by "Trevor Wilson" <trevor@[EMAIL PROTECTED]
>
Apr 28, 2008 at 11:56 AM
"Phil Allison" <philallison@[EMAIL PROTECTED]
> wrote in message
news:67kk43F2pdepgU1@[EMAIL PROTECTED]
>
> "Trevor Wilson"
> "Phil Allison"
>>
> .
>>>> **Depends on the fuse. I just measured half a dozen 0.25 Amp 3AG
fuses.
>>>> They ranged from 12 Ohms up to 15 Ohms. COLD.
>>>
>>>
>>> ** That is an unbelievably high resistance value - not at all
>>> consistent with a 250mA fuse.
>>
>> **Nevertheless, it is correct.
>
>
> ** What is the brand of the fuses and where did you buy them ?
**No idea. Probably WES.
>
> No brand, 1/4 amp 3AG fuses I checked ranged from 3.5 to 4.5 ohms.
>
> These values are at the upper limit for a 250mA rated, fast acting
fuse.
>
>
> These 20mm "T" or delay fuses from Bussman are speced at 0.66 ohms for a
> 250mA size:
>
> http://www.farnell.com/datasheets/81115.pdf
>
> The specs show that R rises to 1 ohm at rated current.
>
>
> ** The cold value is 0.66 ohm - not 12 or 15 ohms.
>
> Your figures are completely non-typical.
**If I find some different fuses I will test them.
Trevor Wilson