first connecting means connecting the collector of the power semi conductor internally within {HEAD ~ the housing} to {TAIL ~ the metal base plate}  
to
first connecting means connecting the collector of the power semi conductor internally within { HEAD ~ the housing } to { TAIL ~ the metal base plate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH