{HEAD ~ fourth connecting means} connecting {TAIL ~ the emitter} of the power semi conductor to one of the terminal posts  
connecting
{ HEAD ~ fourth connecting means } connecting { TAIL ~ the emitter } of the power semi conductor to one of the terminal posts
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH