) 450 (650) 350 (500) mA
Direct grid current (INote [4]
350 mA
Direct grid current (INote 3) 450 (650) 350 (500) mA
Direct grid current (INote [5]
500 mA
Direct grid current (INote 3) 450 (650) 350 (500) mA
Grid dissipation (Note [1]
3 W
Grid dissipation (Note 3) 140 115 w
Grid dissipation (Note [2]
140 W
Grid dissipation (Note 3) 140 115 w
Grid dissipation (Note [3]
115 W
Grid dissipation (Note 3) 140 115 w
Grid resistor [1]
1
Grid resistor 1-5 22 k2
Grid resistor [2]
-5
Grid resistor 1-5 22 k2
Grid resistor [3]
22
Grid resistor 1-5 22 k2
Power input [1]
15 kW
Power input 15 19-5 kwW
Power input [2]
19 kW
Power input 15 19-5 kwW
Power input [3]
-5 kW
Power input 15 19-5 kwW
Output power (oscillator) [1]
11.5 kW
Output power (oscillator) 11.5 141 kw
Output power (oscillator) [2]
141 kW
Output power (oscillator) 11.5 141 kw
Power into load at [1]
85 kW
Power into load at 85%, transfer efficiency 10 12 kW
Power into load at [2]
10 kW
Power into load at 85%, transfer efficiency 10 12 kW
Power into load at [3]
12 kW
Power into load at 85%, transfer efficiency 10 12 kW
Maximum direct anode voltage
7 kV
Maximum direct anode voltage 7 kv
Maximum direct anode dissipation (intermittent)
7 kW
Maximum direct anode dissipation (intermittent) 7 kW
Maximum direct anode dissipation (continuous)
6 kW
Maximum direct anode dissipation (continuous) 6 kw
Maximum direct grid voltage [1]
-1 kV
Maximum direct grid voltage —1:5 kv
Maximum direct grid voltage [2]
5 kV
Maximum direct grid voltage —1:5 kv
Direct anode voltage
5 kV
Direct anode voltage 5 kv
Direct grid voltage —~
350 V
Direct grid voltage —~350 \
Direct anode current (zero signal), per valve
5 A
Direct anode current (zero signal), per valve 05 A
Direct anode current (maximum signal), per valve [1]
1 mA
Direct anode current (maximum signal), per valve 1-9 A
Direct anode current (maximum signal), per valve [2]
-9 mA
Direct anode current (maximum signal), per valve 1-9 A
Load resistor, anode-to-anode
2.7
Load resistor, anode-to-anode 2.7 kQ
Peak a.f. grid to grid voltage
920 V
Peak a.f. grid to grid voltage 920 v
Grid drive power, approximately ( [1]
2 W
Grid drive power, approximately (2 valves) 75 w
Grid drive power, approximately ( [2]
75 W
Grid drive power, approximately (2 valves) 75 w
Direct grid current, per valve
84 mA
Direct grid current, per valve 84 mA
Direct grid dissipation, per valve [1]
7 W
Direct grid dissipation, per valve 7-6 w
Direct grid dissipation, per valve [2]
-6 W
Direct grid dissipation, per valve 7-6 w
Output power ( [1]
2 kW
Output power (2 valves) 12 kW
Output power ( [2]
12 kW
Output power (2 valves) 12 kW
A
2
A 2 FILAMENT
Published value
3
3 GRID
*
4
* 4 ANODE
