BD204 silicon PNP transistor. Package: early TOP-66 (*) Awaiting further info. Status: NOS (New Old Stock) found left on the shelf of a leading UK distributor ! , manufacturer unknown, but will be resolved in time..... Tested components: YES all Hfe gains over : the minimum 30 One for the collectors : YES RoHS compliant: no * unusual and obsolete package from 1971 / 72