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Calculation formula of bond wire overcurrent

I=k*d3/2 .I is current, k is length, and d is conductor diameter. The calculation formula of bond wire overcurrent is I=k*d3/2, the lead length is less than 1mm, k= 15000, and the length is greater than 1mm, and k= 10500. Bonding wires are gold alloy wires used as connecting wires in integrated circuits, also known as ball bonding wires or leads.