What is the maximum value of the load current to ensure that this circuit work well as voltage regulator over the input voltage range between 20 to 30 V ? : r/AskElectronics
PR electronics | Difference between a Zener barrier and an intrinsically safe isolator Temperature accuracy
Panasonic 5.1v Zener Diode - MA4051M – 1200s.com
Addicore 1N4733A 5.1V Silicon Planar Power Zener Diode 1.3W