S4126MB SOT23-6 BPS晶丰明源照明电源带记忆调色恒流LED驱动IC ¥0.65 KP1402SG KP1402SGA KP1402ASGA KIWI必易微电子原装正品 ¥1.50 KP35101SG KP35101SGA KIWI必易微离线式PWM控制功率开关 ¥1.50 SD4943S SD4943STR SD4943 SILAN 150V非隔离DC-DC转换电源IC ¥0.60 XP3359 SOT23-6 XP3358 X-SIGNAL芯格诺单级高PF恒压两极电源IC ¥0.10 TPA6132封装QFN16 TPA6132A2RTER TI德州AIWI立体声HIFI耳机功放 ¥1.00