Texas Instruments TLC084CDR Quad Operational Amplifier (Set of 2)

NEC High-Performance Quad Operational Amplifier IC uPC3403C (C3403C)

NEC High-Performance Dual Operational Amplifier IC uPC4557C (C4557C)

NEC Dual Operational Amplifier (2-Ch) UPC1251G2-E1 (Set of 5)

NEC Quad Operational Amplifier UPC452C (Set of 2)

NEC Single Operational Amplifier uPC822G2-T1 (Set of 5)

NEC Operational Amplifier IC uPC141A (Set of 2)

NEC Operational Amplifier uPC814G2 (Set of 5)