Product Overview
Texas Instruments UA741CP: the classic general-purpose op amp in an 8-pin plastic DIP
Condition
New, unused stock. The photographed sample is a molded black 8-pin plastic DIP carrying the Texas Instruments logo and a lot code line that is only partly legible in the photographs, with UA741CP printed on the second line. The pin-1 dimple is crisp, the eight leads are straight and bright with no solder, flux or board residue on them, and the underside carries a small round white label reading M MEXICO 3. Sold each. The piece shown is representative of the stock on hand, so lot codes and label details can vary from chip to chip.
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Product Overview
The UA741CP is a single general-purpose operational amplifier in an 8-pin plastic dual-in-line package, the through-hole part that has anchored bench work, teaching labs and analog service work for decades. Texas Instruments lists it with short-circuit protection, offset-voltage null capability, large common-mode and differential voltage ranges, no latch-up, and no external frequency compensation required, so it drops into a socket or a board with nothing hanging off it but the signal and the rails. The pieces here are new and unused, marked UA741CP under the TI logo, with the assembly-site dot on the underside reading M MEXICO 3. Supply voltage limits, temperature range and electrical parameters are not restated here - check the current Texas Instruments UA741 datasheet against your design before use.
Key Features
- Device: UA741CP single general-purpose operational amplifier
- Package: 8-pin plastic DIP, through-hole leads
- Short-circuit protection
- Offset-voltage null capability
- Large common-mode and differential voltage ranges
- No external frequency compensation required
- No latch-up
- Marking: Texas Instruments logo, partly legible lot code line, UA741CP
- Underside label: M MEXICO 3
- Condition: New, unused, leads unsoldered and bright
- Sold each
Applications
- Technician repairing a 1970s or 1980s analog board that lost its original 741 and needs the same 8-pin DIP footprint back in the socket.
- Electronics instructor stocking a teaching bench where every student build starts with a general-purpose op amp and a breadboard.
- Hobbyist prototyping a summing amplifier, buffer or simple filter and wanting a part that needs no external compensation network.
- Service shop keeping a small drawer of standard analog spares for one-off repairs rather than ordering a tube for a single fix.
Frequently Asked Questions
What do the CP letters after UA741 mean?
In the Texas Instruments naming scheme the P suffix is the 8-pin plastic DIP package and the C indicates the commercial-grade device, which is what these are marked. If your application depends on a particular operating temperature range, confirm the grade against the current TI datasheet before you commit the design.
Does this part need an external compensation capacitor?
No. The feature set for this device includes no frequency compensation required, so there is nothing to add outside the package for basic closed-loop use. Your own feedback network still sets the gain and bandwidth you get.
Can I trim the input offset voltage?
Yes. This device is specified with offset-voltage null capability, and the TI datasheet shows the standard trim potentiometer arrangement across the offset null pins. Follow the datasheet connection rather than guessing, since the pot wiper returns to a supply rail.
How can I tell these have never been installed?
Look at the leads in the photographs. They are straight, evenly plated and bright, with no solder wetting, no flux haze and no board residue at the shoulders, and there is no socket scoring on the plating. That is what an unused chip looks like; a desoldered pull almost never does.
Why buy two or three here instead of a bag of a hundred somewhere else?
Because most 741 jobs are a repair, a prototype or a class demonstration, and none of them need a hundred chips. Buy the exact count the bench actually calls for, from stock that is photographed and described rather than poured out of an anonymous bulk bag. Shipping is a flat $8, free once the order passes $28, and orders leave our Idaho warehouse the same or next business day.
The 741 is the op amp most of us learned on, and Texas Instruments kept stamping them out long after the textbooks moved on to something faster. Put one in a breadboard, a class demo or a 1970s board that lost its original, and it will get on with the job the way it always has.
