Transient voltage suppressors axial 600w taiwan semiconductor p6ke200a r0 p6ke200a r0 transient voltage suppressor diode axial unidirectional 200v nominal voltage 600w ppk 100a ifsm 355v vf do 15 case 55c to 175c 042g weight taiwan semiconductor p6ke200a 600w 200v 5 unidirectional transzorb tvs diode