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3CX2500F3  /  8251              

Description:

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                                                   4000 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.

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Revised: March 15, 2007