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The 3CX1500D3 is a medium-wave, coaxial, metal-ceramic structured, air cooled triode with a thoriated tungsten cathode. The operating frequency is 110MHz, and the anode dissipation power is 1.5kW. It’s used as power oscillator in industrial heating.

Specifications:

Filament Voltage……6.3V

Filament Current……25A

Amplification Factor……24

Interelectrode Capacitances (Grounded-cathode)

         Input……61pF          Feedback……0.2pF    Output……36Pf

Installation……upright

Cooling……forced air for core and anode

Weight……1.5kg

Temperature at anode shell and seals……250℃

Length……120mm

Diameter……90mm

Maximum ratings:

Anode Voltage……7kV

Anode Current……0.8A

Anode Dissipation……1.5kw

Grid Dissipation……100W

Typical conditions (30MHz)

Anode Voltage……6kV

Grid Bias……-500V

Grid Voltage……775V

Anode Current……0.65A

Grid Current……0.11A

Anode Dissipation……1.1kW

Driving Power……85W

Anode Input Power…… 3.9kW

Anode Output Power……2.8kW

Load impedance……4700Ω