GU-81M / GU81M / GU-81 700W 50MHz PENTODE TUBE NOS IN BOX HAM RADIO USSR Lot 1pc

Description

GU-81M
PENTODE TUBE
USSR NOS in BOX
lot 1pcs.  or more...
GU-81M 700W 50MHz pentode is used in self-excited oscillation and power amplification circuits of RF equipment.
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
Cathode: directly heated, carbonized thoriated tungsten.
Envelope: glass, with base.
Height: at most 260 mm.
Diameter: at most 202 mm.
Mass: at most 1 kg
Robust packaging, protection against shock and vibration.
Dates and printing "
OTK
"
on tube may be different, and not necessarily with photos of lots.
I can reduce the cost of item in the declaration, to reduce customs tax!!!
Worldwide shipment
A
ir delivery
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