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Your position: Home / Electron Tubes / Industrial heating tubes
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FU-724S medium power water-cooled triode,Mainly used as power source in 2~3kW high frequency heating equipment

Mainly used as power source in 2~3kW high frequency heating equipment. This tube is water-cooled tube type of FU-724F air-cooled tube.​​
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Introduction:
1. FU-724S type electron tube is a direct-heated mesh cathode, cermet structure, high magnification, medium power water-cooled triode. Operating frequency 110MHz, anode dissipation 2.5kW, output power 3.5kW
2. Mainly used as power source in 2~3kW high frequency heating equipment. This tube is water-cooled tube type of FU-724F air-cooled tube.

一、Characteristic parameter
Filament voltage 6V Filament current 50A
Transconductance（Ia=0.5a） ≥12mA/V Minimum cooling water flow 450L/h
Cutoff voltage -95V Pulse emission current ≥30A
Interelectrode capacitance

 		 Grid-cathode 21.5pF
Anode-cathode 8.6pF
Anode-grid 15pF
Amplification factor 70 Installation method vertical
Output Power 3.5kW maximum height See outline drawing
maximum diameter See outline drawing weight 1kg
Zero grid pressure positive current ≥0.75A Cooling method Water cooling

二、Limit parameters
Maximum anode voltage 6kV Maximum operating frequency 110MHz
Anode dissipation power 2.5kW Grid power dissipation 150W
Minimum filament voltage 5.7V Maximum filament voltage 6.3V
Minimum heating time 2min    

三、Typical working state
working frequency 30MHz Anode voltage 5kV
Anode current 0.8～1.0A Output Power 3kW
 







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Average rating: 5.0 based on 1 reviews
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