3-5μm CuNi44 Constantan Foil for Precision Resistors and Strain Gauge Applications
Product Description
CuNi44 Constantan foil is a copper-nickel resistance alloy featuring low temperature coefficient of resistance, stable electrical properties and excellent formability. The material is widely used in precision resistors, strain gauges, shunt resistors, compensation circuits and measurement instruments.
The foil offers excellent dimensional stability and reliable resistance performance over a wide temperature range, making it suitable for precision electronic and industrial applications.
Customized thickness, width and surface conditions are available according to customer requirements.
Specification
| Material | Grade | Thickness | Width | Resistivity | Surface | Condition | Supply Form |
|---|---|---|---|---|---|---|---|
| Copper Nickel Alloy | CuNi44 / 6J40 | 0.05 mm | 300 mm | 0.49 μΩ·m | Bright | Soft Annealed | Coil |
Available Materials
| Titanium Alloy | Resistance Alloy | Nickel Alloy | Copper Alloy | Soft Magnetic Alloy | Expansion Alloy |
|---|---|---|---|---|---|
| TA1 Titanium | 6J12 Manganin | N4 Nickel | T1 Copper | 1J50 | 4J29 Kovar |
| TA2 Titanium | 6J22 Karma | Ni200 | C1990 Copper Alloy | 1J85 | 4J36 Invar |
| Titanium Alloy | 6J23 Evanohm | Ni201 | CuNi Alloy | Nanocrystalline Alloy | FeNi Alloy |
| Titanium Strip | 6J40 Constantan | Nickel Alloy | Copper Alloy | Magnetic Alloy | Expansion Alloy |
Typical Applications
| Solid State Battery | Semiconductor Industry | Precision Electronics | Sensor Industry | Capacitor Industry | EMI Shielding |
|---|---|---|---|---|---|
| Current Collector | Bonding Tabs | Functional Components | Strain Gauges | Capacitor Electrodes | Electromagnetic Shielding |
Tankii provides customized thickness, width and surface conditions according to customer requirements. Precision slitting, prototype development, small quantity orders and OEM manufacturing services are available to support both research institutions and industrial production projects.
All products are manufactured under strict quality control procedures and undergo comprehensive inspection before shipment to ensure stable performance and consistent quality. Moisture-proof packaging, vacuum packaging and export-standard transportation solutions are available to guarantee safe delivery worldwide.
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