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CuNi23 Alloy 180 Precision Resistance Wire 0.12mm Diameter with Low TCR ±50 ppm/°C and Corrosion Resistance

Τόπος καταγωγής	Σαγκάη
Μάρκα	Huona
Πιστοποίηση	ISO9001
Αριθμό μοντέλου	Κράμα 180
Ποσότητα παραγγελίας min	10 κιλά
Τιμή	Διαπραγματεύσιμα
Συσκευασία λεπτομέρειες	χαρτοκιβώτιο/ξύλινη θήκη
Χρόνος παράδοσης	5-21 ημέρες
Όροι πληρωμής	L/C,T/T,Western Union
Δυνατότητα προσφοράς	500 τόνοι το μήνα

Λεπτομέρειες

Βαθμός κράματος	Κράμα 180	Διάμετρος	0,12 mm (±0,005 mm)
μορφή	Πλαστικό καρούλι (800m/καρούλι)	Αντίσταση (20°C)	~0,39 Ω·mm²/m
ΔΕΠ	±50 ppm/°C	Μέγιστη θερμοκρασία λειτουργίας	300 ° C
Αντοχή εφελκυσμού	≥400 MPA	Επιμήκυνση	≥25%
Επισημαίνω	CuNi23 precision resistance wire , Alloy 180 resistance wire 0.12mm , To header resistance wire

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Περιγραφή προϊόντων

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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