| 1AG (AGA) glass |
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| 2AG (225) glass |
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| 3AB (ceramic) |
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| 3AG (AGC) glass |
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| 4AG |
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| 5AG (AGU) glass |
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| 7AG (AGW) glass |
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| 8AG (AGX) glass |
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| 5x15mm (C519,C520) glass |
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| 5x20mm (GDA,GDB) glass |
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| Nanofuse |
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| SFE |
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| Automotive & Mini-Auto (blade) |
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In electronics and electrical engineering, fuses are used to prevent an overcurrent condition
from damaging the circuit that it is designed to protect. Fuses come in many shapes, sizes,
current limits, and operational voltages. The primary component in the fuse it usually a metal
wire whose length, diameter, and alloy composition is tailored to melt (fuse) at a precise
current value.
Two basic types of fuses are available - fast reaction and slow reaction. Fast reaction
fuses are used to protect circuit that cannot tolerate even a small amount of excessive current.
The sensitive gate of a semiconductor device is an example. Slow reaction (slow-blow) fuses
are used for circuits where a higher than normal current condition can be survived for a short
time, such as a motor when it first starts (inrush current can be many times greater than
the normal run current).
The fuse cases shown here (full-size) are commonly found in electronic circuits and may
either be in fuse holders that allow easy replacement, or soldered in place. Fuses can also
be found in surface mount form factors.
Click here for fuse specifications.
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