The BZX84C2V7 is a Zener diode manufactured by SMC Diode. It is a SOT-23 encapsulated device with a RoHS (Restriction of Hazardous Substances) compliant design. It is designed to regulate the voltage within a circuit, and provide a constant level of protection against spikes or transients that can come from nearby electronic components. The device has a maximum power dissipation rating of 500 mW, a maximum continuous voltage of 2.7V, and a maximum clamping voltage of 4.0V. Its operating temperature range is from - 65°C to + 200°C, and it has a typical forward current of 1.1A.