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oups.com...
Looking at fuse how do you tell difference? Thanks.


A fast blow usually has an " F " designator before the value, whereas a slow
blow or antisurge type usually carries a " T " designator, for " T " ime
delay - F2.5A or T3.15A for instance. If you look really closely at the
actual fuse element, you can usually get a good idea of the type. Some
antisurge fuses are very obvious, having a spring at one end, or a spiral
wound nature, which may be on a glass fibre string former. Some, however,
look little different from a 'straight' type, the only giveaway being a tiny
'blob' in the middle of the wire.

Arfa