2 x JRC-4558D NJM4558D 4558 DUAL High Gain OP-AMP Internally Compensated IC
JRC-4558D 4558 DUAL OP-AMP IC. Internally frequency compensated. Gain and phase match between amplifiers. The JRC4558 is a high performance monolithic dual operational amplifier. Mon - Fri 9 - 3pm. Low noise input transistors.