STMicroelectronics 1.5KE33A, Uni-Directional TVS Diode, 1500W, 2-Pin DO-201:

The STMicroelectronics 1.5KE33A is a uni-directional Transient Voltage Suppression (TVS) diode designed for protecting sensitive electronic components from voltage spikes and transient surges. With its high power rating of 1500W, this diode is ideal for use in data lines, power supplies, and automotive circuits where fast transient voltage protection is needed.