The MMSZ4703 SOD-123 Zener Diode is a voltage regulating electronic component manufactured by Changjing Electronics Technology. It is a DO-35 package, 75 V, 3.3 V Zener diode with a maximum power dissipation of 500 mW. This device features a low reverse leakage current, a maximum Zener impedance of 10 ohms, and is RoHS compliant. It is suitable for a variety of electronic applications, including voltage regulation, ESD protection, and inverter/rectifier circuits.