The CMPZ4689 is a Zener diode manufactured by Central Semiconductor, designed for precise voltage regulation. This single diode features a Zener voltage of 3.9V with a tolerance of ±5%. Encased in a compact SOT-23 surface mount package, it's ideal for space-constrained applications. With a power dissipation of 500mW, the CMPZ4689 is suitable for use in voltage clamping, transient voltage suppression, and other voltage stabilization circuits. As an authorised distributor, Supreme Components International ensures the authenticity and quality of this Central Semiconductor product. This diode offers reliable performance and is a crucial component in many electronic designs requiring stable voltage references.