The BZT52C4V7 is a zener diode manufactured by Formosa in a SOD-123 RoHS package. It is a dual-series, axial-lead, axial-mount, zener diode configuration with a rated voltage of 4.7V and a breakdown voltage of 4.7V. The maximum operating temperature is 175°C and the max power dissipation is 350mW. It is designed for general purpose applications and is RoHS compliant. It is suitable for use in circuits such as voltage regulation, bias conditions, and clamping applications. The package size is small, and is ideal for small spaces on circuit boards.