The BZX55C2V4 is a general-purpose Zener Diode manufactured by Semtech, using the DO-35 package (a type of diode package) with the RoHS standard (Restriction of Hazardous Substances). It is available in the reverse voltage range from 2.4 to 75 volts. The electrical characteristics of this diode include a maximum reverse current (I Z ), a nominal Zener Voltage range, and a Tolerance range. It is designed for general use, providing current regulation in the circuit, suppressor protection, and voltage reference. It is suitable for use in temperature ranges from -65°C to +200°C.