Part Number: 1544HT (No description) Part Number: 1544-ID (Ne) Part Number: 1544IG (Ne) Part Number: 1544J (Ne) Part Number: 1544J883B (Integrated power semi) Part Number: 1544J883BC (Uni) Part Number: 1544J883BS (Ne) Part Number: 1544J883C (Ne) Part Number: 1544J883C8 (Ne) Part Number: 1544L (Motorola) Part Number: 1544LK (No description) Part Number: 1544M (No description) Part Number: 1544M15G01 (Bracket) Part Number: 1544M20P04 (Tube)