The BZT52C20 is a Zener diode with SOD-123 RoHS package, which is manufactured by High Diode. It has a maximum reverse voltage of 20V and a maximum power dissipation of 500mW. Its maximum current is 100mA and its maximum impedance is 39 Ohms. The diode has a high stability and is also vibration-proof. It is designed to be used in a variety of applications, including circuit protection, voltage regulation, voltage clamping, and more. The device has a low working temperature of -55°C-105°C. It has a standard EIAJ mount for easy installation and a low height profile for space savings.