The switch may provides {HEAD ~ overvoltage protection} as a function of {TAIL ~ an orientation} of the external magnetic field 
The switch may provides { HEAD ~ overvoltage protection } as a function of { TAIL ~ an orientation } of the external magnetic field
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH