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GU-29 GU29 ГУ-29 Ulyanovsk Double Tetrode Tube USSR 829B SAME DATE NEW

Russian double beam-power tetrode tube GU-29 is used in pulse-operation circuits of RF equipment. Equivalents to the 829B. Ulyanovsk factory. Military equipment.

Made in USSR

Stamp of technical control department of the manufacturer " ОТК "

GENERAL
Cathode: indirectly heated, oxide-coated.
Envelope: glass, no-base.
Cooling: forced air.
Height: at most 110 mm.
Diameter: at most 61 mm.
Mass: at most 125 g.

OPERATING ENVIRONMENTAL CONDITIONS
Ambient temperature, °C	10 to +55
Relative humidity at up to +25 °C, %	98

BASIC DATA Electrical Parameters
Heater voltage, V	12.6
Heater current, A	1-1.3
Anode current (at anode voltage 250 V, grid 1 voltage 11 V of first tetrode, grid 1 voltage 100 V of second tetrode, grid 2 voltage 175 V), mA	38-85
Interelectrode capacitance, pF:
input, at most	13-17
output, at most	5-9
transfer, at most	0.1
Output power, W, min:
at anode voltage 400 V, grid 2 voltage at most 225 V, operating frequency 100-200 MHz	42
over 500 h of service	34

Limit Operating Values
Heater voltage, V:
with heaters connected in parallel	5.7-6.9
with heaters connected in series	11.3-13.8
Anode voltage, V	750
Grid 2 voltage, V	225
Dissipation, W:
anodes	40
grid 2	7
grid 1	1-
Envelope temperature, °C	175

This never been used, from the old stock.

Lot for 1 pc

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