isc Thyristors S4008L APPLICATIONS With TO-220 insulated package It is suitable to fit all modes of control found in applications such as overvoltage crowbar protection,motor control circuits in power tools and kitchen aids,in-rush current limiting circuits, capacitive discharge ignition, voltage regulation circuits etc. Minimum Lot-to-Lot variations for robust device performance and reliable operation. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VDRM/VRRM Repetitive p.