[time-nuts] 15 volt power supply for FE-5680A on eBay

Paul F. Sehorne paul at sehorne.org
Sat Jan 21 18:41:23 EST 2012


I'll have to set up the test again and measure voltage drop across the 
leads and the voltage directly at the power supply supply terminals.

On 1/21/2012 5:34 PM, David wrote:
> On Sat, 21 Jan 2012 17:20:39 -0600, "Paul F. Sehorne"
> <paul at sehorne.org>  wrote:
>
>> On Wed, Jan 18, 2012 at 6:25 PM, Chris Albertson
>> <albertson.chris at gmail.com>wrote:
>>>>> What I bought is a 15V open frame supply from allelectronics.com for
>>>>> $11.50.  It turned out to be a very high quality power supply (Digikey
>>>>> has the same unit for almost $40)   This PS does not drop volts even
>>>>> with the line input and load  well out of spec (I tested 63VAC input
>>>>> to a 4A load briefly) ...
>>>>> This is the one I bought
>>>>>
>>>>> http://www.allelectronics.com/make-a-store/item/PS-152/15VDC-2.7A-POWER-SUPPLY/1.html
>>>>>
>> I ordered two of the above mentioned power supplies.  They arrived
>> today.  I tested both of them.
>> Neither holds 15 volts.  At 2 amps they are down to 14 volts.  Even at 1
>> amp they are down to 14.5 vdc.
> The total regulation specification is +/- 5% so within 14.25 to 15.75
> volts under all conditions.  How high was your lead resistance?
>
> http://iccnexergy.com/elpac/medical-power-supplies/open-frame/mta040/
>
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