GREENSTONE USA

Electron Tubes for Industrial, Broadcast and Military Applications

4CX250B  /  7203         

Description

The 4CX250B  /  7203 Vacuum tube is a radial beam tetrode with a plate dissipation of 250 Watts.

Electrical specifications for the 4CX250B  /  7203 Vacuum tube:

Filament                                                                  Oxide Coated

Voltage                                                                              6 Volts

Current                                                                          2.6 Amps

Amplification factor                                                                     5

Plate Dissipation                                                           250 Watts

Grid Dissipation                                                                2 Watts

Maximum frequency for full rating CW                           500 MHz

Capacitance Grounded cathode connection:

Input                                                                                  15.7 pF

Output                                                                                 4.5 pF

Feedback                                                                            .04 pF

Mechanical specifications for the 4CX250B  /  7203 Vacuum tube:

 Cooling                                                                       Forced Air

Base                                                                                     9 Pin

Length                                                                               2.46 in.

Diameter                                                                           1.64 in.

Weight                                                                                 4 oz.