[time-nuts] 10811 Thermal fuse?
David McGaw
n1hac at dartmouth.edu
Wed Sep 3 05:29:14 EDT 2014
Let's try this again:
They are HP/Agilent/Keysight PN 10811-80008. I was actually able to buy
a couple from Agilent a few years ago. They are listed as obsolete
now. A Panasonic EYP2BH115 should fit. Newark has them.
David
On 9/2/14 8:05 PM, Dave Daniel wrote:
> I believe a thermal cut-out is a device which interrupts the circuit
> when a prescribed temperature is reached or exceeded (in some cases
> by heating from an increase in current through a conductor), but
> which re-connects the circuit once the temperature has dropped below
> the cut-out temperature (possibly with some hysteresis built in). A
> fuse, on the other hand, interrupts the circuit after a certain
> current threshold is exceeded (and, of course there is an increase in
> temperature related to the increase in current) but which is destroyed
> in the process out interrupting the circuit.
>
> DaveD
>
> On 9/2/2014 5:10 PM, Dan Rae wrote:
>> On 9/2/2014 12:23 PM, Dan Rae wrote:
>>> I'm sure this has been discussed to death before, but does anyone
>>> know of a source of thermal fuses small enough to fit in the -hp-
>>> 10811? I have found plenty of larger ones, none of which will fit
>>> and would rather not just link it out.
>>>
>>> Dan
>>> _______________________________________________
>> Thanks for all the tips and advice.
>>
>> The Chinese eBay ones (15A) I have bought before and they are
>> physically too big to fit.
>>
>> Buerklin is a German distributor and will want 28 Euros to ship to
>> the US.
>>
>> I know I can link it out, but don't like doing that in something that
>> is powered on permanently.
>>
>> I have found some Panasonic ones that Digikey distribute in the US,
>> but frustratingly the data sheets have no dimensions given. I have
>> ordered some 1A and 2A ones to try, and will report further.
>>
>> I suspect that the originals would have been around 115C. And for
>> searching they seem to be called Thermal Cut Outs (TCO), not fuses.
>>
>> Dan
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