The CMHZ4678 Zener Diode from CENTRAL SEMICONDUCTOR provides precise voltage regulation with a nominal Zener voltage of 3.9V. Its 5% tolerance ensures consistent performance in demanding applications. This surface mount diode, packaged in a DO-219C, is designed for efficient heat dissipation and reliable operation. With a power dissipation of 500mW, it's suitable for a wide range of electronic devices requiring stable voltage references or overvoltage protection. As an authorized distributor of CENTRAL SEMICONDUCTOR, Supreme Components International guarantees genuine components and expert support. This diode is commonly used in power supplies, communication equipment, and consumer electronics.