5 x TL072CD - Low noise JFET dual operational amplifiers - TL072C - TEXAS

LM747CN general purpose dual operational amplifier

lot of 11 Signetics LM747CN / LM 747 CN Dual operational amplifiers / NOS

LM358 ( x 2 pieces ) Dual Operational Amplifiers AOP DIP8

UA311TC UA311 OpAmp Operational Amplifier IC LM311

CA324-E Dip14 RCA ORIGINAL Quad High Gain Operational Amplifier ca324e 324e

TL074CD - Low-Noise FET-Input Operational Amplifiers - TL074C - TEXAS

2x LM324N Texas Instruments Quad Operational Amplifier DIP-14