I want to buy an assortment of analog and digital ICs to study and learn for general purposes, just a few of each type to get familiar
with whats available and which one to use in certain applications. I have the breadboards, jumpers, 3 to 5 volt power supply, multimeters (3)
etc. I just want to get familiar. I know there are the 555s, some op amp types etc. but would like some list with a breakdown of the most
commonly used types.
Also, where to buy them. It seems Amazon has a bad reputation for components, but I don't want to spend a lot of money just for this learning
project.

Here are a few selections Amazon is selling:

https://www.amazon.com/CHIPNEW-Kit-Electronics-Pro-Assortment/dp/B0B6Q9KPCD/ref=sr_1_84?crid=2UPVWNEJ1UFY6&dib=eyJ2IjoiMSJ9.joeiPWTu2325qlLOVk4vEYHLEwLSFYLvwDEIhZO30gvGjHj071QN20LucGBJIEps.olUh_9cEKZzk_xGcXkg474Hw4PaRGD89CwP6ATzygVk&dib_tag=se&keywords=electronics+components&qid=1746583609&sprefix=electronics+components,aps,190&sr=8-84&xpid=nj8xQpFfosLnq

https://www.amazon.com/EEEEE-Assort...a7-9a3b-802e2c9ac014&pd_rd_i=B0969KNBV5&psc=1

 

You never really know what You may get from Amazon.
Some are legit, and some are fakes or rejects.
I like to deal with DigiKey-Electronics, exclusively if possible.

I don't do very much Digital stuff, and no Micro-Controllers.
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Here's a list of Chips that I've found useful ............
Apparently, the Forum-Software only allows 10-PDFs
so I'll try making a second Post and see if that works.

 

Here are some more from the Op-Amp list,
followed by Voltage-Regulators, ( Linear and Switching ).
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You may want to re-name some of these PDFs so that they make more sense to You.
I have PDFs for some specialized Chips too, but this is getting out of hand,
so you'll just have to learn how to use DigiKey's Search-Function or ask for the functions You may need.
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No LM741?

 

No LM741?

He's not studying ancient history!

 

You may want to re-name some of these PDFs so that they make more sense to You.
I have PDFs for some specialized Chips too, but this is getting out of hand,
so you'll just have to learn how to use DigiKey's Search-Function or ask for the functions You may need.
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I appreciate your help.

Thank You very much

"You never really know what You may get from Amazon.
Some are legit, and some are fakes or rejects."

So you are saying, ICs from Amazon may be bogus, and not the chips they are labeled as?
Therefore the info and data you get from them may be misleading if you are attempting to
learn about those chips?

 

So you are saying, ICs from Amazon may be bogus, and not the chips they are labeled as?

I have never experienced that.

As for opamps, you do not need the variety listed by @LowQCab. I would get two kinds:

A traditional type designed for dual supplies. I like TL072 or 82 for that.

A rail-to rail single supply amp, for example, MCP6002.

These are both general purpose opamps that will suffice for most things you want to do in learning.

 

I have never experienced that.

I have, more than once.

In your case, it would probably be best to find a project that interests you and then build it. During that process you may find some parts that you will use in the future. Do that for a while and you will have a good sense of what kinds of parts you will want in the future.

 

No LM741?

That is a felony offense!

 

Other low-cost rail-rail type op amps to consider are the 16V TLV915x and the 32V OPAx197

 

I want to buy an assortment of analog and digital ICs to study and learn for general purposes, just a few of each type to get familiar

I've never been a fan of buying assortments of components. Instead, I always order extra whenever I buy and build up stock of components I've actually used.

Regarding logic families, you mention 3V and 5V supplies. You need to decide what you want to do. TTL (5V) is obsolete. 74* series CMOS have restricted supply ranges, while CD4* generally operate from 3-15V, but are relatively slow. Mixing/matching logic families is best left for people who know what they're doing.

Also, where to buy them. It seems Amazon has a bad reputation for components, but I don't want to spend a lot of money just for this learning
project.

Buying from any non-authorized reseller (Amazon, eBay, AliExpress, etc) is a risk for someone learning because you have no way of knowing that you're getting authentic components. It wasn't always that way, but it is now.

You should accept paying more and stick with reputable places like Jameco, Mouser, Newark, etc. I don't buy from DigiKey. They have a good selection, but their prices seem to be on the high side.

I've bought a small number of components from AliExpress, but I always expect to test them. Even if you get acceptable components from a seller, there's no guarantee that that will continue to be the case. Before I realized there was so much outright fraud at AliExpress, I bought some Li-ion batteries that turned out to be okay (and more that weren't). I bought some that were close to specifications and bought them again (same manufacturer from same seller, but slightly higher capacity), and they weren't as good.

 

Read this book whenever you’re considering purchasing from a Chinese vendor.

 

I've never been a fan of buying assortments of components. Instead, I always order extra whenever I buy and build up stock of components I've actually used.

Regarding logic families, you mention 3V and 5V supplies. You need to decide what you want to do. TTL (5V) is obsolete. 74* series CMOS have restricted supply ranges, while CD4* generally operate from 3-15V, but are relatively slow. Mixing/matching logic families is best left for people who know what they're doing.
Buying from any non-authorized reseller (Amazon, eBay, AliExpress, etc) is a risk for someone learning because you have no way of knowing that you're getting authentic components. It wasn't always that way, but it is now.

