Electron Tubes for Industrial, Broadcast and Ham Radio Applications
Call us Toll Free at: 877-206-5021 
YU191A YU191B
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Filament
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Thoriated Tungsten
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Filament Voltage
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7.5V
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Filament Current
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51.5A
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Capacitances
(Gnd.Kath. Connection)
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Input
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38.1pF
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Output
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0.6pF
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Feed-through
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24.0pF
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Capacitances
(Gnd.Grid. Connection)
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Input
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38.1pF
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Output
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24.0pF
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Feed-through
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0.6pF
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Amplification Factor
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160
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Plate Dissipation (Max.)
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4000W
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Grid Dissipation (Max.)
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225W
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Frequency for Max.
Ratings(CW)
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110MHz
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Cooling
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Plate
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Water
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Stem
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Air
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Maximum Seal&Anode Core
Temperature
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250℃
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Weight(approximate)
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1.7kg
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Operating Position
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Vertical, base up
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Class of Operation
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Type of Service
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Max. Ratings
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TYPICAL OPERATION
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Plate Voltage
(V)
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Plate Current
(A)
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Plate Voltage
(V)
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Plate Current
(A)
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Drive Power
(W)
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Output Power
(W)
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C
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Kathode Driven RF
Amplifier
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5000
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2.5
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4800
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1.54
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435
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5500+
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AB2
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Grid Driven AF Amplifier
or Modulator
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5000
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2.5
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4000
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3.58*
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115
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10500
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* Two tubes +Useful
Power Output
GREENSTONE USA
Copyright © 2001 GREENSTONE USA All rights reserved.
Revised:
May 04, 2011
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