Found 10 alternatives for NTE5553 by NTE Electronics, Inc. Thyristors Scrs — TO-200AB, A-PUK.
SCR 1.2KV 400A PRESS-PAK
SCR 600V 820A TO200AB
SCR 1.6KV 820A TO200AB
SCR 200V 780A TO200AB
SCR-1200V 400A HI SPD
SCR 600V 780A TO200AB
SCR 1.2KV 780A TO200AB
SCR 600V 780A TO200AB
SCR-600V 400A HI SPD
SCR 1.2KV 780A A-PUK