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Min. Order (MOQ)
1 Piece(s)
This valve is used for diatheramy 500 watts, pvc welding machines, pre- heating purpose, and for medical purposethe 833a is a power triode intended for use in rf amplifier, oscillator, or class b modulator service. The 833a features rugged construction for high power rf transmitter applications. The envelope is fabricated from hard glass intended specifically for the high-temperature operation of transmitting tubes. The internal tube parts are supported by low loss ceramic insulators for high-temperature operation and high voltage hold-off. The rugged grid structure is particularly well suited for industrial heating applications. Technical specifications electrical filament thoriated-tungstenvoltage (ac or dc) 10. 0 0. 5 vcurrent 10 aamplification factor (average) 35direct interelectrode capacitances (grounded filament)grid to plate 6. 3 pfgrid to filament 12. 3 pfplate to filament 8. 5 pfmaximum frequency for full ratings 30 mhzmechanical cooling forced airsocket none. Post terminalsoperating position axis vertical, with filament posts up or down; horizontal with plate in vertical plane (on edge)nominal dimensions diameter overall height 116. 8 mm (4. 60 in. ) 219. 2 mm (8. 63 in. )
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