... UTC431, UTC432,UTC494, UTC78xx, UTC78Lxx, UTC79xx, etcOperational Amplifier ICs: UTC062, UTC064, UTC072, UTC074, UTC324,UTC339, UTC358, ... UTC393, UTC4558, UTC4580, etc.Audio Power Amplifier ICs: UTC1316, UTC2003, UTC2025, UTC2030, UTC2068, UTC2822, UTC386 ... UTC7312,UTC7342, UTC7343, UTC7640, UTC7642, UTC7668, etc.Telephone ICs: UTC1062, UTC1240A, UTC2410, UTC2411, UTC34018, UTC34118, UTC34119 ...