Lincoln Service Parts 1 › Lincoln Electric 9SM9661-42 SILICON POWER RECTIFIER DIODE M9661-42 Lincoln Electric 9SM9661-42 SILICON POWER RECTIFIER DIODE M9661-42 Sale Price: $220.31 Original Price: $253.36 SILICON POWER RECTIFIER DIODE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SILICON POWER RECTIFIER DIODE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1