The EN32 thyratron is of tetrode construction and this exhibit was made in East Germany.
The control ratio of the EN32 is high at 270 and the conducting voltage drop is low at 10 Volts. A pulse repetition rate is not quoted. This device was designed for industrial control applications.
The box shield with the anode lead sheathed in a ceramic tube to the base. Unlike the Mullard EN32 the evacuation tube is at the top of the envelope.
The heater on the right, control in the centre and anode on the left.
The wide glass tube envelope is 28 mm in diameter and, excluding the IO base pins, is 68 mm tall.
References: Data-sheet & 1040. Type EN32 was first introduced in 1958. See also1958 adverts.
