LTC1261LCS8-4 LTC1261LCS8-4#PBF LTC1261LCS8-4#TR LTC1261LCS8-4#TRPBF LTC1261LCS8-4.5 LTC1261LCS8-4.5#PBF LTC1261LCS8-4.5#TR LTC1261LCS8-4.5#TRPBF LTC1261LIMS8#PBF LTC1261LIMS8#TRPBF