2SC1815 SMD Equivalent is available as the 2SC2712 (SOT-23), 2SC4738 (SOT-23), KTC3875 (SOT-23) or KTC3875S (SOT-23). 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...