BUY BZX55C15V 1/2W 15V https://www.utsource.net/itm/p/9278463.html

Description: The BZX55C15V is a 1/2W Zener diode with a voltage rating of 15V. Features: Low leakage current High stability Low noise High surge capability Low reverse current Low forward voltage drop Applications: Voltage regulation Voltage stabilization Voltage clamping Voltage limiting Surge protection ESD protection (For reference only)