Delete comment from: Ken Shirriff's blog
Quote [The Y capacitor labeled "MC B221K X1 400V Y1 250V" is a 220nF Y capacitor.] Sorry, Ken, but "K" after 220 means capacitance tolerance (J=+/-5%, K=+/-10%, M=+/-20%). The capacitance value is 22 times 10^1 = 220pF instead of 220nF.
Jul 29, 2013, 12:20:19 AM
Posted to Apple iPhone charger teardown: quality in a tiny expensive package