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Pilani Electron Tubes and Devices
Contact us at (+91) 9815309603

PET3080CL

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Drop-in equivalent of RS 3080 CL
Forced Air Cooled Triode For Industrial RF Heating
  • Power Triode Tube Valve
  • Output Power: 120 kW (CW mode)
  • Anode voltage: 14 kV
  • Anode dissipation: 45 kW
  • Frequency: 100 MHz max
  • Warranty: 12 months irrespective of number of hours in operation
  • Condition: Brand New
  • Price: Please call +91-9815309603 or email: sales@pilanielectron.com
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.

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Data Sheet of PET3080CL

​The PET3080CL is a RF power triode designed for industrial heating applications. This tube uses a coaxial design and metal-ceramic technology. This triode is designed to operate in CW modes. For operation in pulse mode, the parameters depend on each equipment characteristics. Contact us for specific information. The PET3080CL is a forced-air cooled triode. 

​​Electrical characteristics
Cathode Filament              thoriated tungsten
Filament voltage (+ 5 %, - 10 %)              11 V
Filament current     205 A
Surge current (maximum)              615 A
Capacitances:
• Grid to Anode              46 pF
• Grid to Cathode           106 pF
• Cathode to Anode (see note 2)           3 pF
Amplification factor           19
Transconductance (Va: 4 kV, Ia: 3 A)        60 mA/V approx.
 
Mechanical characteristics
Operating position             vertical anode up or down
Weight         18.5 kg (41 lbs) approx.
Dimensions             see ourline drawing
 
Maximum ratings
Frequency               30 MHz
Anode voltage        14 kV
Control grid voltage            -1.5 kV
Cathode current:
   • on load, CW       2.3 A
   • off load, CW                  2.6 A
Peak cathode current, CW             85 A
Anode dissipation              45 kW
Grid dissipation       1.25 kW
Grid resistance  (at blocked tube)    8 KΩ
 
Typical Operation (Class C RF oscillator for industrial applications)

Frequency               < 30 MHz
Anode voltage        12 kV
Control grid bias                - 1055 V
RF Control grid voltage      1555 V
Anode current         12.7 A
Control grid current             2.2 A
Anode input power             151.9 kW
Anode output power           106 kW
Anode dissipation              35 kW
Control grid dissipation      942 W
Grid resistance                   485 Ω
Feedback ratio                   14.8 %
Oscillator efficiency            74.9 %
Operations at higher frequencies available upon request
 
Cooling
Anode cooling         forced air
Cooling water flow and pressure gradient              see cooling curves
Inlet air temperature            25 °C typical
Temperature at any point on tube envelope           220 °C max.
 
Cooling Curves PET3080CL (equivalent of RS 3080 CL)
(For air flow from electrode terminal side(
 
Pa : anode dissipation   Δp : pressure drop
q : air flow rate  Tout : air outlet temperature

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Constant Current Characteristics of PET3080CL (equivalent of RS 3080 CL)
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Outline Drawing (in mm) of PET3080CL (equivalent of RS 3080 CL
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