Nexperia, 3.3V Zener Diode 2% 300 mW SMT 2-Pin SOD-323. Diode Configuration: Single. Number of Elements per Chip: 1. Mounting Type: Surface Mount. Zener Type: Voltage Regulator. Zener Voltage Tolerance: 0.02. Test Current: 5mA. Maximum Zener Impedance: 95Ω. Maximum Reverse Leakage Current: 5µA. Length: 1.8mm. Dimensions: 1.8 x 1.35 x 1.05mm. Width: 1.35mm. MPN: BZX384-B3V3