BUY BZX84C5V1LT1 https://www.utsource.net/itm/p/11273041.html
BZX84C5V1LT1 Zener Diodes 5.1V 225mW/0.225W SOT23-5.1V marking Z2 low power
Description: Zener Diode Features: - SOT23-5.1V package - Low leakage current - Low zener impedance - High temperature stability - High reliability Applications: - Voltage regulation - Voltage stabilization - Voltage reference - Clamping and protection circuits (For reference only)