The 1N5231 from Vishay is a Space-Qualified Zener Diode with a zener voltage range of 2.4-75 V and a reverse leakage current of 5 μA. This diode has a maximum dynamic resistance of 17 Ohms and a forward voltage of 1.1 V. It has a power dissipation of up to 500 mW and a junction temperature of 175 degrees C. This silicon planar zener diode has a standard zener voltage tolerance of +/- 5 % and a thermal resistance of 300 K/W (junction to ambient air). It is RoHS-compliant and ideal for voltage stabilization applications.