The product is a set of 20 IC SANKEN SK ZIP-9 (TO-3PF-9) STRS3115 STR-S3115 S3115 components. These electrical equipment and supplies are specifically designed for industrial use and are produced by the reputable brand Sanken. The components are ideal for a variety of electrical and electronic applications, offering reliability and performance in a compact size. Perfect for businesses and professionals in the electrical equipment and supplies industry.