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PTC Thermistor Alloy Resistance NiFe28 NiFe30 Wire is for Temperature Sensitive Resistance
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. PTC alloy has many advantages such as automatic temperature control, automatic power regulation, constant current, current limiting, energy saving and long practical life.
We can produce many kinds of PTC resistance wire. Some clients call NiFe wires instead of PTC wires.
If you have special requirements on the Tem.Coeff and Resistivity and diameter, please feel free to let us know. We can customize for you. Like,
NF13–Resistivity 0.13μΩm,Tem. Coeff. of resistance3400-3600PPm(Ni90).
Ni89.8% Mn0.2% Fe10%
Like, 0.05mm diameter PTC-4500
NF13–Resistivity 0.13μΩm,Tem. Coeff. of resistance3400-3600PPm(Ni90).
Ni89.8% Mn0.2% Fe10%
Like, 0.05mm diameter PTC-4500
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Code
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Diameter mm
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||
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Wire
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Rod
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Wire rod
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NF13
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0.05-8.0
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12-30
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8-14
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NF15
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0.05-8.0
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12-30
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8-14
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NF20
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0.05-8.0
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12-30
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8-14
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NF23
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0.05-8.0
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12-30
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8-14
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NF25
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0.05-8.0
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12-30
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8-14
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NF32
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0.05-8.0
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12-30
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8-14
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NF36
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0.05-8.0
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12-30
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8-14
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NF38
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0.05-8.0
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12-30
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8-14
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NF40
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0.05-8.0
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12-30
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8-14
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NF43
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0.05-8.0
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12-30
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8-14
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NF46
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0.05-8.0
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12-30
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8-14
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NF52
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0.05-8.0
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12-30
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8-14
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NF60
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0.05-8.0
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12-30
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8-14
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Alloy brand
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Chemical element
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Ni 100%
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Fe 100%
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NF13
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85-95
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Rest
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NF15
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75-85
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Rest
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NF20
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70-75
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Rest
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NF23
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60-65
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Rest
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NF25
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60-65
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Rest
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NF32
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50-55
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Rest
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NF36
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50-55
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Rest
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NF38
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50-55
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Rest
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NF40
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50-55
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Rest
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NF43
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45-50
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Rest
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NF46
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45-50
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Rest
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NF52
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45-50
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Rest
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NF60
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45-50
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Rest
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Alloy brand
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20ºC resistivity
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Tolerance range
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NF13
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0.13
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±0.02
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NF15
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0.15
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±0.02
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NF20
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0.20
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±0.02
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NF23
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0.23
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±0.02
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NF25
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0.25
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±0.02
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NF32
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0.32
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±0.02
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NF36
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0.36
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±0.02
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NF38
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0.38
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±0.02
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NF40
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0.40
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±0.02
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NF43
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0.43
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±0.02
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NF46
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0.46
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±0.02
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NF52
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0.52
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±0.02
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NF60
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0.60
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±0.02
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