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lt1083cp lt1084cp凌特稳压-三极管
稳压管7805引脚图及稳压电路图资料
全系列三端稳压管ka7905/ka7912
mc7912ctg on to-220 on全新原装三端稳压芯片mc7912ctg 12v
l7912是个负极性三端稳压器芯片