You should accept paying more and stick with reputable places like Jameco, Mouser, Newark, etc. I don't buy from DigiKey. They have a good selection, but their prices seem to be on the high side.

I've bought a small number of components from AliExpress, but I always expect to test them. Even if you get acceptable components from a seller, there's no guarantee that that will continue to be the case. Before I realized there was so much outright fraud at AliExpress, I bought some Li-ion batteries that turned out to be okay (and more that weren't). I bought some that were close to specifications and bought them again (same manufacturer from same seller, but slightly higher capacity), and they weren't as good.

My handle "Rustywire" isn't just an arbitrary choice. I am an old school electronics (Wire) school dropout from college including basic electrcity-electronics school in the Navy and college, even tubes / valves, and I am trying to catch up to some degree (Rusty) with the components currently in use after being out of touch for a few decades. I don't expect to achieve miraculous skill after all this time, but am trying to get some understanding of contemporary electronics since the 90s..
Last college course I took was a general overview of microprocessors in the 90s. I've taken Boolean Algebra (in an electronics environment) so I'm not totally inept at understanding logic devices.
I'm not sure how this will play out, maybe just for hobby sake, or maybe I'll gain me some sense of value regarding electronics repair for some kind of gear, and perhaps a part time job at an electronics business.. I noticed vintage audio restoration is hot now, maybe other vintage gear also. I try not to get negative about "board swapping" repair which seems to have become the norm as is scrapping defective electronics devices totally and buying new ones.

Too bad about Amazon and I was concerned that I might get defective ICs which would give me misleading information regarding their operation for learning how they function. That would be bad to have the wrong ideas about how a device operates because of bad readings or bogus I.D.
As far as "Cost" of ICs if I eliminate Amazon and Ebay, what prices am I looking at for ICs for 2 or 3 of each with reputable dealers you mentioned?

Thanks

 

Read this book whenever you’re considering purchasing from a Chinese vendor.

Not surprising. I noticed everytime I buy tarps or fabric for outside yard use, (made in China) they fall apart after one year.
Not to worry but Boeing has aircraft factories in China.

 

one can learn from any experience, specially if you get lemon...

 

The cost of ICs is usually related to what sort of special-specifications You want for your Project.
Anywhere from ~$0.69-cents to maybe ~$3.oo for common, high-volume ICs,
and even up to ~$15.oo for highly-specialized, and/or, very-High-Performance ICs,
which You will probably never actually "need".
But, the expensive parts "can", "sometimes",
eliminate many compromises in your Circuit design, and trouble-shooting-headaches.

One of the biggest challenges for hobbyists is the fact that
almost everything is going over to ultra-tiny SMD-Packages,
and many of the Through-Hole Packages are quickly disappearing from stock,
and some of the newer-IC-designs may not be available at all in a Through-Hole-Package.
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.
.

 

The cost of ICs is usually related to what sort of special-specifications You want for your Project.
Anywhere from ~$0.69-cents to maybe ~$3.oo for common, high-volume ICs,
and even up to ~$15.oo for highly-specialized, and/or, very-High-Performance ICs,
which You will probably never actually "need".
But, the expensive parts "can", "sometimes",
eliminate many compromises in your Circuit design, and trouble-shooting-headaches.

One of the biggest challenges for hobbyists is the fact that
almost everything is going over to ultra-tiny SMD-Packages,
and many of the Through-Hole Packages are quickly disappearing from stock,
and some of the newer-IC-designs may not be available at all in a Through-Hole-Package.
.
.
.

Oh No ! Not SMD?
I hate those things. You can barely see them, they are tedious and difficult to solder and if you have a sneeze they will blow away.

What timeline do you see for the elimination of the larger IC packages? I have to have something to work with that has some
tactile reality. Do you see IC manufacturers simply elminating larger IC packages for SMDs and refusing to go back? .......maybe I'm too old..

Of course a person could simply reject the useage of SMD. Just like with music and streaming. People got tired of the
monotonous and nebulous lack of physical medium of streaming and started looking for CDs again, then even more started
demanding Vinyl again.. Was it nostalgia or the need for something to actually handle with your hands? But that's consumer driven.
SMDs and electronics may be different since the driving force is minaturiazation and electronics business does not care about
the tactile experience (for techs or assemblers), cellphones being the best everyday example although consumers welcome cellphones.
People like Techs or hobbyists are a different story but I can't imagine how Techs or hobbyists enjoy working with practically microscopic
devices. Just thinking out loud.

 

If You are positively sure that your Circuit is going to be 100% satisfactory in its performance,
You can have any one of the numerous PCB-Services install all of the Components for You.
They are reasonably-priced-enough to possibly make this scheme worthwhile,
and, You can even purchase completely-loaded back-up-PCBs "just-in-case".
.
.
.

 

If You are positively sure that your Circuit is going to be 100% satisfactory in its performance,
You can have any one of the numerous PCB-Services install all of the Components for You.
They are reasonably-priced-enough to possibly make this scheme worthwhile,
and, You can even purchase completely-loaded back-up-PCBs "just-in-case".
.
.
.

You are talking about building your circuit on paper (or computer) and handing over the construction and assembly
to a PCB service. For a business oriented operation where Time is Money that makes sense.
For a hobbyist doing it for enjoyment, that restricts the enjoyment to what is inside your head with no physical interaction.