4CX350A

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The 4CX350A  /  8321 Vacuum tube is used in class AB audio & RF Amplifiers, it has a maximum plate dissipation of 350 Watts.

Electrical specifications for the 4CX350A  /  8321 Vacuum tube:

Filament                                                                    Oxide Coated

Voltage                                                                               6 Volts

Current                                                                           2.9 Amps

Amplification factor                                                                    13

Plate Dissipation                                                             350 Watts

Grid Dissipation                                                                  0 Watts

Maximum frequency for full rating CW                            110 MHz

Capacitance  Grounded Cathode connection:

Input                                                                                   23.6 pF

Output                                                                                  5.6 pF

Feedback                                                                              .03 pF

 Mechanical specifications for the 4CX350A  /  8321 Vacuum tube:

 Cooling                                                                        Forced Air

Base                                                                                       9 Pin

Length                                                                                2.47 in.

Diameter                                                                             1.64 in.

Weight                                                                                    4 oz.