1N4728A 3.3V Zener Diode 1W

This is a 1N4728A 3.3V Zener diode rated at 1 watt. It holds a steady 3.3-volt limit in electrical circuits. This component is very common in electronics for protecting sensitive 3.3V microcontrollers and sensors from overvoltage, acting as a simple regulator, and stabilizing low-voltage power lines in custom projects.