Detailed Product Description

Power triode ITL 15-2 is a RF power triode designed specifically for industrial applications.

Electrical characteristics

Filament thoriated tungsten

Filament voltage (+ 5 %, - 10 %)7.2 V

Filament current                       180 A

Surge current                           500 A max.

Cold resistance                         5 mΩ

Capacitances:

grid-anode                              25 pF

grid-cathode                           60 pF

cathode-anode                       1.4 pF

Amplification factor                   25 approx.

Transconductance (Va: 4 kV, Ia: 1 A)

60 mA/V approx.

Mechanical characteristics

Operating position vertical, anode up or down

Weight                                      9 kg approx.

Height                                       259±6mm

Diameter                                   174mm max

Maximum ratings

Frequency                                120 MHz

Anode voltage:

up to 30 MHz                          13 kV

from 30 to 60 MHz                  11 kV

from 60 to 90 MHz                  9 kV

from 90 to 120 MHz                7 kV

Control grid voltage                  - 1 500 V

Anode current, CW                   8 A

Control-grid current:

at full load, CW                       1.6 A

at no load, CW                       3 A

Peak cathode current, CW              40 A

Anode dissipation:

inlet air temperature = 25°C   17 kW

inlet air temperature = 45°C   15 kW

Grid dissipation:

up to 30 MHz                          600 W

from 30 to 60 MHz                  520 W

from 60 to 90 MHz                  460 W

from 90 to 120 MHz                400 W

Grid resistance (tube non conducting) 10 KΩ

Cooling

Anode cooling                           forced air

Inlet air temperature                 45 °C max.

Cooling air flow                  5 m3/min min.

Temperature at any point on tube envelope

220 °C max