si5509dc transistor ng datasheet pdf SI5509DCtagagawa : Vishaypaglalarawan : P-Channel 20-V MOSFET SI5509DCtagagawa : VISAY[Vishay Siliconix] paglalarawan : P-Channel 20-V MOSFET SI5509DCtagagawa : Vishay Siliconixpaglalarawan : N- and P-Channel 20-V (D-S) MOSFET