BUY MMBZ27VALT1G https://www.utsource.net/itm/p/11564386.html

Description: Zener Diode, 27V, 500mW, SOT-23 Features: - Low profile surface mount package - High temperature soldering guaranteed: 260°C/10 seconds at terminals - Low leakage current - Low zener impedance - High reliability - High temperature stability Applications: - Voltage regulation - Voltage reference - Voltage clamping - Surge protection - Switching power supplies - Battery chargers - Automotive electronics (For reference only)