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Continuous Current Long Lengths
The current carrying capacities of fine Au, Al-1%Si and pure Al wires are very similar. The burn-out (fusing) current for relatively long lengths of 1 mil (25 µm) diameter wire is approximately 0.5 amp.

For safety in most applications, it is recommended that the design maximum current should not exceed approximately one third of the burn-out value.

Design Rule

Pulse Current 25% Duty Cycle
Short Lengths 1 Mil Au Wire

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