requires less filament volrage and current; it replaces che [1]
880 kW
requires less filament volrage and current; it replaces che 880 cooled and is capable of dissipating 22.5 kW with a water
requires less filament volrage and current; it replaces che [2]
22.5 kW
requires less filament volrage and current; it replaces che 880 cooled and is capable of dissipating 22.5 kW with a water
when provisions are made for the reduced filament power flow of approximately
12 mA
when provisions are made for the reduced filament power flow of approximately 12 gpm. The cathode is a thuriated-
tube, differing only in its lower grid-cathode capacitance. It insulators or tension springs. Maximum ratings of
12.5 kV
tube, differing only in its lower grid-cathode capacitance. It insulators or tension springs. Maximum ratings of 12.5 kVdc
replaces the [1]
5771 kW
replaces the 5771 directly in industrial-oscillator equipment plate voltage and 60 kW plate input apply ac frequencies up
replaces the [2]
60 kW
replaces the 5771 directly in industrial-oscillator equipment plate voltage and 60 kW plate input apply ac frequencies up
and also in radio-transmitting equipment. The lower grid- to [1]
25 MHz
and also in radio-transmitting equipment. The lower grid- to 25 Mc; operation at 50 Mc is permissible with the voltage
and also in radio-transmitting equipment. The lower grid- to [2]
50 MHz
and also in radio-transmitting equipment. The lower grid- to 25 Mc; operation at 50 Mc is permissible with the voltage
cathode capacitance of the ML
356 mA
cathode capacitance of the ML-356 may require slight circuit and input reduced to three-quarters maximum ratings.
Filament Voltage
7.5 V
Filament Voltage ... 7.5 Volts
Filament Current at [1]
7.5 V
Filament Current at 7.5 Volts .................coooiiiiii 170 Amps
Filament Current at [2]
170 V
Filament Current at 7.5 Volts .................coooiiiiii 170 Amps
Filament Starting Current, maximum
800 A
Filament Starting Current, maximum ... 800 Amps
Filament Cold Resistance
0.0056 ohm
Filament Cold Resistance ......... 0.0056 Ohms
Amplification Factor
20
Amplification Factor ... 20
Water flow on anode, minimum for [1]
22.5 kW
Water flow on anode, minimum for 22.5 kW dissipation 12 gpm
Water flow on anode, minimum for [2]
12 kW
Water flow on anode, minimum for 22.5 kW dissipation 12 gpm
Maximum outgoing water temperature
70 mA
Maximum outgoing water temperature ..................... 70 °C
Maximum Glass Temperature ..o,
165 mA
Maximum Glass Temperature ..o, 165 °C
temperature at the hottest point below
165
temperature at the hottest point below 165°C. Heat radiating connectors for grid and filament posts are recommended
D-C Plate Voltage ..o [1]
12500 V
D-C Plate Voltage ..o 12500 volts modulation factor of 1.0
D-C Plate Voltage ..o [2]
1 V
D-C Plate Voltage ..o 12500 volts modulation factor of 1.0
Max. Signal Plate Input® [1]
45 V
Max. Signal Plate Input® ... 45 kw D-C Plate Voltage ...........ccoooooviviiiviiii 10000 volts
Max. Signal Plate Input® [2]
10000 V
Max. Signal Plate Input® ... 45 kw D-C Plate Voltage ...........ccoooooviviiiviiii 10000 volts
Plate Dissipation™® [1]
225 V
Plate Dissipation™® ... 225 kW D-C Grid Voltage . .. —2000 volts
Plate Dissipation™® [2]
-2000 V
Plate Dissipation™® ... 225 kW D-C Grid Voltage . .. —2000 volts
Typical Operation (Values are for [1]
2 A
Typical Operation (Values are for 2 tubes) D-C Plate Current .. 4 amps
