The MMSZ4688T1G is a Zener Diode manufactured by ON Semiconductor for applications requiring a relatively large reverse break-down voltage. It is a 500mW, 4.7V Zener diode in a SOT-23 package. This diode has sharp reverse characteristics, and low power consumption make it suitable for both general purpose and regulated power supply applications. It offers high reliability and low leakage current. The device is designed to the JEDEC standard and has a maximum reverse leakage current rating of 5µA. This device can be used for the protection of sensitive electronic components in the event of an over voltage situation. The MMSZ4688T1G is a reliable and efficient choice for circuit protection.