{HEAD ~ the gate} turn off {TAIL ~ thyristor} having low inductance connections to the snubber circuit 
turn off
{ HEAD ~ the gate } turn off { TAIL ~ thyristor } having low inductance connections to the snubber circuit
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH