BUY GDZ4V3B-V-GS08 https://www.utsource.net/itm/p/11562765.html

Description: The GDZ4V3B-V-GS08 is a Zener diode with a SOD323 package. Features: Reverse voltage of 4.3V Power dissipation of 500mW Maximum reverse current of 5mA Operating temperature range of -55°C to +150°C Application: The GDZ4V3B-V-GS08 is used in applications such as voltage regulation, overvoltage protection, and voltage reference. (For reference only)