BUY MMBZ5V6ALT3 https://www.utsource.net/itm/p/8934540.html
MMBZ5V6ALT3 TVS/ESD 3.0V 3.0A 0.225W/225mW SOT23-5.6V marking 5A6
Description: Zener Diode, 5.6V, 500mW, SOT-23 Features: - Low profile surface mount package - Low leakage current - Low zener impedance - High temperature soldering guaranteed: 260°C/10s at terminals - Pb-free lead plating Applications: - Voltage regulation - Voltage clamping - Voltage reference - Surge protection - ESD protection (For reference only)