RoHS: no. Housing: PCB soldering. Housing: DO-201. Configuration: PCB through-hole mounting. Number of terminals: 2. Zener breakdown voltage Uz [V], nom.: 25V. Leakage current on closing Ir [A] @ Ur [V]: 0.5uA @ 19V. Zener Impedance Zzt[Ohm] @ Iz[A]: 4 Ohms @ 50mA. Maximum dissipation Ptot [W]: 5W. Operating temperature range min (°C): -50°C. Operating temperature range max (°C): +150°C. Component family: Zener diode, power 5W (75°C), 5%, 1N53 series