The 1SMA4759A SMA Zener Diode is an RoHS-compliant Zener diode manufactured by TWGMC. It has a package size of 2.0 x 0.76 mm, and operates in a power range of 375 mW. It also has a reverse breakdown voltage of 4.7 V, a stabilization current of 13 mA, and a zero-bias capacitance of 67 pF. The operating temperature range for this diode is -65°C to +175°C. This diode is suitable for many applications, including voltage regulation, voltage clamping, over-voltage protection, temperature compensation, RF amplifiers, and power supplies.