MSThe MMSZ3V9CW with Zener Diodes is a SOD-123 RoHS manufactured by Formosa MS. This electronic part is a Surface Mount (SMT) Zener Diode package featuring a 3.9 V Zener voltage. It has a power rating of 500 mW, a very low current leakage, and excellent power-temperature stability. Additionally, this Zener Diode part is ideal for loads with higher capacitance and in higher voltage circuits. The RoHS component is lead-free and its design is optimized for a better capacitance and temperature stability. It is suitable for a variety of applications, such as high-current applications, higher voltage circuits, and high temperature applications.