4cx250b

... , and ceramic and metal radial beam tetrode The electron tube 4CX250B/7203 is a forced-air cooled, 250-watt plate dissipation ... and metal radial beam tetrode. The superior construction of the 4CX250B makes it ideal for use as a grid driven RF ... gmUpdate Date:2011-02-15 03:03:32 electron tube 4CX250B