KDZ5.1V-RTK/P is an ultra-small, low-power, surface-mount, Zener diode manufactured by KEC. It utilizes an SOD-323, RoHS package and is capable of carrying a reverse voltage of 5.1 volts. The diode is constructed using epitaxial planar technology and a built-in Zener diode. It has superior characteristics such as low noise, low temperature coefficient, and low impedance at high frequencies. Other features include a low power dissipation of 1 mW and a maximum operating temperature of up to 175 0C. The diode is ideal for surge withstanding and noise absorption applications. It is widely utilized in many electronic products, including computer peripherals, communication systems, and consumer electronics.