Amazon.com: 10Pcs UA741CN DIP-8 UA741 UA741CN UA741CP LM741 ST IC Chip Operational Amplifiers : Industrial & Scientific
100PCS UA741CN UA741 Op-Amp IC TI DIP-8 Operational Amplifier | eBay
Addicore UA741 Operation Amplifier (Op-Amp)
Texas Instruments (UA741CP + SOCKET) Linear - Amplifiers, IC OPAMP GP 1MHZ SGL LP 8DIP 741 UA741, IC OPAMP GP 1MHZ 8DIP, (Pack of 8): Amazon.com: Industrial & Scientific
10 Pcs Ua741cn Ua741cp Ua741 Op Amp Lm741 741 Ti Original Dip-8 - Integrated Circuits - AliExpress