The CMPZ4690 is a Zener diode manufactured by Central Semiconductor, ideal for precise voltage regulation. Encased in a compact SOT-23 package, this surface mount diode offers a Zener voltage of 3.9V with a 5% tolerance. With a power dissipation of 500mW, it's well-suited for applications requiring stable voltage references and overvoltage protection. Its small size and reliable performance make it a popular choice for modern electronic designs. As an authorised distributor of Central Semiconductor, Supreme Components International guarantees the authenticity and quality of the CMPZ4690. This diode is commonly used in power supplies, communication equipment, and consumer electronics.