LTC1278-5CS LTC1278-5CSW LTC1278-5CSW#PBF LTC1278-5CSW#TR LTC1278-5CSW#TRPBF LTC1278-5CSW#TRPBF. LTC1278-5CSWPBF LTC1278-5CSWTRPBF LTC1278-5ISW LTC1278-5ISW#PBF