RD12M-T1B-A
Diode Zener 12.01V 5% 200mW 3-Pin SC-59 T/R

From NEC

Knee Impedance35Ohm
MountingSurface Mount
Package TypeSC-59
PackagingTape and Reel
Pin Count3
Rad HardenedNo
Rev Curr0.002 mA
TypeVoltage Regulator
Voltage Tolerance5%
Zener Voltage12.01V

External links