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Polyimide-Insulated Manganin® 290 Wire

Available Configurations

Properties common to all products in this list

Composition: Cu 86/Mn 12/Ni 2 Form: Insulated Wire Material: Copper/Manganese/Nickel (Manganin®) Commodity: Alloys Conductor Diameter: 0.15mm Insulation: Polyimide Insulation Thickness: 0.015mm Temper: Annealed
Polyimide-Insulated Manganin® 290 Wire merges the precision resistivity and low temperature coefficient of resistance of Manganin 290 alloy with the high thermal endurance and chemical resistance of polyimide insulation. It provides exceptional long-term stability in measurement circuits, making it a key material for aerospace, metrology, and industrial instrumentation. Applications include high-accuracy shunt resistors, Wheatstone bridge circuits, and stable current measurement systems in demanding conditions. In research, it is used in experiments on resistance stability under temperature cycling, alloy-polymer interface durability, and long-term drift minimization. The insulated wire’s blend of electrical precision, mechanical resilience, and polyimide protection ensures reliable performance in advanced measurement and control systems.

Health hazard/Hazardous to the ozone layer

Serious health hazard

Starting at $223.00 each
No Minimum order Free technical support *Free delivery worldwide

Material Properties

Mechanical Properties
Element Value
Elongation at break( % ) 50
Modulus of elasticity( GPa ) 124-159
Izod impact strength( J m⁻¹ ) 107
Tensile strength( MPa ) 300-600
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 43-48
Temperature coefficient( K⁻¹ ) 0.00001
Thermal Properties
Element Value
Maximum use temperature in air( C ) 300
Melting point( C ) 960
Thermal conductivity( W m⁻¹ K⁻¹ ) 22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 14-19@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.4
each

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Available Configurations

Properties common to all products in this list

Composition: Cu 86/Mn 12/Ni 2 Form: Insulated Wire Material: Copper/Manganese/Nickel (Manganin®) Commodity: Alloys Conductor Diameter: 0.15mm Insulation: Polyimide Insulation Thickness: 0.015mm Temper: Annealed

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Tolerances

Insulated Wire
Conductor Diameter ±10%
Insulation Thickness Nominal
Length +5% / -1%