Check the listing for details. TGI1-50/5 MELZ HYDROGEN FILLED PULSE MODULATOR THYRATRON OTK/ NOS /NIB /QTY-1. Condition: New. Listed at 50.00 USD. TGI1-50/5 MELZ HYDROGEN FILLED PULSE MODULATOR THYRATRON OTK/ NOS /NIB / QTY-1 MELZ PLANT Year made 1963! Specifications: TGI1-50/5 pulse modulator thyratron.Heating voltage 6.3 V.Heating current (with hydrogen generator) 3.2 – 4.1 A Current in the anode circuit in a pulse 50 A.Average value of the current in the anode circuit 50 mA.Pulse repetition frequency 4000 imp/s.Pulse duration 0.25 μs. Periodic instability of ignition no more than 0.04 μs. Voltage drop on the thyratron in a pulse no more than 160 V. Parameters of the grid ignition pulse: voltage amplitude not less than 150 V. Pulse duration 4-12 μs, pulse front steepness 500 - 800 V/μs, grid current amplitude 100 mA. Data of the grid circuit of the thyratron: the resistance of the resistor in the cathode circuit of the cathode follower is no more than 5 kOhm. The resistance of the leakage resistor is 35 - 50 kOhm.The capacity of the decoupling capacitor is 10,000 - 20,000 pF.