GU96A
POWER TRIODE
The GU96A power triode is used as an oscillator in stationary industrial RF heating generator circuits and as a power amplifier in stationary industrial transmitters.
GENERAL
Cathode: directly heated, carbonized thoriated tungsten.
Envelope: metalceramic.
Cooling: water for anode, forced air for other envelope elements.
Height: at most 232 mm.
Diameter: at most 120 mm.
Mass: at most 3 kg.
OPERATING ENVIRONMENTAL CONDITIONS  
Vibration:  
frequencies, Hz  135 
acceleration, m/s²  5 
Multiple impacts with acceleration, m/s²  150 
Ambient temperature, °C  155 
Relative humidity at up to 25 °C (without moisture condensation), %  80 
BASIC DATA Electrical Parameters 

Filament voltage, V  6 
Filament current, A  6075 
Anode current (at filament voltage 6 V, anode voltage 0.4 kV, grid voltage 200 V), at least  2.9 
Negative cutoff voltage, absolute value (at filament voltage 6 V, anode voltage 3 kV, anode current 0.1 A), V, at most  130 
Mutual conductance (at filament voltage 6 V, anode voltage 2 kV, anode currents 1 and 2 A), mA/V  2028 
Interelectrode capacitance, pF:  
gridanode  25 
gridcathode  45 
anodecathode  1 
Limit Operating Values  
Filament voltage (AC), V  6.3 
Filament starting current (peak value), A  140 
Anode voltage, kV:  
at 86250 MHz  5 
at not above 85 MHz  7 
Dissipation, kW:  
anode  4 
grid  0.2 
Operating frequency, MHz  250 
Envelope temperature at the hottest point, °C  175 
STANDARD OPERATING CONDITIONS Selfexcitation at 86250 MHz: 

Filament voltage, V  6 
Anode voltage (DC), kV  4.5 
Anode current (DC component), A  0.74 
Grid current (DC component), A  0.15 
Resistance in grid circuit, kOm  1.6 
Output power, kW  2.5 
Anode efficiency, %  75 
Selfexcitation at not above 85 MHz:  
Filament voltage, V  6 
Anode voltage (DC), kV  6.8 
Anode current (DC component), A  0.74 
Grid current (DC component), A  0.15 
Resistance in grid circuit, kOm  1.8 
Output power, kW  4 
Anode efficiency, %  79 
Averaged AnodeGrid Characteristic Curves
Averaged AnodeGrid Characteristic Curves