1N4742A-TR, DO-41, DO-204AL, 12V, 1W. Housing: DO-41. Housing (JEDEC standard): DO-204AL. Zener breakdown voltage Uz [V], nom.: 12V. Maximum dissipation Ptot [W]: 1W. Component family: Zener diode, power 1W (25°C), 5%. Configuration: PCB through-hole mounting. Leakage current on closing Ir [A] @ Ur [V]: 5uA @ 9.1V. Max temperature: +200°C.. Number of terminals: 2. RoHS: yes. Zener Impedance Zzt[Ohm] @ Iz[A]: 9 Ohms @ 25mA. Original product from manufacturer: Vishay. Quantity in stock updated on 11/02/2025, 23:25