The MMBZ5243BLT1G with Zener Diodes is a 13V, 225mW, unidirectional, Zener diode manufactured by ON Semiconductor. It is used to provide voltage regulation and protection applications. It has a operating temperature range of -65°C to +175°C. It's designed to be used in portable and handheld electronic equipment, especially in areas where low power consumption and small size is essential. This diode can be soldered using vapor phase, infrared or wave soldering. It is also RoHS compatible and halogen free.