[oshug] 10A rated 5.5mm / 2.5mm DC barrel connector?

Andrew Back arback at computer.org
Sun Apr 13 11:01:49 UTC 2014


Hi Ken,

On 13 April 2014 11:48, Ken Boak <ken.boak at gmail.com> wrote:
> Hi Andrew,
>
> I had a quick search and agree that 5A is about the maximum specified
> rating.
>
> http://www.rapidonline.com/pdf/735792_da_en_01.pdf
>
> It will probably be a result of contact area - especially the outer contact
> that wipes the barrel, contact material and flammability rating of any
> plastic parts.
>
> I guess these were designed for low power and low manufacturing cost - and
> anything that uses 12V at >5A is barely considered low power these days.

However:

  http://www.amazon.co.uk/Desktop-power-supply-cord-120w/dp/B004SRH1PI

  http://cpc.farnell.com/1/1/71743-psu-lcd-tvmonitor-12v-10a-3-pin-pac120f-powerpax.html

To give two examples...

Cheers,

Andrew

>
>
> Ken
>
>
>
>
>
>
>
>
>
> On 13 April 2014 11:30, Andrew Back <arback at computer.org> wrote:
>>
>> Hello,
>>
>> I'm having difficulty sourcing barrel connector sockets rated at >5A,
>> which is bizarre as numerous reputable suppliers sell 12V/10A desktop
>> PSUs that terminate in a 5.5mm OD / 2.5mm ID barrel plug. Yet, no
>> matter how much searching I do I can only seem to turn up 2.5A rated
>> sockets and, at a push, 5A rated.
>>
>> Grateful for any suggestions or insights anyone can offer here...
>>
>> Cheers,
>>
>> Andrew
>>
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>
>
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-- 
Andrew Back FRSA MIEEE
http://carrierdetect.com



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