MDT170C16 - obsolete, successor P/N: 01239010 P/N: 01239010, SKT 160/16 E UNF; SKIIP 22 NAB 12 T18/ obsolete no replacement P/N: 07897401, SKKT 72/16 E;Thyristor Modules SKKT 42/16E SKM400GA128DS obsolete/replaced by SKM300GA12T4 or SKM300GA12V 07122100, SKD 30/04 A1;Power Bridge Rectifiers SKM300GA12T4. P/N: 22892123 Type: SKM300GA12V SKM 195GB124DN obsolete/alternative SKM150GB12T4 or SKM150GB12V SKM150GB12V P/N: 07194700 Type: SKVC 20A 251 SKIIP 83 AHB 15 T1 - obsolete, no replacement; SKIIP 83 AC 12 T2 - obsolete, no replacement; SKMD - incomplete model, Common cathode SKND - incomplete model, common anode