Ignition coil pick

what causes this to mess up? My just disintegrated!!! WTF!!!!! It messed up on me rolling down the road just 1 mile down the road...

Mine did the same thing but it had 270k on it.

never even heard of that and I have had about 50 yota. I have had them stop working but never explode.... thats messed up..

damn thats crazy! i have about 320 thousand on mine and its fine...

yeah its weird mine only has 106 thousand....