An electrical connection is provided to opposite ends of {TAIL ~ the cathode} through two or more low resistance resistors with high temperature coefficients of {HEAD ~ resistance} 
An electrical connection is provided to opposite ends of { TAIL ~ the cathode } through two or more low resistance resistors with high temperature coefficients of { HEAD ~ resistance }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD