Taiwan semiconductor smd schottky barrier rectifier diodes 5a taiwan semiconductor sk54c r7 sk54c r7 schottky barrier rectifier diode 40v vrrm 5a ifav 120a ifsm 055v vf 20ma ir smcdo 214ab case 55c to 150c 021g weight taiwan semiconductor sk54c r7 5a 40v smd schottky rectifier diode