This is a somewhat unusual, although hopefully not too irresponsible, question (I also hope it falls within the remit of this site, I can't think of anywhere else online where I'd get a trustworthy answer). I'm making a short film in which a simple LM386N-4 power amp chip explodes and catches fire. It will appear to be in the audio amp circuit like the one shown here, but need not in reality be connected to anything (the magic of film...)
By accident, I've found that when the chip is in the circuit above and is supplied with 13.2v, and 13.2v is then applied to pin 5 (output) it dies immediately and a small plume of smoke appears.
My question is this: taking the obvious safety considerations as a given (I'll be wearing safety goggles, will be standing a good distance from the chip, next to the mains switch, and I have a CO2 fire extinguisher for if things get serious), what voltage should I apply, and to which pins, to get some smoke, a few flames and maybe an initial flash?
I'm guessing that putting a full 240v between pin 5 and ground (switched using a relay for safety) might be overdoing it. The datasheet for the LM386N is here and I'm using the -4 type, which takes a maximum voltage of 18v.