The BZT52C2V4 with Zener Diodes SOD-123 RoHS manufactured by Formosa is a single Zener diode in a small SOD-123 plastic package, designed for general purpose power and switching requirements. It has a protective coating for operation up to 165°C. The device is capable of operating at a maximum power rating of 200mW at an ambient temperature of 75°C and a junction temperature of 150°C. It is compliant with the European Union's RoHS Directive (Restriction of the use of certain hazardous Substances in Electrical and Electronic Equipment). It has a zener breakdown voltage of 2.4 V and an operating voltage range from 2 to 75 volts.