PET1184J2F TRIODEDrop-in equivalent of YD1202 / BW1184J2F / BW1184J2 / BW1184
Water Cooled Triode For high power HF / RF Industrial Heating applications like HF Tube Welders, Textile RF Dryers, Food RF Dryers and Dielectric Heaters.
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 PET1184J2F / YD1202 / BW1184J2f / BW1184J2BW1184J2F / YD1202 is a water cooled power triodes of coaxial ceramic-metal construction, intended primarily for industrial RF heating machines. They have removable water jackets. BW1184J2F / YD1202 has integral filament leads.
Electrical Characteristics of BW1184J2F / YD1202 Filament . . . . . thoriated tungsten Filament voltage (see note 1) . . . 12.2 V Filament Current . . . 255 A Surge filament current (peak) (see note 2) . 1500 A max Filament cold resistance . . . . 5.3 mΩ Peak usable cathode current . . . 106 A Amplification factor (Va = 10 kV, la = 8.0 A) . 30 Mutual conductance (Va = 10 kV, la = 8.0 A) . 150 mA/V Inter – electrode capacitances: Grid to anode . . . . . 55 pF Grid to filament . . . . 170 pF Anode to filament . . . . 2.7 pF Mechanical Characteristics of BW1184J2F / YD1202 Overall length: PET1184J2. . . . . . 446 mm PET1184J2F . . . . . 475 mm Overall diameter . . . . 190.5mm (7.500 inches) max Net weight: PET1184J2. . . . . . 11.5 kg approx PET1184J2F . . . . . 12 kg approx Mounting position (See note 3). . . . Vertical, anode up or down Accessories Water coupling, 2 supplied with tube. . . PA709B Grid connector . . . . . PA342 Thermal fuse . . . . . PA85G Radio Frequency Oscillator For Industrial Service (Class C Conditions, One Tube) Maximum Ratings (Absolute Valves) of BW1184J2F / YD1202 Frequency . . . . . 30 MHz Anode voltage . . . . . 14.4 kV max Anode input power . . . . 220 kW max Anode dissipation . . . . 80 kW max Grid voltage (negative value) . . . 2.0 kV max Grid current: on load . . . . . 4.0 A max off load . . . . . 5.5 A max Grid dissipation . . . . . 2.3 kW max Grid circuit resistance . . . . 10 kΩ max Cathode current . . . . . 22 A max Cooling The water cooling requirements of BW1184J2F / YD1202 are given in the table. Anode minimum rate of flow plus grid inlet of water inlet Outlet dissipation temperature pressure temperature (kW) (⁰C) l. /min imp.gal/min (atm) (o C) 80 20 40 8.8 0.35 50 80 50 60 13.2 0.65 70 60 20 28 6.2 0.18 52 60 50 42 9.2 0.32 72 40 20 18 4.0 0.08 54 40 50 27 6.0 0.15 73 The inlet water temperature of BW1184J2F / YD1202 must never exceed 50 ⁰C. The temperature of the seals and envelope must not exceed 200 ⁰C. Cooling of the seals by low velocity air flow or water cooled filament connectors is required. Typical Operating Conditions Frequency . . . . . 30 30 MHz Anode voltage . . . . . 12 10 kV Anode current . . . . . 18 16 A Anode dissipation . . . . 45 36 kW Grid voltage . . . . . ―1080 –700 V Grid resistor . . . . . 360 200 Ω Grid current, on load . . . . 3.0 3.5 A Grid current, off load . . . . 3.8 4.8 A Grid dissipation . . . . . 1.6 1.5 kW Feedback ratio (see note 4) . . . 15 12 % Drive power . . . . . 4.8 4.0 kW Output power . . . . . 171 124 kW Efficiency . . . . . 79.5 77.5 % Oscillator output power (see note 5) . 166 120 kW Notes
where Vg(pk) = peak R.F. grid voltage in volts and Va(pk) = peak R.F. anode voltage in volts
and Pdrive = drive power fed back to grid circuit |