{{tag>collection_bercovici vendor_jrc type_unknown year_unknown foundry_unknown}} Source: https://web.archive.org/web/20210228161135/https://twitter.com/Siliconinsid/status/1366056870595747840 Text: Japan Radio Corp JRC4558 Dual high performance monolithic operational amplifier #Opamp #JRC ====== Package ====== ====== Die ====== {{:bercovici:jrc:jrc4558:die.jpg?300|}}