Re: Is this a time-delay or 'slo-blo' fuse?



Rich Grise wrote:

phaeton wrote:

I have a blown fuse here, 5mm x 20mm. It is marked 250v 315ma. On
the inside, it has what looks like a metal film resistor connected in
series with (what used to be) the element. Mouser has a fuse with the
above specs available, but also with the choice of 'fast acting' and
'time delay'. Pictures in the datasheets are the same for both.

I assume that this is a time delay fuse, hence the resistor?

Thanks for any help. I want to make sure to replace it with the exact
match.

They're the same thing - it's just that somebody copyrighted the
name "slo-blo" so they can't use it. ;-)

Conceptually the same thing but US slo-blo fuses do in fact have slightly
different fusing chracteristics to international IEC T types.

Graham

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