BUY 1N4733A 1N4733 1W 5.1V 5V1 DO-41 https://www.utsource.net/itm/p/11724671.html

The 1N4733A is a 5.1V, 1W Zener diode with a DO-41 (250 ST) package. It is designed for use in voltage regulation, surge suppression, and reverse-bias protection applications. Its low dynamic impedance and fast response time make it suitable for use in high-frequency circuits. Its low leakage current and low noise make it suitable for use in low-noise circuits. Its low reverse-leakage current makes it suitable for use in high-temperature applications. Its low thermal resistance makes it suitable for use in high-power applications. Its high power rating makes it suitable for use in high-power applications. (For reference only)