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'[EE] Where to get 5V 4A+ wall wart?'
2011\06\20@133928 by V G

picon face
Hey all,

I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
Any ideas where to find these things

2011\06\20@134047 by V G

picon face
On Mon, Jun 20, 2011 at 1:39 PM, V G <spam_OUTx.solarwind.xTakeThisOuTspamgmail.com> wrote:

> Hey all,
>
> I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device..
> Any ideas where to find these things?
>

Well, even 2A is good if you guys know where to get them

2011\06\20@135014 by RussellMc

face picon face
>> I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
>> Any ideas where to find these things?
>>
>
> Well, even 2A is good if you guys know where to get them.

Many laptop supplies (bump on cord) would be able to be throttled back
to supply 5V. They would be massively underrated in that role.

Then there's always ebay bay-gum.



         Russel

2011\06\20@135258 by Robert Young

picon face

> From: .....x.solarwind.xKILLspamspam@spam@gmail.com
> Date: Mon, 20 Jun 2011 13:40:31 -0400
> Subject: Re: [EE] Where to get 5V 4A+ wall wart?
> To: piclistspamKILLspammit.edu
>
> On Mon, Jun 20, 2011 at 1:39 PM, V G <.....x.solarwind.xKILLspamspam.....gmail.com> wrote:
>
> > Hey all,
> >
> > I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
> > Any ideas where to find these things?
> >
>
> Well, even 2A is good if you guys know where to get them.


20A is pretty big for a wall wart.  But you can find 2.5A 5VDC switchers at Jameco and other catalog houses.  For higher than 2A, consider going to the "pig in a python" variety.
Rob                                          

2011\06\20@135316 by Spehro Pefhany

picon face
At 01:39 PM 20/06/2011, you wrote:
>Hey all,
>
>I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
>Any ideas where to find these things?

Try Sayal.


Spehro Pefhany --"it's the network..."            "The Journey is the reward"
EraseMEspeffspam_OUTspamTakeThisOuTinterlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

2011\06\20@135443 by PICdude

flavicon
face
Lots of options at Jameco.  Some examples (not all are wall-warts)...

http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_689864_-1

http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_1950981_-1

http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_320081_-1

http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_123247_-1

Cheers,
-Neil.



Quoting V G <x.solarwind.xspamspam_OUTgmail.com>:

> On Mon, Jun 20, 2011 at 1:39 PM, V G <@spam@x.solarwind.xKILLspamspamgmail.com> wrote:
>
>> Hey all,
>>
>> I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
>> Any ideas where to find these things?
>>
>
> Well, even 2A is good if you guys know where to get them.
>

2011\06\20@135543 by Mark Rages

face picon face
On Mon, Jun 20, 2011 at 12:39 PM, V G <KILLspamx.solarwind.xKILLspamspamgmail.com> wrote:
> Hey all,
>
> I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device..
> Any ideas where to find these things?

http://www.allelectronics.com/make-a-store/item/PS-541/5-VDC-4A-SWITCHING-POWER-SUPPLY/1.html




-- Mark Rages, Engineer
Midwest Telecine LLC
RemoveMEmarkragesTakeThisOuTspammidwesttelecine.co

2011\06\20@135606 by Michael Watterson

face picon face
On 20/06/2011 18:40, V G wrote:
> On Mon, Jun 20, 2011 at 1:39 PM, V G<spamBeGonex.solarwind.xspamBeGonespamgmail.com>  wrote:
>
>> Hey all,
>>
>> I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
>> Any ideas where to find these things?
>>
> Well, even 2A is good if you guys know where to get them.

2A is readily available in most shops. Often switchable... So plug the switch from moving with plastic wood etc or something.

I doubt you will not get 4A or more other than an inline "brick" from specialist supplie

2011\06\20@135649 by PICdude

flavicon
face
Another option... http://www.bgmicro.com/5v2aregulatedpowersupplybyd-link.aspx

You might also try 73.com (surplus).

Cheers,
-Neil.


