Electronics > Projects, Designs, and Technical Stuff

Where to find toroidal inductor carriers?

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wraper:

--- Quote from: Mr Evil on December 31, 2019, 11:13:59 pm ---The zip ties in the one pictured are not just to secure it mechanically to the base, but also to separate the windings. If you're going to put zip ties on it for that, then one might as well wrap around the base too. It can be daubed with silicone or potted afterwards if necessary.

--- End quote ---
Put a piece of FR-4 in the middle just like on the pictures. Also zip-tie creates a gap under carrier, thus making construction more flimsy.

Zero999:
The picture attached to the first post looks like a common mode suppression inductor, rather than a transformer.

I don't see the problem with using cable ties. I'd never had a problem with them working loose over time. The ratchet mechanism does a very good job of holding it in place and they're easy to remove, unlike glue or resin.

A separate PCB could be used, with a cable tie round it to hold the toroid in place.

Conrad Hoffman:
These things seem easy to find, though maybe not easy to buy. Here's one result from a simple Google search- https://www.lodestonepacific.com/toroid_notes.php

T3sl4co1l:
Indeed, I've removed cable ties older than myself, still in good flexible condition, if rather more yellow than brand-new ones are.  Nylon is terrific stuff: strong, slippery, resistant to heat and solvent, slow to age or crack.  I'd call it "space age", but it's been with us much longer than that!

As for mounts, I've seen them at the usual suspects.  Could also try turret board, or make your own with some manner of press pins (e.g. from Mill Max).

Heh, more than I even remember, they have boxes and stuff too:
https://www.digikey.com/short/zczfj7

Tim

Mr Evil:

--- Quote from: Conrad Hoffman on January 01, 2020, 01:02:06 am ---These things seem easy to find, though maybe not easy to buy. Here's one result from a simple Google search- https://www.lodestonepacific.com/toroid_notes.php

--- End quote ---
Looks like they do a wide variety, but any time it says "request a quote", I know I'm not going to be able to buy just a couple of them.


--- Quote from: T3sl4co1l on January 01, 2020, 01:07:45 am ---...Heh, more than I even remember, they have boxes and stuff too:
https://www.digikey.com/short/zczfj7

Tim

--- End quote ---
Thanks. I couldn't find any for sale at Farnell, where I usually look. The unenclosed ones are just flat bits of plastic with holes in though, for poking the windings straight through.

I guess I'll make my own at some point.

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