The BZX79-C18,113 DIODE ZENER 5% manufactured by Nexperia is a small signal switching diode that is used for voltage regulation in low-voltage electronics. It can be used as a basic diode protector for preventing voltage surges, as a voltage stabilizer for low-voltage applications, and as a voltage limiter in regulated power supplies. Its maximum forward voltage drop is 1.0 V, and its rated power dissipation is 500 mW. It has a maximum reverse voltage of 18V and its temperature coefficient is 7 mV/°C. It has a breakdown voltage of 17.3V @ 25° C (77°F). The package size is 3.2mm x 3.1mm x 1.9mm and it is RoHS compliant.