Browse Items (2 total)

  • Tags: Tube

SC Type 250TH VT220 Eimus No. 338  (1).JPG
Eimac 250TH High-MU Triode. Base: 4 pin, No. 5001B, USA, 1951. Filament: Thoriated tungsten / Vf 5.0 volts / If 10.5 Ampere / Direct / Transconductance 6650 umhos / (Ib = 300mA, Eb = 3000, er = -20) Typically RF: Vp 4000 volts, Ip 350mA, Ic…

SC Radio Haltron box (10) No. 336a.JPG
Red cardboard outer box with 2 sided inner sleeve. Green art deco font and design. Discolouration on outer box.
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