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Nickel-Iron Alloy is characterised by very low resistivity and high temperature coefficient of resistance. It is widely used in various heaters.
It can automatically control temperature and adjust power by keeping constant current limiting current.
In modern times it has found popularity in the vaping industry due to its high heat and electrical resistance.
Please note that this wire is sometimes known as NiFe30 by other vendors. Please note that it is NiFe70 because of the 70% nickel content.
Diameter - 0.2mm (32 AWG)
Resistivity - Ohms/m 6.69
Name Main Composition (%)
Fe - 28-30
Si - <1
Ni - 69-70
Mn - <0.05
Temp. Coeff. Of Resistance ( a X10-6/°C) 20 °C - 5000