Cheap And Discounts (5 Pieces) STW30NM60D W30NM60D TO-247 / W21NM50N STW21NM50N 500V 18A / W13NK100Z STW13NK100Z / W9NA80 STW9NA80 800V 9.1A TO-247 Wholesale. Buy Directly From Merchant JINJIEDA IC Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.