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TGI2-500/20 Pulse thyratron TGI2-500/20 with a heated cathode and gas filling in a metal-ceramic design. Designed to switch pulses with a current of up to 500 A at an anode voltage of no more than 20 kV. The TGI2-500/20 thyratron is used in special-purpose radio engineering devices. It is produced in a metal-ceramic design, filled with hydrogen. It operates in a vertical position, with the anode output upward. Warm-up time is no more than 10 min.

Overall dimensions of the TGI2-500/20 thyratron: - length - 127 mm; - diameter - 84 mm. 

Technical characteristics and electrical parameters of the TGI2-500/20 thyratron: 

- Anode voltage: 20 kV; - Reverse anode voltage: 3.0 kV; - Anode pulse current: 500 A; 

- Average anode current: 0.5 A;

 - Anode current pulse duration: 0.1-0.2 μs; 

- Pulse repetition frequency: 1000 imp/s; 

- Warm-up time: 10 min; - Heater current: 20.5 A.