MMSZ3V9T1G, SOD-123, 3.9V, 0.5W. Housing: SOD-123. Housing (JEDEC standard): -. Zener breakdown voltage Uz [V], nom.: 3.9V. Maximum dissipation Ptot [W]: 0.5W. Component family: zener diode, SMD mounting, max 225mW. Configuration: surface-mounted component (SMD). Leakage current on closing Ir [A] @ Ur [V]: 3.9k Ohms. Max temperature: +150°C.. Number of terminals: 2. RoHS: yes. Zener Impedance Zzt[Ohm] @ Iz[A]: 90 Ohms @ 5mA. Original product from manufacturer: Onsemi. Minimum quantity: 10. Quantity in stock updated on 11/13/2025, 16:30