GU-81m pentode tube GU81m GU81-m gu81m USSR generator device / 1 pcs

GU-81m tube Lot of 1 The GU-81M pentode generator tube The GU-81M pentode is used in self-excited oscillation and power amplification circuits of RF equipment Type pentode Cathode type tugsten,carbuyized,direct heating Application field power amplification up to 50 MHz Brief application amplification, oscillation Envelope glass Cooling method air Dimensions 260mmx202mm Mass 1 kg Filament voltage 12.6 V Filament current at most 11 A Mutual conductance 4.5 to 6.5 mA/V Gain coefficient 2.5 to 4 Output power 0.45 kW Maximum anode voltage 550 V Maximum operating frequency 50MHz Have questions? No problem! Use this methods to contact with me: Answer to usual questions: * Yep, i can reduce shipping cost if you buy several items (shipping discout up to 50%). * Yep, i take only honest shipping price. * I ship all my items via avia post with tracking numbers. * I can accept PayPal and IBAN+BIC bank transfer in Europe Union. * Also, if parcel weight will be low i add some bonus capacitors as test samples. Powered by eCRATER . List your items fast and easy and manage your active items.