China 0.01mm Enameled Constantan CuNi44 Micro Wire for Medical and Electronic Devices Manufacture and Factory

0.01mm Enameled Constantan CuNi44 Micro Wire for Medical and Electronic Devices

Short Description:

0.01mm Enameled Constantan CuNi44 Micro Wire is an ultra-fine copper-nickel resistance wire designed for applications requiring precise dimensions, stable electrical properties and reliable electrical insulation.

The CuNi44 Constantan alloy offers stable resistance characteristics and good corrosion resistance, while the enamel insulation provides electrical separation between adjacent wires and helps protect the conductor during handling and assembly.

With a minimum diameter of 0.01mm, the micro wire is suitable for compact and precision components where limited installation space and fine wire dimensions are required. Different enamel insulation types can be supplied according to the customer's application and processing requirements.

Material: Copper Nickel Alloy

Shape: Micro Wire

Minimum Diameter: 0.009mm

Insulation: Enamel Coating

Electrical Property: Resistance Alloy

Enamel Type: Customized

Application: Medical & Electronic Devices

Customization: Available

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Product Detail

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0.01mm Ultra Fine Enameled Constantan CuNi44 Wire for Micro Sensor and Medical Equipment

Product Description

0.01mm ultra fine enameled Constantan wire is manufactured from CuNi44 (6J40) copper nickel resistance alloy with excellent electrical stability, low temperature coefficient of resistance and superior flexibility. The ultra-small diameter design allows the wire to be used in compact and precision applications where space and reliability are critical.

Different enamel insulation options including PE, PEI, PI and PAI are available to meet various temperature, mechanical and chemical resistance requirements. The wire provides stable performance during long-term operation and is suitable for micro sensors, medical equipment, precision electronic components, miniature resistors and advanced measurement systems.

Customized diameter, insulation thickness, spool size and packaging solutions are available according to customer requirements.

Tpye of Insulation:

1) Polyester resistance wire , class 130
2) Modified polyester resistance wire , class 155
3) Polyesterimide resistance wire , class 180
4) Polyester (imide) coated with polyamide-imide resistance wire , class 200
5) Polyimide resistance wire , class 220

		Constantan 6J40	New Constantan	Manganin	Manganin	Manganin
			6J11	6J12	6J8	6J13
Main Chemical Elements %	Mn	1~2	10.5~12.5	11~13	8~10	11~13
	Ni	39~41	-	2~3	-	2~5
	Cu	REST	REST	REST	REST	REST
			Al2.5~4.5 Fe1.0~1.6		Si1~2
Temperature Range for Components		5~500	5~500	5~45	10~80	10~80
Density		8.88	8	8.44	8.7	8.4
g/cm3
Resistivity		0.48	0.49	0.47	0.35	0.44
μΩ.m,20		±0.03	±0.03	±0.03	±0.05	±0.04
Extensibility		≥15	≥15	≥15	≥15	≥15
%Φ0.5
Resistance		-40~+40	-80~+80	-3~+20	-5~+10	0~+40
Temperature
Quotiety
α,10 -6 /
Thermoelectromotive		45	2	1	2	2
force to Copper
μv/(0~100)

Tpye of Bare Wire

main property type		Cuni1	CuNI2	CuNI6	CuNI10	CuNi19	CuNi23	CuNi30	CuNi34	CuNI44
main chemical composition	Ni	1	2	6	10	19	23	30	34	44
	MN	/	/	/	/	0.5	0.5	1.0	1.0	1.0
	CU	rest	rest	rest	rest	rest	rest	rest	rest	rest
max working temperature		/	200	220	250	300	300	350	350	400
density（g/cm3）		8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9	8.9
resistivity at 20 °c		0.03±10%	0.05±10%	0.1±10%	0.15±10%	0.25±5%	0.3±5%	0.35±5%	0.40±5%	0.49±5%
temperature coefficient of resistance		<100	<120	<60	<50	<25	<16	<10	-0	<-6
tensile strength mpa		>210	>220	>250	>290	>340	>350	>400	>400	>420
elongation		≥25	≥25	≥25	≥25	≥25	≥25	≥25	≥25	≥25
melting point °c		1085	1090	1095	1100	1135	1150	1170	1180	1280
coefficient of conductivity		145	130	92	59	38	33	27	25	23