ProTek Devices, founded in 1992 and headquartered in Tempe, Arizona, USA, is a specialized semiconductor manufacturer focused on circuit protection and analog solutions. With over 30 years of industry experience, the company designs, develops, and markets a comprehensive range of high-performance transient voltage suppression (TVS) devices, as well as analog and mixed-signal integrated circuits. Its core product lines include TVS diodes, TVS arrays, and thyristor surge protection devices, with popular series such as the SRV05-4, GBLC, SM, and PSM families providing robust ESD, EFT, and lightning surge protection for electronic systems. In addition to protection components, ProTek Devices offers analog switches, voltage references, and signal conditioning ICs to complement its protection portfolio. The company serves a wide array of markets, including automotive, industrial, telecommunications, consumer electronics, and medical equipment, delivering application-specific solutions that meet stringent reliability standards. ProTek's proprietary silicon-avalanche technology and advanced packaging enable ultra-low capacitance and high surge ratings, setting it apart in high-speed data line protection. With a strong focus on quality and engineering support, ProTek Devices has built a global customer base through a network of distributors and representatives, establishing itself as a leading niche player in the circuit protection segment. While not among the top-tier semiconductor giants, its technology leadership in TVS protection has earned it a solid reputation for solving demanding transient threats. The company continues to innovate with new products for emerging high-frequency applications, reinforcing its commitment to safeguarding next-generation electronics.