I have a diode that I am trying to identify. Its markings are:ST e3ZTTH (the 'Z' is backward)112230Anybody know what it is and what can be used to replace it?
Could be. I found a schematic for similar UPS (slightly different model) and they had a 1N4003 in the same location on the circuit so I used a 1N4007, which I have plenty to hand, and the unit is now working. The MOSFETs were also shot as was the f...
