Amazon.com: Rustark 169 Pcs 21 Types Integrated Circuit Chip Assortment Kit,Opamp, Oscillator, Logic Gate DIP IC Chip and Sockets Assorted Set with Store case for Electronic Equipment : Industrial & Scientific
Amazon.com: Todiys New 20Pairs for 20Pcs TL072 TL072CP DIP-8 Low Noise JFET Dual Op-Amp IC + 20Pcs 8-Pin IC Sockets TL072CPE4 : Industrial & Scientific