Browse Items (2 total)

  • Tags: Eimac 250TH

SC Eimus Type 250TH VT220 No. 342(1).JPG
Eimac 250TH High-MU Triode. Base: Special 4- pin, USA, 1953. Filament: Thoriated tungsten / Vf 5.0 volts / If 10.5 Ampere / Direct / Transconductance 5600 umhos / (Ib = 300mA, Eb = 3000) Typically RF: Vp 4000 volts Ip 350mA Ig 93mA Plate dissipation…

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…
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