Juried Engineering Microchip MCP601-I/P MCP601 Single Supply CMOS Operational Amplifier DIP-8 & DIP Sockets with Machined Round Contact Pins Holes 2.54mm Breadboard-Friendly (Pack of 1): Amazon.com: Industrial & Scientific
Amazon.com: Texas Instruments LM741CN/NOPB Single General Purpose OP Amplifier, ±18V, 8-Pin MDIP Rail, 3.3 mm H x 9.27 mm L x 6.35 mm W (Pack of 10) : Industrial & Scientific
Juried Engineering LM224N LM224 Quad Industrial-Grade Operational Amplifier Op Amp Breadboard-Friendly IC DIP-14 (Pack of 5): Amazon.com: Industrial & Scientific
Amazon.com: 20PCS IC LM324N LM324 DIP14 TI Low Power Quad Op-Amp New Date Code:11+ : Industrial & Scientific
Operational Amplifiers - Op Amps Single Supply - Pack of 50 (NJM2125F-TE1): Amazon.com: Industrial & Scientific
Amazon.com: NTE Electronics NTE987SM Integrated Circuit Quad Low Power Operational Amplifiers, SOIC-14 Surface Mount Package, 32V Single Supply Voltage : Musical Instruments
ON SEMICONDUCTOR MC34072DR2G MC Series 13 V/us 44 V SMT Single Supply Operational Amplifier - SOIC-8 - 25 item(s): Amazon.com: Industrial & Scientific
Amazon.com: Omabeta OP AMP Module, Single Power Supply DC 9-24V Headphone Amplifier Board PCB 2 Channel for DIY : Electronics
ON SEMICONDUCTOR MC34072DR2G MC Series 13 V/us 44 V SMT Single Supply Operational Amplifier - SOIC-8 - 25 item(s): Amazon.com: Industrial & Scientific
Amazon.com: Juried Engineering TLC27L4IP TLC27L4 LinCMOS Quad Precision Single Supply Upower Operational Amplifier Op Amp Breadboard-Friendly IC DIP-14 (1 Piece) : Industrial & Scientific
Amazon.com: 1 pc AD8138 Low Power Consumption Differential to Single Ended Amplifier Circuit Single to op amp Differential Amplifier : Electronics
50PCS MCP602-I P DIP8 MCP602 DIP 27V to 55V Single Supply CMOS Op Amps MCP602 DIP8: Amazon.com: Industrial & Scientific