The 1N5188 Zener diode, manufactured by CENTRAL SEMICONDUCTOR, is a silicon Zener diode designed for voltage regulation and protection. Supreme Components International is an authorised distributor of CENTRAL SEMICONDUCTOR components. This single diode features a Zener voltage of 3.9V with a tight tolerance of 5%. Encased in a DO-35 package, it's suitable for through-hole mounting. With a power dissipation of 500mW, the 1N5188 is commonly used in various electronic circuits to maintain a stable voltage level. Its robust design ensures reliable operation in demanding environments. Applications include voltage stabilization, overvoltage protection, and clipping circuits.