Russian 6C4P-EV kenotron tube, two-anode. Designed for rectification of alternating current of industrial frequency 50Hz. Equivalent to: 6Z4, EZ90, 6Z31, SV4005
Russian 6C4P-EV kenotron tube, two-anode. Designed for rectification of alternating current of industrial frequency 50Hz. Equivalent: 6Z4, EZ90, 6Z31, SV4005
Russian 5C4S kenotron tube, direct-filament, two-anode. Designed for rectification of alternating voltage. Half 5C3S. Equivalent of the 5Z4, 5Z4G, GZ30, 5CG4, 6087
Russian 5C4M kenotron tube, direct-filament, two-anode. Designed for rectification of alternating voltage. Half 5C3S. Equivalent of the 5Z4, 5Z4G, CV1863, GZ30, 5CG4, 6087, 5C4S