I recently found a great deal on some SMD push button switches, 400 for 5 bucks so I grabbed them. Now they are supposed to be rated 12VDC 50mA. Since they only cost a penny a piece I figured I could experiment and see what they can handle. So I hooked one up to an ugly ecig test mod, 3.7VDC 2Amp. I have been using it all week and it's still working great. Can someone tell me why it hasn't given out yet?