TGI1-400/3.5

Pulse thyratron TGI1-400/3.5 with an indirectly heated oxide cathode and gas filling in a glass shell. Designed for switching in linear modulator circuits in pulse mode with a current of up to 400A at an anode voltage of up to 3.5kV and a pulse repetition frequency of 50Hz. Filled with hydrogen. Operates in a vertical position with the anode facing up. Warm-up time no more than 5 minutes. Cooling is natural.

Technical specifications:

• Filament voltage: 5V
• Filament current: no more than 18V
• Amplitude of forward and reverse voltage at the anode: 3.5kV
• Current in the anode circuit per pulse: 400A
• Average current value in the anode circuit: 300mA
• Pulse repetition rate with a pulse duration of 20 μs: 50pulses/sec
• Voltage drop across the thyratron per pulse: 150V
• Ignition characteristic is positive

Maximum permissible electrical parameters:

• Highest short-term filament voltage: 5.25V
• Lowest short-term filament voltage: 4.75V
• Maximum amplitude of forward voltage at the anode: 3.5kV
• The largest amplitude of the reverse voltage at the anode during the first 25 μs after the passage of the current pulse: 1.2kV
• Maximum current in the anode circuit in a pulse: 400A
• The highest value of the average current in the anode circuit: 300mA
• The smallest voltage amplitude on the grid that provides ignition: 100V
• The highest resistance in the grid circuit: 2000Ohm
• Longest duration of anode current pulse: 20µsec

Operating time not less than 500 hours.