International Rectifier 71RA120 Stud-Mount SCR Thyristor - Used Take-Off

Application: Stud-mount SCR / thyristor as used in marine and industrial rectifier stacks, DC battery chargers, genset rectifier assemblies, and DC drives. Marked International Rectifier (IOR) 71RA120 X11. Condition: Used take-off, untested, sold as-is. Ceramic body and markings intact; stud threads show light surface rust; pigtail leads present with spade/ring terminals. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.