The MM5Z2V4T1 is a Zener voltage regulator released by SCS. Its features are small size, low power and can be used in applications such as cellular phones, hand held portables and high density PC boards.
The MMSZ4678T1 series are 500 mW, SOD-123 surface mount Zener voltage regulators. These devices provide a convenient alternative to the leadless 34-package style.