led lights blown

  1. J

    LED failures?

    I have a couple MTX amps, newish Asian ones, and the power LED have blown among other issues. I put a new one in and get 2.74v, on a typical blue 3mm LED. I used this digikey number 365-1173-ND for the new LED. That voltage is ok right; with a Vf of 3.4v and 4v max? Should I assume the...