Cheap And Discounts 1pcs SO28 SOP28 SSOP28 TSSOP28 SSOP4-28P SOIC28 to DIP28 Adapter Converter PCB Board Wholesale. Buy Directly From Merchant Shop1100289046 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.