Typical Operation (Values are for [2]
4 A
Typical Operation (Values are for 2 tubes) D-C Plate Current .. 4 amps
D-C Grid Current
0.8
D-C Grid Current 0.8 amp
D-C Plate Voltage ..., [1]
12500 V
D-C Plate Voltage ..., 12500 volts Plate Input ... 40 kW
D-C Plate Voltage ..., [2]
40 V
D-C Plate Voltage ..., 12500 volts Plate Input ... 40 kW
D-C Grid Voltage [1]
-600 V
D-C Grid Voltage ... ... ... —600 volts Plate Dissipation ..o 15 kw
D-C Grid Voltage [2]
15 V
D-C Grid Voltage ... ... ... —600 volts Plate Dissipation ..o 15 kw
Peak A-F Grid-to-Grid Voltage
1900 V
Peak A-F Grid-to-Grid Voltage ........................ 1900 volts
Zero-Signal D-C Plate Current [1]
1 V
Zero-Signal D-C Plate Current 1 amp D-C Plate Voltage ..o 10000 volts
Zero-Signal D-C Plate Current [2]
10000 V
Zero-Signal D-C Plate Current 1 amp D-C Plate Voltage ..o 10000 volts
Max.-Signal D-C Plate Current [1]
6.4 V
Max.-Signal D-C Plate Current ......................... 6.4 amps D-C Grid Voltage ... — 840 volts
Max.-Signal D-C Plate Current [2]
840 V
Max.-Signal D-C Plate Current ......................... 6.4 amps D-C Grid Voltage ... — 840 volts
Effective Load Resistance (Plate to Plate) ohms Peak R-F Grid Voltage .. w1
440 V
Effective Load Resistance (Plate to Plate) ohms Peak R-F Grid Voltage .. w1440 volts
Max.-Signal Driving Power, approximate watts D-C Plate Current
3.8 A
Max.-Signal Driving Power, approximate watts D-C Plate Current ....................... 3.8 amps
Max.-Signal Power Output, approximate kw D-C Grid Current, approximate
0.78 mA
Max.-Signal Power Output, approximate kw D-C Grid Current, approximate 0.78 amp
Driving Power, approximate
1010 mA
Driving Power, approximate ... 1010 watts
Averaged over any audio-frequency cycle of sine-wave form. Power Output, approximate
29 mA
Averaged over any audio-frequency cycle of sine-wave form. Power Output, approximate ... 29 kW
D-C Plate Voltage [1]
12500 V
D-C Plate Voltage ... 12500 15000 volts
D-C Plate Voltage [2]
15000 V
D-C Plate Voltage ... 12500 15000 volts
D-C Plate Voltage ....................... [ESTUTR [1]
12500 V
D-C Plate Voltage ....................... [ESTUTR . 12500 voles D-C Grid Voltage ........ —2000 —2000 volts
D-C Plate Voltage ....................... [ESTUTR [2]
-2000 V
D-C Plate Voltage ....................... [ESTUTR . 12500 voles D-C Grid Voltage ........ —2000 —2000 volts
D-C Plate Voltage ....................... [ESTUTR [3]
-2000 V
D-C Plate Voltage ....................... [ESTUTR . 12500 voles D-C Grid Voltage ........ —2000 —2000 volts
D-C Plate Current ... ... RO [1]
4 A
D-C Plate Current ... ... RO 4 amps D-C Piate Current ........ 6 6 amps
D-C Plate Current ... ... RO [2]
6 A
D-C Plate Current ... ... RO 4 amps D-C Piate Current ........ 6 6 amps
D-C Plate Current ... ... RO [3]
6 A
D-C Plate Current ... ... RO 4 amps D-C Piate Current ........ 6 6 amps
Plate Input [1]
33 kW
Plate Input .. ... - 33 kW D-C Grid Current ... 0.8 0.8 amp
Plate Input [2]
0.8 kW
Plate Input .. ... - 33 kW D-C Grid Current ... 0.8 0.8 amp
Plate Input [3]
0.8 kW
Plate Input .. ... - 33 kW D-C Grid Current ... 0.8 0.8 amp
Plate Input [1]
60
Plate Input .................. 60 67.5
Plate Input [2]
67.5
Plate Input .................. 60 67.5
Plate Dissipation
225 kW
Plate Dissipation . ... 225 kW
Plate Dissipation [1]
225 kW
Plate Dissipation ... . 22,5 22.5 kW
Plate Dissipation [2]
22.5 kW
Plate Dissipation ... . 22,5 22.5 kW
Typical Operation Frequency [1]
