sg45SG45. Unique Logo or Words for any. Jurisdiction. B. G. ~. F. ~. A. K. 7. L. _J. 'K. 7. M. _J. N t. SN SIZE OODE SG45.SG45 Datasheet. Part #: DCR818SG45. Datasheet: 109Kb8P. Manufacturer: Dynex Semiconductor. Description: Phase Control Thyristor. 26 Results.