The 1N5189 Zener diode, manufactured by CENTRAL SEMICONDUCTOR, is a reliable component for voltage regulation and protection circuits. As an authorized distributor, Supreme Components International offers this diode with guaranteed quality and traceability. This single Zener diode has a nominal voltage of 3.9V with a ±5% tolerance and a power dissipation of 500mW. Encased in a DO-35 package, it's ideal for applications requiring stable voltage references, surge suppression, and clipping circuits. Its compact size allows for easy integration into densely populated PCBs. Trust Supreme Components International for your electronic component needs.