BC546/7/8/9 SMD Equivalent is BC846/7/8/9 The transistor part number nomenclature are JIS, Pro Electron, and JEDEC. IS is an acronym for Japanese Industrial Standard, and it is used in Japan, Pro Electron is a European standard. JEDEC is a North American standard developed in the United States that is also...
BC546 vs BC547/BC549 Fairchild Datasheet tells you all about BC54x family of transistors High Voltage: BC546, VCEO=65V Low Noise: BC549, BC550 VCEO Collector-Emitter Voltage : BC546 : 65V BC547/550 : 45V BC548/549: 30V BC546/547/548/549/550 is made from the same process (the same silicon die) but just different screening based on...
