Detailed Product Description

Power triode ITL5-1 is a forced air cooled, ceramicmetal medium-mu amplifier factor power triode containing a thoriated tungsten carbide cathode and designed for mainly used in industrial heating service and to be operated in CW or pluse modes.
GENERAL  CHARACTERISTICS
Filament Voltage    6.3  V
Filament Current 65  A
Maximum Filament Impact Current  250 A
Appr. Amplification   20
Transconductance (Va=4kV, Ia=4A)
 23mA/V
Interelectrode Capacitance
Grid Plate 16  pF
Grid Cathode    21  pF 
Cathode Plate 0.6  pF
Operation Position  Vertical, base up or down
Weight      2.9 kg
Maximum Height (no flexible lead) 210 mm
Maximum Diameter  123 mm
Cooling      Forced Air In-coming Temprature    45
Cooling air flow ≥1 m3/min
Maximum temperature at any point on tube envelope
220
MAXIMUM RATING ABSOLUTE #118alue
Operating Frequency  150 MHz
Plate Voltage
Operating Frequency up to85MHz     7.2 kV
Operating Frequency up to85MHz    6 kV
Plate  Current    2.5 A
Grid Voltage   -1 kV
Grid Current (full load) 0.55 A
Grid Current (no load)      0.75 A
Peak Cathode Current
CW   15 A
pulse operation    20 A
Plate Dissipation   6  kW
Grid Dissipation 
Operating Frequency up to85MHz 200  W
Operating Frequency up to85MHz 170 W

TYPICAL OPERATION
RF Industrial Oscillator Class C
Operation Frequency  30         30  MHz
Plate Voltage 6.8        5.5  kV
Grid Bias    -540      -450 V
Grid Voltage    890       780  V
Plate Current  2.5       2.3  A
Grid Current (on load)0.43    0.43 A
Plate Input Power    17     12.7  kW
Plate Output Power  12.9  9.5 kW
Plate Dissipation  3.9  3  kW
Grid Dissipaiton 142   127  W
Grid Impedance      1250  1050 Ω
Feedback Ratio 15     16 %
Oscillator Efficiency  75.8  74.3 %