BUY BZX84C5V1-7-99 https://www.utsource.net/itm/p/9508396.html
Description: Zener Diode, 5.1V, 500mW, SOT-23
Features:
* Low leakage current
* Low reverse current
* Low noise
* Low thermal resistance
* High stability
Applications:
* Voltage regulation
* Voltage stabilization
* Voltage protection
* Clipping
* Clamping
* Surge protection
* Switching power supplies
* DC-DC converters
(For reference only)