The CP301-2N3439 Zener diode, manufactured by CENTRAL SEMICONDUCTOR, is a reliable component for voltage regulation and protection circuits. As an authorized distributor, Supreme Components International guarantees the authenticity and quality of this diode. This single Zener diode has a nominal voltage of 3.9V with a ±5% tolerance. It can dissipate up to 500mW of power. The DO-204AH package allows for easy through-hole mounting on PCBs. Ideal for applications requiring stable voltage references or overvoltage protection, the CP301-2N3439 offers consistent performance and long-term reliability. Ensure proper heat sinking for optimal performance at higher power levels. This diode is a great choice for both prototyping and production environments.