si4894bdy transistor of datasheet pdf SI4894BDYManufacturer : VISHAY Description : N-Channel, 30-V MOSFET SI4894BDYManufacturer : National SemiconductorDescription : N-Channel, 30-V MOSFET SI4894BDYManufacturer : Vishay SiliconixDescription : N-Channel, 30-V (D-S) MOSFET