Cheap And Discounts 1pcs PS9661 PS9552 PS2505-2 PS2044 DIP8 PS9617 PS7141-2A PS7141C-2A PS8601 DIP-8 Operational Amplifier Wholesale. Buy Directly From Merchant Shop1103248081 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.