Cermant 240pcs 24values Inductor 2.2uH-100mH DIP Radial Power Choke Inductors Electrolytic Capacitor Assortment Box Assortment Kit

These are just what I was after. I had a few pieces of similar design pulled from old equipment. I needed a size I did not have and there were several in the box to meet the need. The range of values is very good for this design. They go easily onto PC boards.

Great buy for having a wide selection of inductor values! Would be wise to have an inductor tester, cause they are unlabeled but look the same!The tolerance or resistance wasn't specified, but for the record, measuring the ten 100 mH ones I got a mean of 98.39 mH with standard deviation of 1.17 mH (range of 96.57 mH to 100 mH). They had a mean resistance of 303.16 ohms with standard deviation 4.32 ohms (range 296.2 ohms to 308.5 ohms).Also I measured a 10 mH one and it had resistance around 28.4 ohms, a 1 mH had resistance of 4.4 ohm, a 100 uH had .7 ohms, 10 uH had .43 ohms, 2.2 uH had .14 ohms.

It is an assortment of inductors. They are not marked as far as I can see. That's a problem if you don't have an LCR meter, and I don't. I can roughly test using my scope and a tank circuit and also a TC1 tester. I am not sure that all of the values are as specified. For example, the 470uH and 680uH parts test very similarly for me-- at a value intermediate between 470 and 680. Other values are not all similar, so this is an assortment of various inductors, e.g. the 100mH parts appear to be in the neighborhood of 100mH. But I am not not how many different values there really are.So, you will need to test these parts as best you can before using them seriously.

A fun game for the whole family.

Not a kit that should be purchased if you do not own an LCR meter or one of those little do-it-all component testers. Values are reasonably close so far in ones I have sampled, but I do not expect too much since inductance is frequency dependent. They do come in a nice segmented case!