25 MHz
Typical Operation Frequency ..................... 25 2 Mc
Typical Operation Frequency [2]
2 MHz
Typical Operation Frequency ..................... 25 2 Mc
D-C Grid Voltage EUUTRTR [1]
-625 V
D-C Grid Voltage EUUTRTR —625 volts D-C Plate Voltage ........ 10000 10000 12500 15000 volts
D-C Grid Voltage EUUTRTR [2]
10000 V
D-C Grid Voltage EUUTRTR —625 volts D-C Plate Voltage ........ 10000 10000 12500 15000 volts
D-C Grid Voltage EUUTRTR [3]
10000 V
D-C Grid Voltage EUUTRTR —625 volts D-C Plate Voltage ........ 10000 10000 12500 15000 volts
D-C Grid Voltage EUUTRTR [4]
12500 V
D-C Grid Voltage EUUTRTR —625 volts D-C Plate Voltage ........ 10000 10000 12500 15000 volts
D-C Grid Voltage EUUTRTR [5]
15000 V
D-C Grid Voltage EUUTRTR —625 volts D-C Plate Voltage ........ 10000 10000 12500 15000 volts
D-C Grid Voltage ... — [1]
1150 V
D-C Grid Voltage ... — 1150 —1300 —1400 —1500 volts
D-C Grid Voltage ... — [2]
-1300 V
D-C Grid Voltage ... — 1150 —1300 —1400 —1500 volts
D-C Grid Voltage ... — [3]
-1400 V
D-C Grid Voltage ... — 1150 —1300 —1400 —1500 volts
D-C Grid Voltage ... — [4]
-1500 V
D-C Grid Voltage ... — 1150 —1300 —1400 —1500 volts
Peak R-F Grid Voltage
625 V
Peak R-F Grid Voltage ... .. ... . 625 volts
Peak R-F Grid Voltage [1]
1810 V
Peak R-F Grid Voltage .. 1810 2080 2060 2130 volts
Peak R-F Grid Voltage [2]
2080 V
Peak R-F Grid Voltage .. 1810 2080 2060 2130 volts
Peak R-F Grid Voltage [3]
2060 V
Peak R-F Grid Voltage .. 1810 2080 2060 2130 volts
Peak R-F Grid Voltage [4]
2130 V
Peak R-F Grid Voltage .. 1810 2080 2060 2130 volts
D-C Plate Current ... [PPSO TR [1]
2.4 V
D-C Plate Current ... [PPSO TR 2.4 amps Peak R-F Plate Voltage .. 7900 7600 9900 12500 volts
D-C Plate Current ... [PPSO TR [2]
7900 V
D-C Plate Current ... [PPSO TR 2.4 amps Peak R-F Plate Voltage .. 7900 7600 9900 12500 volts
D-C Plate Current ... [PPSO TR [3]
7600 V
D-C Plate Current ... [PPSO TR 2.4 amps Peak R-F Plate Voltage .. 7900 7600 9900 12500 volts
D-C Plate Current ... [PPSO TR [4]
9900 V
D-C Plate Current ... [PPSO TR 2.4 amps Peak R-F Plate Voltage .. 7900 7600 9900 12500 volts
D-C Plate Current ... [PPSO TR [5]
12500 V
D-C Plate Current ... [PPSO TR 2.4 amps Peak R-F Plate Voltage .. 7900 7600 9900 12500 volts
D-C Grid Current [1]
0 mA
D-C Grid Current ... 0 amp D-C Plate Current ... 4.5 5.6 4.7 4.4 amps
D-C Grid Current [2]
4.5 A
D-C Grid Current ... 0 amp D-C Plate Current ... 4.5 5.6 4.7 4.4 amps
D-C Grid Current [3]
5.6 A
D-C Grid Current ... 0 amp D-C Plate Current ... 4.5 5.6 4.7 4.4 amps
D-C Grid Current [4]
4.7 A
D-C Grid Current ... 0 amp D-C Plate Current ... 4.5 5.6 4.7 4.4 amps
D-C Grid Current [5]
4.4 A
D-C Grid Current ... 0 amp D-C Plate Current ... 4.5 5.6 4.7 4.4 amps
Driving Power, approximatel
1070 mA
Driving Power, approximatel . .. .. ... ... . 1070 watts D-C Grid Current, ap-
Power Qutput, approximate
12 mA
Power Qutput, approximate ... ... 12 kW
Published value [1]
1 mA
1 At crest of audio-frequency cycle with modulation factor of 1.0. mate ... 960 1440 850 770 watts
Published value [2]
1 mA
1 At crest of audio-frequency cycle with modulation factor of 1.0. mate ... 960 1440 850 770 watts
Published value [3]
960 mA
1 At crest of audio-frequency cycle with modulation factor of 1.0. mate ... 960 1440 850 770 watts
Published value [4]
1440 mA
1 At crest of audio-frequency cycle with modulation factor of 1.0. mate ... 960 1440 850 770 watts