Quoting V G <TakeThisOuTx.solarwind.xEraseMEspamspam_OUTgmail.com>:

> On Mon, Jun 20, 2011 at 1:39 PM, V G <RemoveMEx.solarwind.xspamTakeThisOuTgmail.com> wrote:
>
>> Hey all,
>>
>> I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
>> Any ideas where to find these things?
>>
>
> Well, even 2A is good if you guys know where to get them.
>

2011\06\20@141847 by Heinz Czychun

flavicon
face
Hi VG,

    Do you have an XSCargo nearby?

    They have 2 things that may be of interest, a powersupply  that  provides 12v @ 5A, meant to power things automotive, and a DC-DC  converter, 12v to various voltages between 1.5V to 12V. I believe the  first is under $10, and the second less than $5.

    Not exactly what you were asking for, but still may be useful,  useable.

Heinz


On 20-Jun-11, at 1:39 PM, V G wrote:

> Hey all,
>
> I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my  
> device.
> Any ideas where to find these things?
>

2011\06\20@141901 by V G

picon face
On Mon, Jun 20, 2011 at 1:58 PM, Spehro Pefhany <speffEraseMEspam.....interlog.com> wrote:

>  Try Sayal.
>

Thanks. I just went there. Bought a 5V 2A for a few bucks. Very cheap. I
guess I'll have to live with that for now

2011\06\20@143613 by V G

picon face
On Mon, Jun 20, 2011 at 2:18 PM, Heinz Czychun <EraseMEhczychunspamlks.net> wrote:

> Hi VG,
>
>     Do you have an XSCargo nearby?
>

Yes I do.


>
>     They have 2 things that may be of interest, a powersupply  that
> provides 12v @ 5A, meant to power things automotive, and a DC-DC
> converter, 12v to various voltages between 1.5V to 12V. I believe the
> first is under $10, and the second less than $5.
>
>     Not exactly what you were asking for, but still may be useful,
> useable.
>
>
That sounds useful. I'll go check it out. Thanks

2011\06\20@145606 by Herbert Graf

picon face
On Mon, 2011-06-20 at 14:18 -0400, V G wrote:
> On Mon, Jun 20, 2011 at 1:58 PM, Spehro Pefhany <RemoveMEspeffEraseMEspamEraseMEinterlog.com> wrote:
>
> >  Try Sayal.
> >
>
> Thanks. I just went there. Bought a 5V 2A for a few bucks. Very cheap. I
> guess I'll have to live with that for now.

They are pretty good though. I've used dozens on various projects over
the years.

Word of warning: they will fail after about 2 to 3 years of running
24/7. Only mode of failure I've seen is they have more and more noise on
the power supply rail, getting progressively worse over 2 to 3 weeks,
then they just stop. Considering how bloody cheap they are (I think I
last saw them for $2.69 each) I don't mind them failing after years of
service.

TTYL

2011\06\20@165814 by martin

flavicon
face
On Mon, 20 Jun 2011 14:56:07 -0400, Herbert Graf <RemoveMEhkgrafspam_OUTspamKILLspamgmail.com> wrote:
> They are pretty good though. I've used dozens on various projects over
> the years.
>
> Word of warning: they will fail after about 2 to 3 years of running
> 24/7. Only mode of failure I've seen is they have more and more noise on
> the power supply rail, getting progressively worse over 2 to 3 weeks,
> then they just stop. Considering how bloody cheap they are (I think I
> last saw them for $2.69 each) I don't mind them failing after years of
> service.

So are they certified devices? I.e. UL or CSA?  I have seen wall warts
with no rating information which makes me a bit queasy (especially running
them 24/7)

M

2011\06\20@172736 by Herbert Graf

picon face
On Mon, 2011-06-20 at 16:58 -0400, RemoveMEmartinTakeThisOuTspamspamdavintech.ca wrote:
> On Mon, 20 Jun 2011 14:56:07 -0400, Herbert Graf <EraseMEhkgrafspamspamspamBeGonegmail.com> wrote:
> > They are pretty good though. I've used dozens on various projects over
> > the years.
> >
> > Word of warning: they will fail after about 2 to 3 years of running
> > 24/7. Only mode of failure I've seen is they have more and more noise on
> > the power supply rail, getting progressively worse over 2 to 3 weeks,
> > then they just stop. Considering how bloody cheap they are (I think I
> > last saw them for $2.69 each) I don't mind them failing after years of
> > service.
>
> So are they certified devices? I.e. UL or CSA?  I have seen wall warts
> with no rating information which makes me a bit queasy (especially running
> them 24/7)

As is common these days: yes, they have the labels saying the are
certified, but no, I have no idea if they are indeed certified or if
they are counterfeit.

