{TAIL ~ A transistor} protects {HEAD ~ the integrated circuit} against a surge voltage from a battery terminal 
{ TAIL ~ A transistor } protects { HEAD ~ the integrated circuit } against a surge voltage from a battery terminal
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH