This tetrode thyratron is built on a glass disc base. The base is dished and the supports for the electrodes pass through beads of glass. The wires are then connected to the octal base pins. Close visual inspection suggests that the wires that pass through the base do not directly mate up with the base pins.

The control ratio is high at 350 and the voltage drop across the tube when conducting is 9 Volts.

The wide glass tube envelope is 28 mm in diameter and, excluding the IO base pins, is 70 mm tall.

 
Pin Connections

IO	1	2	3	4	5	6	7	8
	-	h	a	-	g1	g2	h	k

 
Absolute Maximum Operating Conditions

Thyratron	Vh	Ah	Va	mAa
	6.3	1.0	600	1,250

Thanks to Frank Philipse for supplying the above datasheet

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This exhibit was last updated on 12 June 2007 {find valves by name}