BUY BZX84C2V7-7 https://www.utsource.net/itm/p/11272316.html
BZX84C2V7-7 Zener Diodes 2.7V 300mW/0.3W SOT23-2.7V marking KZC low power
Description: Zener Diode Features: Low leakage current Low zener impedance High temperature stability High reliability Low reverse current Low forward voltage drop Applications: Voltage regulation Voltage stabilization Clamping Transient suppression Surge protection (For reference only)