Basic Info.

Model NO.

NF

Model NO.

NF

Product Desciption

PTC Ni-Fe Alloy Resistance Wire

 

PTC Alloy wire has medium resistivity and high positive temperature coefficient of resistance. It is widely used in various heaters. It can automatically control temperature and adjust power by keeping constant current and limiting current.

Specification
 

Code	Diameter  mm
	Wire	Rod	Wire rod
NF13	0.05-8.0	12-30	8-14
NF15	0.05-8.0	12-30	8-14
NF20	0.05-8.0	12-30	8-14
NF23	0.05-8.0	12-30	8-14
NF25	0.05-8.0	12-30	8-14
NF32	0.05-8.0	12-30	8-14
NF36	0.05-8.0	12-30	8-14
NF38	0.05-8.0	12-30	8-14
NF40	0.05-8.0	12-30	8-14
NF43	0.05-8.0	12-30	8-14
NF46	0.05-8.0	12-30	8-14
NF52	0.05-8.0	12-30	8-14
NF60	0.05-8.0	12-30	8-14

Chemical composition
 

Alloy brand	Chemical element
	Ni 100%	Fe 100%
NF13	85-95	Rest
NF15	75-85	Rest
NF20	70-75	Rest
NF23	60-65	Rest
NF25	60-65	Rest
NF32	50-55	Rest
NF36	50-55	Rest
NF38	50-55	Rest
NF40	50-55	Rest
NF43	45-50	Rest
NF46	45-50	Rest
NF52	45-50	Rest
NF60	45-50	Rest

Resistivity
 

Alloy brand	20ºC resistivity	Tolerance range
NF13	0.13	±0.02
NF15	0.15	±0.02
NF20	0.20	±0.02
NF23	0.23	±0.02
NF25	0.25	±0.02
NF32	0.32	±0.02
NF36	0.36	±0.02
NF38	0.38	±0.02
NF40	0.40	±0.02
NF43	0.43	±0.02
NF46	0.46	±0.02
NF52	0.52	±0.02
NF60	0.60	±0.02

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