121 2N (SILICON) PNP silicon annular transistor .
2N7219 - POWER MOSFET
2N7218 - POWER MOSFET
2N7219 - NCHANNEL POWER MOSFET
JANTX2N7219 - POWER MOSFET
JANTXV2N7219 - POWER MOSFET THRU-HOLE (TO-254AA)
2N721 - PNP silicon annular transistor