GU-100B

TRIODE

The GU-100B triode is used as an oscillator in stationary industrial RF heating generators and as a power
amplifier in stationary industrial transmitters.

GENERAL
Cathode: directly heated.
Envelope: metal-ceramic.
Cooling: forced air.
Working position: upright with anode down.
Height: at most 265 mm.
Diameter: at most 150 mm.
Mass: at most 7 kg.

A - anode; C - grid; K1, K2 - cathode

OPERATING ENVIRONMENTAL CONDITIONS
Vibration loads:
frequencies, Hz	1-35
acceleration, m/s²	5
Multiple impacts with a peak acceleration of m/s²	150
Ambient temperature, °C	-10 to +55
Relative humidity at up to ±25 °C without moisture condensation, %	98

BASIC DATA Electrical Parameters
Filament voltage, V	5
Filament current, A	62-82
Peak anode current (at filament voltage 5 V, anode voltage 0.5 kV, grid voltage 500 V, bias voltage -400 V), A, at least	6
Negative cutoff voltage, absolute (at filament voltage 5 V, anode voltage 6 kV, anode current 0.1 A), V, at most	350
Gain coefficient (at filament voltage 5 V, anode voltages 0.5 kV and 2 kV, anode current 3A)	15-28
Output power in self-excitation mode, kW:
at up to 10 MHz (at filament voltage 5 V, anode voltage 8 kV, grid bias voltage -350 V, anode current 1.6 A, grid current 0.4 A)	10
at 10-150 MHz (at filament voltage 5 V, anode voltage 6 kV, grid bias voltage -350 V, anode current 1.35 A, grid current 0.32 A)	6.3
Interelectrode capacitance in a grounded-cathode circuit, pF:
input, at most	50
output, at most	1.2
transfer,at most	30

Limit Operating Values
Filament voltage, V	5.3
Anode voltage (DC), kV:
at frequencies up to 10 MHz	8
at frequencies 10-150 MHz	6
Negative bias voltage, absolute value, V	550
Filament current (peak value), A	160
Grid current (DC component), A:
at frequencies up to 10 MHz	0.5
at frequencies up to 10-150 MHz	0.45
Dissipation, W:
anode	6x10³
grid	400
Operating frequency, MHz	150
Envelope temperature (except for anode) at the hottest point, °C	175
Anode temperature, °C	200

Averaged Anode-Grid Characteristic Curves:
U_f = 50V;
_____ anode-grid;
- - - grid

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