We find this circuit in an American 1980s documentation. The unijunction transistor may be the 2N2646 and the pulse transformer has the characteristics given next to the diagram. The SCR shall be fitted with a heat sink. The diodes are for 20 A.
We find this circuit in an American 1980s documentation. The unijunction transistor may be the 2N2646 and the pulse transformer has the characteristics given next to the diagram. The SCR shall be fitted with a heat sink. The diodes are for 20 A.