Taiwan Semi, 4.7V Zener Diode 5% 500 mW SMT 2-Pin SOD-123F. Diode Configuration: Single. Mounting Type: Surface Mount. Zener Type: General Purpose. Zener Voltage Tolerance: 0.05. Test Current: 5mA. Maximum Zener Impedance: 80Ω. Maximum Reverse Leakage Current: 2.7µA. Length: 2.7mm. Dimensions: 2.7 x 1.7 x 1.15mm. Minimum Operating Temperature: -65 °C. MPN: BZT52C4V7 RH, Taiwan Semiconductor