RC4558P general purpose dual Op-Amp by Texas Instruments. Package: 8 pin DIP (equivalent to two 741's in the same package without the availability of any offset null ) Download Texas Instruments RC4558P datasheet: &nb..
733W21 by Texas Instruments. Package: 8-pin DIPYes, another of those undocumented Xerox specials. Status: NOS (New Old Stock) Individually tested components : YES ... so we know what they are ! RoHS compliant: no &nbs..
LM741CH Op-Amp by National Semiconductor. Package: 8 pin (TO-5-8) TO-99 tin can Download National Semiconductor LM741CH datasheet: Favoured package for those building scientific instruments or into analogue musical instruments.