HY Electronic (Cayman) (英属开曼群岛商虹扬发展科技) is a company that designs and manufactures semiconductors. Its products include diodes, bridge rectifiers, metal–oxide–semiconductor field-effect transistors (MOSFETs), power modules, protection devices, automotive devices, etc. The applications of the products include switched-mode power supply, automotive, consumer electronics, green energy, lighting, and communication.