First line: replacement BC107 ula ferranti ZTX1078* FERRANTI ELECTRONICSÂ ferranti ula DESCRIPTION These plastic encapsulated general purpose transistors designed small medium signal amplifications from d.c. radio frequencies. Application areas include: Audio Frequency Amplifiers, Driver Output Stages, OscillatAbstract: .. 108, 109 ratio ZTX107A 108A ZTX1078, 108B, 109B ZTX108C.109C Transition frequency. 1 hFE. -125 .. Tags: ferranti ulaFERRANTI ELECTRONICSÂZTX1078*ula ferrantireplacement BC107datasheet abstract..