MLL5242B-1
DO-213AA 12V 0.5W1/2W
The 1N5221BUR-1 thru 1N5281BUR-1 series of 0.5 watt Zener voltage regulators provides a surface mount equivalent to the popular JEDEC registered 1N5221 to 1N5281 series for 2.4 to 200 volts in a metallurgically bonded configuration. They are available with standard 5% or 10% tolerances as well as tighter tolerances identified by different suffix letters on the part number. Up-screening in reference to MIL-PRF-19500 is available and a RoHS compliant version is available with the "e3" suffix.
Verical:
Diode Zener Single 12V 5% 500mW 2-Pin DO-213AA