[TriEmbed] Parts to Stock

Terry King terry at yourduino.com
Wed Jan 21 12:42:42 CST 2015


Hi, You said:
> I'm building up my supply of components and am getting ready to get some
> more items. I already have a good supply resistors, transistors, MOSFETS,
> and diodes. Today I'm going to order some LM3171Ts and want to add some
> electrolytic caps. My question is

Did you mean LM317 not LM3171 ??

My longterm online offer: If anyone will do something with young people
and electronics I'll send you 10   LM317T (I have many)... Just email me.

Regards, Terry King
...In the Woods in Vermont USA
terry at yourduino.com

-The One who Dies with the most Parts LOSES. What do you need??

PS: Any suggestions of additions to the assortments here appreciated!
http://yourduino.com/sunshop2/index.php?l=product_list&c=36

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> Today's Topics:
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>
> 1. Digikey Order Question (Grawburg)
> 2. Re: Digikey Order Question (jonjwolfe at anibit.com)
>
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 21 Jan 2015 10:44:37 -0500
> From: Grawburg <grawburg at myglnc.com>
> To: Triangle Embedded Devices <TriEmbed at triembed.org>
> Subject: [TriEmbed] Digikey Order Question
> Message-ID: <9d6068ed97760c38633eade11815e965 at myglnc.com>
> Content-Type: text/plain; charset=UTF-8
>
>
> I'm building up my supply of components and am getting ready to get some
> more items. I already have a good supply resistors, transistors, MOSFETS,
> and diodes. Today I'm going to order some LM3171Ts and want to add some
> electrolytic caps. My question is:
>
> What size caps should I make sure to have on hand (I do have some 0.1 mF
> ceramic)? What other small components should be in my arsenal?
>
>
>
> Thanks,
> Brian
>
>
>
>
>
>
>
>
> ------------------------------
>
>
> Message: 2
> Date: Wed, 21 Jan 2015 12:11:19 -0500
> From: jonjwolfe at anibit.com
> To: Grawburg <grawburg at myglnc.com>
> Cc: Triangle Embedded Devices <TriEmbed at triembed.org>
> Subject: Re: [TriEmbed] Digikey Order Question
> Message-ID: <8db4a470b44599719ce8668f5f475349 at anibit.com>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
>
> Caps are funky. They literally range over 17 orders of magnitude in real
> world applications, though the high capacity ones are rare for what we
> usually do, and are extremely dangerous. Check out:
> https://www.youtube.com/watch?v=EoWMF3VkI6U  which also has a bunch of
> nice explanations on how caps work and formulas for charge timing and
> energy storage, in addition to videos of vaporizing pcbs, coins, and nails
> with 10 volts. A "super cap" charged to 9V is much more dangerous than a
> standard 9V battery because the "equivalent series resistance" (ESR) of
> batteries is much much higher than in most capacitors, which has the
> effect of throttling the current.
>
> If you just want to build up a generic supply for most general use
> cases, Jameco has some nice kits: http://www.jameco.com/1/3/capacitor-kits
>
>
> (you could also take the list of caps in the kits and source on Digikey,
> but that would be a lot of work)
>
>
> On 2015-01-21 10:44, Grawburg wrote:
>
>> I'm building up my supply of components and am getting ready to get
>> some more items. I already have a good supply resistors, transistors,
>> MOSFETS, and
>> diodes. Today I'm going to order some LM3171Ts and want to add some
>> electrolytic caps. My question is:
>>
>> What size caps should I make sure to have on hand (I do have some 0.1
>> mF ceramic)? What other small components should be in my arsenal?
>>
>>
>>
>> Thanks,
>> Brian
>>
>>
>>
>>
>>
>>
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>> TriEmbed web site: http://TriEmbed.org
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