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Old 22-10-2005, 08:17 PM
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avandonk
avandonk

avandonk is offline
 
Join Date: Aug 2005
Location: Melbourne
Posts: 4,786
Slow blow is better.They can resist (excuse the pun) transient currents that exceed the rated current before going open circuit.

Odinary fuses will operate (blow) due to recrystallisation of the metal that makes up the thin wire,as they get older.They blow before their rated current is exceeded.

If you are protecting solid state devices,they will protect the fuse.
If you are protecting high current applications,the fuse will protect them.

If this is not clear ask me.

Bert
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