si4427bdy transistor of datasheet pdf SI4427BDYManufacturer : Vishay Siliconix Description : P-Channel 30-V MOSFET SI4427BDYManufacturer : VISAY[Vishay Siliconix] Description : P-Channel 30-V MOSFET SI4427BDYManufacturer : VISAY[VishayDescription : P-Channel 30-V MOSFET