si6443dq transistor of datasheet pdf SI6443DQManufacturer : VISAY[Vishay Siliconix] Description : P-Channel 30-V MOSFET SI6443DQManufacturer : VishayDescription : P-Channel 30-V MOSFET SI6443DQManufacturer : Vishay SiliconixDescription : P-Channel 30-V (D-S) MOSFET