FU-81 ia a power glass in direct thermal carbonization thorium-tungsten cathode emission pentode,anode cooling method is natural cooling,the maximum anode dissipation power is 450W,the maximum operating frequency is 50MHz,the pipes are mainly used for radio equipment and medical equipment for power amplificatiopn or oscillation.
Dimensions for 12pcs carton: 90*70*41cm
GW= about 20 KGS
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Model
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FU-81
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Equivalent model
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GU-81M
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Output power(KW)
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0.75
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Cathode
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Cathode materials
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Thoriated Tungsten
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Voltage(V)
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12.6
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Current(A)
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10.5
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Main electric parameters
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Dg1g2
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31.5%
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Inter-electrode Capacitances (PF)
(Cathode earthed)
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Filament-Grid
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0.1
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Filament-Anode
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25~32
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Anode-Grid
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21~26
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Maximum
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Maximum anode dissipation (KW)
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0.45
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Maximum grid dissipation (W)
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pg1-10;
pg2-120
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Maximum anode DC voltage (KV)
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3
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Maximum frequency (MHz)
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50
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Cooling
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F
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Weight (kg)
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1
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Additional: The information here may be modified with the products variation.
Cooling: F--Forced air cooling S--Water cooling Z--Vapor cooling
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For delivery time:
Generally, we will dispatch the items within 7 days upon order confirmation; some items may need 15~21 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.
For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.
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