The MMBZ5251BLT1G is a dual channel surface mount Zener diode aimed for applications in the low power dissipation sector. It is rated for 500mW of continuous power in the DO-214AA package, and comes with a 5.1V zener voltage. The part can operate in temperatures ranging from -65 to +150 degrees Celsius with a maximum operating range of up to 175 degrees Celsius. It has a zener reverse current of 10 microamperes, with a maximum operating current of 200mA. The diode has a maximum forward voltage of just 1.1v at a temperature rate of 195 degrees Celsius.