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GU81M

Name GU81M Type pentode Cathode type tugsten,carbidized,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

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