BUY 1N5231B DIODE ZENER 5.1V 500MW DO35 https://www.utsource.net/itm/p/8646889.html

Description: The 1N5231B is a 500mW Zener diode with a 5.1V breakdown voltage. It is designed for use in general-purpose voltage regulation and reference applications. Features: 5.1V Zener Voltage 500mW Power Dissipation Low Leakage Current Low Noise Low Temperature Coefficient High Reliability RoHS Compliant Applications: Voltage Regulation Voltage Reference Voltage Clamping Overvoltage Protection Power Supply Regulation Battery Chargers Automotive Electronics (For reference only)