Cheap And Discounts 5PCS/lot New OriginaI REF5050AIDR REF5050IDR REF5050AID 5050K SOIC-8 5.0V Precision series voltage reference chip Wholesale. Buy Directly From Merchant Shenzhen Yueqi Elec. Company Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.