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Re: Anyone have a datasheet for an old UA739PC opamp?

It crosses over to an NTE725. You could probably use their data.

http://nte01.nteinc.com/nte/NTExRefSemiProd.nsf/$$Search?OpenForm

For actual replacement it crosses to:
LM1303
SN76131
TBA231
MC1303P

If you can find them



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