TTYL

2011\06\20@202804 by William \Chops\ Westfield

face picon face

On Jun 20, 2011, at 10:39 AM, V G wrote:

> 5V 4A+ wall wart

http://www.bgmicro.com/5v4aregulatedlaptoppowersupply.aspx

Your projects seems to start off with simple enough ideas, and then  rapidly drift outside their original design parameters to areas where  the pieces aren't so cheap or easy to find anymore.   You should watch  that; it's a bad habit.  (or "maybe you have a future as a government  contractor!")

BillW

2011\06\20@214054 by V G

picon face
On Mon, Jun 20, 2011 at 8:27 PM, William "Chops" Westfield
<RemoveMEwestfwKILLspamspammac.com>wrote:

> Your projects seems to start off with simple enough ideas, and then
> rapidly drift outside their original design parameters to areas where
> the pieces aren't so cheap or easy to find anymore.


How so? Simple idea doesn't necessarily mean simple implementation. Not at
first, and not without careful design, anyway.


> You should watch
> that; it's a bad habit.  (or "maybe you have a future as a government
> contractor!")

2011\06\20@214342 by V G

picon face
On Mon, Jun 20, 2011 at 9:40 PM, V G <x.solarwind.xSTOPspamspamspam_OUTgmail.com> wrote:

> On Mon, Jun 20, 2011 at 8:27 PM, William "Chops" Westfield <spamBeGonewestfwSTOPspamspamEraseMEmac.com
> > wrote:
>
>> Your projects seems to start off with simple enough ideas, and then
>> rapidly drift outside their original design parameters to areas where
>> the pieces aren't so cheap or easy to find anymore.
>
>
> How so? Simple idea doesn't necessarily mean simple implementation. Not at
> first, and not without careful design, anyway.
>
>
>> You should watch
>> that; it's a bad habit.  (or "maybe you have a future as a government
>> contractor!")
>>
>
>
Besides, it's not like I'm asking for a particle collider or anything. All I
want is a simple, completely reasonable power supply. Many laptop supplies
can output at least this amount of power, but I can't take in that much
voltage because then my linear regulator would be dissipating too much
power. 5V is perfect and will keep my design simple and cheap.

Cost and availability are ALWAYS top considerations in my designs, even
though they're all one off projects. I don't want to design something that
will be unnecessarily expensive or hard to find the parts for

2011\06\21@131143 by David Bley

picon face
I always check http://www.mpja.com (Marlin P. Jones) first.  They have such things for good prices.  They also have an email newsletter that comes out monthly that updates you on their specials.

db

>From: V G <KILLspamx.solarwind.xspamBeGonespamgmail.com>
>To: PICLIST <EraseMEpiclistspamEraseMEMIT.EDU>
>Sent: Monday, June 20, 2011 1:39 PM
>Subject: [EE] Where to get 5V 4A+ wall wart?
>

>Hey all,
>
>I need a cheap (as cheap as possible) 5V 4A+ wall wart to power my device.
>Any ideas where to find these things

2011\06\21@150031 by Denny Esterline

picon face
>
> I always check http://www.mpja.com (Marlin P. Jones) first.  They have such
> things for good prices.  They also have an email newsletter that comes out
> monthly that updates you on their specials.
>
> db
>
>
Be careful with MPJA. They exist in a bit of a grey area - Are they a
surplus house? or a normal reseller? Some of their items are clearly
surplus/pulls/whatever, and some is definitely new, current
production. Neither of those is bad per-say, but it can be a problem if you
design it into a large volume or long lived project. Typical surplus rules
apply, you may not be able to get more later.

That aside, I've bought lots of stuff from them, been happy with most of it..
:-)

-Denn

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