The EDZVT2R3.3B with Zener Diodes Diode Zener Sgl 3.3V 150mW manufactured by ROHM is a single zener diode designed for general purpose use in any circuit requiring a voltage regulator or reference point. Rated at 150mW, this device has a maximum reverse working voltage of 3.3V and is typically used for clamping, voltage regulation, and voltage reference applications. It features excellent temperature stability and noise immunity, making it a popular choice for a variety of applications, and is built on a 2mm x 2mm x 0.8mm SOD-323 miniature SMD package.