Manufacturer: ON Semiconductor  •  Voltage - Zener (Nom) (Vz): 12V  •  Voltage - Forward (Vf) (Max) @ If: 900mV @ 10mA  •  Current - Reverse Leakage @ Vr: 100nA @ 8V  •  Tolerance: ±5%  •  Power - Max: 500mW  •  Impedance (Max) (Zzt): 25 Ohm  •  Mounting Type: Surface Mount  •  Package / Case: SOD-123  •  Operating Temperature: -55°C ~ 150°C  •  Other PartNo: MMSZ12ET1OS