PET3020CJ

Drop-in equivalent of RS 3020 CJ
Water Cooled Triode For Industrial RF Heating
  • Power Triode Tube Valve
  • Output Power: 32 kW (CW mode)
  • Anode voltage: 12 kV
  • Anode dissipation: 25 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]
Superior quality at a lower price with unmatched warranty of 52 weeks with no restriction on the number of hours of operation.
​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 RS3020CJ / PET3020CJ
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The RS3020CJ is a RF power triode designed for dielectric heating 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 RS3020CJ is a water cooled triode.
 
Electrical characteristics of RS3020CJ 
Cathode Filament          .           .           thoriated tungsten
Filament voltage (+ 5 %, - 10 %) .        5.7 V
Filament current            .           .          135 A
Surge current (maximum)           .       405 A
Capacitances:
• Grid to Anode          .           .              21 pF
• Grid to Cathode        .           .            52 pF
• Cathode to Anode (1)                        1 pF
Amplification factor       .           .         22 Approx.                                           
(1) Measured with a 30 cm diameter shielding plate in the grid terminal plane.
 
Mechanical characteristics of RS3020CJ 
Operating position         .           .      vertical, anode up or down
Weight  .           .           .           .         4.1 kg (9 lbs) approx.
Dimensions       .           .           .        see outline drawing
 
Maximum ratings of RS3020CJ 
Frequency         .           .           .       120 MHz
Anode voltage:
• Up to 40 MHz           .           .         12 kV
• From 40 to 80 MHz   .           .        11 kV
• From 80 to 120 MHz .           .        9 kV
Control grid voltage       .           .      - 1.3 kV
Control grid current (F < 40 MHz)
• At full load, CW        .           .            0.9 A
• At no load, CW         .           .            1.1 A
Peak cathode current, CW         .      25 A
Anode dissipation         .           .         20 kW
Grid dissipation:
• Up to 40 MHz           .           .           300 W
• From 40 to 80 MHz   .           .         230 W
• From 80 to 120 MHz .           .         180 W
Grid resistance  (at blocked tube)    15 KΩ
 
Cooling of RS3020CJ 
Anode cooling   .           .                    Water
Cooling water flow and pressure gradient         .           see cooling curves
Cooling water inlet pressure       .             .           .           6 bar max.
Water inlet temperature  .           .             .           .           35 °C max.
Temperature at any point on tube envelope    .           220 °C max.
Minimum Air flow on filament connections.       .           0.7 m3 / min
 
Typical Operation  of RS3020CJ (Class C RF oscillator for industrial applications)
Frequency         .                      .           <40                   <80                   MHz
Anode voltage   .                      .           10                    8                      kV
Anode current    .                      .           2.5                    2.4                    A
Control grid bias                       .           -900                  -750                  V
RF control grid voltage             .           1180                 1025                 V
Anode current                          .           2.5                    2.4                    A
Control Grid current                .           620                   650                   mA
Anode input power                 .           25                    19                    kW
Anode output power               .           20                    15                    kW
Anode dissipation                 .           4.3                    3.3                    kW
Control Grid dissipation.     .           150                   155                   W
Grid resistance  .           .               1.45                  1.15                  kΩ
Feedback ratio  .           .                 13.1                  14.2                  %
Oscillator efficiency       .                 80                    78                    %