Surge Suppression ICs are designed to keep electrical devices safe from excess voltage and/or current. Components in this family are designed using semiconductor materials. The characteristics are clamping voltage, technology, number of circuits, applications, and mounting type. The technologies are external or internal switch with the number of circuits being 1, 2, 3, or 4. Target applications are automotive, Ethernet, general purpose, portable equipment, SLIC, USB, USB OTG, and others.