3CX2500F3

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The 3CX2500F3  /  8251  Vacuum tube is a medium mu triode used in Industrial RF Heating applications.

Electrical specifications for the 3CX2500F3  /  8251 Vacuum tube.

Filament                                                   Thoriated Tungsten mesh

Voltage                                                                            7.5 Volts

Current                                                                         51.5 Amps

Amplification factor                                                                    20

Plate Dissipation                                                         4,000 Watts

Grid Dissipation                                                             150 Watts

Maximum frequency for full rating CW                             75 MHz

Capacitance Grounded cathode connection:

Input                                                                                      35 pF

Output                                                                                    .9 pF

Feedback                                                                              20 pF

Mechanical specifications for the 3CX2500F3  /  8251 Vacuum tube:

Cooling                                                                         Forced Air

Base                                                                         Flexible leads

Length                                                                              18.44 in.

Diameter                                                                            4.16 in.

Weight                                                                               7.5 lbs.