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CuNi23 Alloy 180 Precision Resistance Wire 0.12mm Diameter with Low TCR ±50 ppm/°C and Corrosion Resistance
| Lugar de origen | llevar a la fuerza |
|---|---|
| Nombre de la marca | Huona |
| Certificación | ISO9001 |
| Número de modelo | Aleación 180 |
| Cantidad de orden mínima | 10KG |
| Precio | Negociable |
| Detalles de empaquetado | Caja de cartón/madera |
| Tiempo de entrega | 5-21 días |
| Condiciones de pago | LC, T/T, Unión Occidental |
| Capacidad de la fuente | 500 toneladas por mes |
Datos del producto
| Grado de aleación | Aleación 180 | Diámetro | 0,12 mm (±0,005 mm) |
|---|---|---|---|
| forma | Bobina de plástico (800m/bobina) | Resistencia (20°C) | ~0,39 Ω·mm²/m |
| El TCR | ±50 ppm/°C | Temperatura de funcionamiento máxima | 300 ° C |
| Resistencia a la tracción | MPa ≥400 | Alargamiento | ≥25% |
| Resaltar | CuNi23 precision resistance wire,Alloy 180 resistance wire 0.12mm,To header resistance wire |
||
Descripción de producto
CuNi23 (Alloy 180) Precision Resistance Wire – 0.12mm Diameter
Product Overview
CuNi23 (Alloy 180 / Cuprothal 180) precision resistance wire from Huona is a copper-nickel-manganese alloy designed for stable, mid-resistance applications requiring low temperature coefficient and good corrosion resistance. It is the industry-standard grade for wire-wound resistors, rheostats, and heating elements where a balance of resistivity, TCR, and cost is needed.
Core Specifications
- Product Name: CuNi23 (Alloy 180) Precision Resistance Wire
- Alloy Composition: Cu ~77%, Ni ~23%, Mn ~1–2%
- Diameter: 0.12mm (customizable: 0.05–1.00mm)
- Tolerance: ±0.005mm
- Form: Plastic spool (standard length: 800m/spool; custom lengths available)
- Key Electrical Properties:
- Resistivity (20°C): ~0.39 Ω·mm²/m
- Temperature Coefficient of Resistance (TCR): ±50 ppm/°C
- Maximum Operating Temperature: 300°C
- Standards Compliance: GB/T 1234, ASTM B172, DIN 17471, RoHS 2.0, REACH
- Manufacturer: Huona (Shanghai) New Material Co., Ltd.
Key Advantages
1. Stable Resistivity with Low TCR
CuNi23 (Alloy 180) offers consistent resistivity across typical operating temperatures, with a TCR of ±50 ppm/°C. This makes it ideal for applications where resistance drift must be minimized, without requiring the ultra-low TCR of more expensive precision alloys.
2. Balanced Resistivity for Compact Designs
With a resistivity of ~0.39 Ω·mm²/m, it enables the design of compact wire-wound resistors and heating elements, making it a cost-effective choice for mid-range resistance requirements.
3. Excellent Corrosion & Oxidation Resistance
The copper-nickel base forms a protective oxide layer, providing good resistance to atmospheric corrosion, moisture, and mild chemical environments. This ensures long-term reliability in industrial and consumer electronics applications.
4. Good Mechanical Strength & Formability
The wire has a tensile strength ≥400 MPa and elongation ≥25%, making it suitable for fine winding, forming, and soldering. It handles repeated bending without work-hardening excessively, supporting high-volume production.
5. Versatile & Cost-Effective
CuNi23 is widely compatible with standard soldering, welding, and insulation processes. Compared to higher-resistivity nickel-chromium alloys, it offers a more economical solution for applications that don’t require extreme operating temperatures.
Technical Specifications Table
| Attribute | Value (Typical) |
|---|---|
| Alloy Grade | CuNi23 (Alloy 180 / Cuprothal 180) |
| Diameter | 0.12mm (±0.005mm) |
| Form | Plastic spool (800m/spool) |
| Resistivity (20°C) | ~0.39 Ω·mm²/m |
| TCR | ±50 ppm/°C |
| Max Operating Temperature | 300°C |
| Tensile Strength | ≥400 MPa |
| Elongation | ≥25% |
| Surface Finish | Bright bare copper-nickel finish (tin-plated optional) |
| Packaging | Anti-oxidation spool packaging with moisture-proof wrapping |
Typical Applications
- Wire-Wound Resistors: Mid-range precision resistors for power supplies, control circuits, and consumer electronics.
- Rheostats & Potentiometers: Resistance elements for variable resistors in industrial controls and laboratory equipment.
- Low-Temperature Heating Elements: Small appliance heating wires, medical device components, and laboratory equipment.
- Current-Limiting Elements: Overload protection resistors in power adapters and motor control systems.
- Instrumentation Components: Resistance windings for analog meters and signal conditioning circuits.
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