PET12-1A Triode
Drop-in equivalent of ITL 12-1
Air Cooled Triode For Industrial RF Heating
Manufactured in India, in a world-class facility equipped with high quality machinery, materials and components sourced from reputed suppliers in America, Europe and Japan.
Air Cooled Triode For Industrial RF Heating
- Power Triode Tube Valve
- Output Power: 33 kW in CW
- Anode voltage: 12 kV max
- Anode dissipation: 12 kW max
- Frequency: 120 MHz max
- Warranty: 12 months irrespective of number of hours in operation
- Condition: Brand New
- Price: Please call +91-9815309603 or email: [email protected]
Manufactured in India, in a world-class facility equipped with high quality machinery, materials and components sourced from reputed suppliers in America, Europe and Japan.
Data Sheet of ITL12-1 / PET12-1A
The ITL12-1 is a RF power triode designed specifically for industrial applications. This tube uses a coaxial design and metal-ceramic technology. This triode may be operated in CW or pulse modes. For operation in pulse mode, the parameters depend on each equipment characteristics. Contact us for specific information. The ITL12-1 is a air cooled triode.
Electrical characteristics of ITL12-1
Filament . . . . . thoriated tungsten
Filament voltage (+ 5 %, - 10 %) (see note 1) 5.8 V
Filament current . . . 145 A
Surge current (maximum) . . 600 A
Cold resistance . . . . . 5 mΩ
Capacitances:
• Grid to Anode . . . . 21 pF
• Grid to Cathode . . . . 55 pF
• Cathode to Anode (see note 2) . 1 pF
Amplification factor . . . 22 (approx.)
Transconductance (Va: 10 kV, Ia: 4 A) . 50 mA/V (approx)
Mechanical characteristics of ITL12-1
Operating position . . . vertical, anode up or down
Weight . . . . . . 6.5 kg (14 lbs) approx.
Dimensions . . . . see outline drawing
Maximum ratings of ITL12-1
Frequency (see note 3) . . . 120 MHz
Anode voltage:
• Up to 30 MHz . . . . 12 kV
• From 30 to 60 MHz . . . . 9 kV
• From 60 to 90 MHz . . . . 7 kV
• From 90 to 120 MHz . . . . 6 kV
Control grid voltage . . . -1500 V
Anode current . . . . 5.5 A
Control grid current:
• At full load . . . . . 0.8 A
• At no load . . . . . 1.5 A
Peak cathode current, CW . . 28 A
Anode dissipation:
• inlet air temperature = 25°C . . 12 kW
• inlet air temperature = 45°C . . 10 kW
Grid dissipation:
• Up to 30 MHz . . . . 350 W
• From 30 to 60 MHz . . . 320 W
• From 60 to 90 MHz . . . 300 W
• From 90 to 120 MHz . . . 280 W
Grid resistance (tube non conducting) . 10 KΩ
Typical operation of ITL12-1 (see note 4)
Class C RF oscillator for industrial applications
Frequency . . . . 30 30 MHz
Anode voltage . . . . 10 8 kV
Grid bias . . . . - 640 - 560 V
Grid voltage . . . . 960 900 V
Anode current . . . . 4.3 4.8 A
Grid current, on load . . . 0.53 0.72 A
Anode input power . . . 43 38.4 kW
Anode output power . . . 33 29 kW
Anode dissipation . . . 9.6 8.6 kW
Grid dissipation . . . . 145 220 W
Grid resistance . . . . 1210 790 Ω
Feedback ratio . . . . 10.5 12.9 %
Oscillator efficiency . . . 76.5 76 %
Note:
1. At frequencies above 50 MHz, the filament voltage of ITL12-1 is reduced so that the ratio of filament voltage to current becomes the same as that without an anode voltage.
2. Measured with a 40 x 40 cm shielding plate attached to the grid plate.
3. Limited conditions above 30 MHz. Please consult Pilani Electron Tubes & Devices.
4. Operation with higher frequencies on request.
Electrical characteristics of ITL12-1
Filament . . . . . thoriated tungsten
Filament voltage (+ 5 %, - 10 %) (see note 1) 5.8 V
Filament current . . . 145 A
Surge current (maximum) . . 600 A
Cold resistance . . . . . 5 mΩ
Capacitances:
• Grid to Anode . . . . 21 pF
• Grid to Cathode . . . . 55 pF
• Cathode to Anode (see note 2) . 1 pF
Amplification factor . . . 22 (approx.)
Transconductance (Va: 10 kV, Ia: 4 A) . 50 mA/V (approx)
Mechanical characteristics of ITL12-1
Operating position . . . vertical, anode up or down
Weight . . . . . . 6.5 kg (14 lbs) approx.
Dimensions . . . . see outline drawing
Maximum ratings of ITL12-1
Frequency (see note 3) . . . 120 MHz
Anode voltage:
• Up to 30 MHz . . . . 12 kV
• From 30 to 60 MHz . . . . 9 kV
• From 60 to 90 MHz . . . . 7 kV
• From 90 to 120 MHz . . . . 6 kV
Control grid voltage . . . -1500 V
Anode current . . . . 5.5 A
Control grid current:
• At full load . . . . . 0.8 A
• At no load . . . . . 1.5 A
Peak cathode current, CW . . 28 A
Anode dissipation:
• inlet air temperature = 25°C . . 12 kW
• inlet air temperature = 45°C . . 10 kW
Grid dissipation:
• Up to 30 MHz . . . . 350 W
• From 30 to 60 MHz . . . 320 W
• From 60 to 90 MHz . . . 300 W
• From 90 to 120 MHz . . . 280 W
Grid resistance (tube non conducting) . 10 KΩ
Typical operation of ITL12-1 (see note 4)
Class C RF oscillator for industrial applications
Frequency . . . . 30 30 MHz
Anode voltage . . . . 10 8 kV
Grid bias . . . . - 640 - 560 V
Grid voltage . . . . 960 900 V
Anode current . . . . 4.3 4.8 A
Grid current, on load . . . 0.53 0.72 A
Anode input power . . . 43 38.4 kW
Anode output power . . . 33 29 kW
Anode dissipation . . . 9.6 8.6 kW
Grid dissipation . . . . 145 220 W
Grid resistance . . . . 1210 790 Ω
Feedback ratio . . . . 10.5 12.9 %
Oscillator efficiency . . . 76.5 76 %
Note:
1. At frequencies above 50 MHz, the filament voltage of ITL12-1 is reduced so that the ratio of filament voltage to current becomes the same as that without an anode voltage.
2. Measured with a 40 x 40 cm shielding plate attached to the grid plate.
3. Limited conditions above 30 MHz. Please consult Pilani Electron Tubes & Devices.
4. Operation with higher frequencies on request.