RoHS: yes. Component family: zener diode, SMD mounting, max 225mW. Housing: PCB soldering (SMD). Housing: SOD-123. Configuration: surface-mounted component (SMD). Number of terminals: 2. Zener breakdown voltage Uz [V], nom.: 3.9V. Leakage current on closing Ir [A] @ Ur [V]: 3.9k Ohms. Zener Impedance Zzt[Ohm] @ Iz[A]: 90 Ohms @ 5mA. Maximum dissipation Ptot [W]: 0.5W. Operating temperature range min (°C): -55°C. Operating temperature range max (°C): +150°C