RN1607 to RN1609 TOSHIBA Transistor Silicon NPN Ep.
RN1608 - Silicon NPN Epitaxial Type Transistors
RN1607 to RN1609 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT Process) RN1607, RN1608, RN1609 Switching, Inverter Circuit, Interface Circuit an.