The MMSZ12T1G is a single diode voltage regulator produced by ON Semiconductor. It is an ultra-low VF surface mount Schottky diode with a breakdown voltage of 12V, maximum forward current of 200mA, and a thermal resistance junction to ambient of 40K/W. The MMSZ12T1G is ideal for high speed switching situations, such as load switching and clamping applications. The device is RoHS compliant and halogen free.