2pcs JRC NJM4565SB SIP9 DUAL OPERATIONAL AMPLIFIER RH

OP27 PMI Low Noise Precision Operational Amplifier in TO-99 Metal Can

(1PC) XR4558CP EXAR Operational Amplifier 2 Func 7500uV Offset-Max BIPolar PDIP8

LM2902N, Quad, Low Power Operational Amplifier, Vs=3-20v, Iout=40mA/C

2pcs JRC NJM2121M SOP8 IC OPAMP DUAL W/SW 2IN/1OUT 8DIP RH

LM324AND, Quad Low Power Operational Amplifier, Vcc= 3v to 32V

CA3177E, Operational Amplifier, Vs=15 V, Iop=15mA, Pout=625mW

uA741CN/LM741/MC741 Operational Amplifier. VI=10v, Vmax 45V,