Introduction: SSDI was founded in 1967, mainly providing sealed semiconductor devices and components for aerospace and defense applications. The product line is mainly distributed in aerospace and defense products, high-voltage discrete devices, high-power discrete, hybrid power and modules, end-of-life/DMS solutions, and power industry products. SSDI products mainly include rectifiers, Schottky diodes, rectifier bridges, and Zener diodes TVS、 Thyristor, Field Effect Transistor, Gallium Nitride (GaN) Power FET, Field Effect Transistor IGBT、 Transistors, ICs and voltage regulators, power modules, hybrid power, high-voltage components, special devices; SSDI official website: www.ssdi-power.com.