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CIPDB › China Industry › Metallurgy, Mineral & Energy › Non-ferrous Metal & Products

PTC Thermistor Alloy Wires PTC 4500¹

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Non-ferrous Metal Products Heat Electric Wire Colomony Wire

Jiangyin Senphus Electrical Material Co., Ltd.

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Product Description PTC Alloy wire has medium resistivity and high positive temerature coefficient of esistance .It has widely used in various heaters. It can automatically control temperature and sdjust power by keeping constant current and limiting current. Chemical composition:NameCodeMain Composition FeSNiCPStandardTemperature Sensitive Resistance alloy wirePTCBal.≤0.0177~82≤ 0.05≤0.01Q/320421PTC4500-2008 Specifications and tolerances Diameter0.050.100.150.160.170.180.190.200.210.220.230.240.25Tolerance± 0.003± 0.005± 0.008 Temp.Coeff.Of resistance(20oC)TypeP-4500P-4000P-3800P-3500P-3000P-25000~150oCaverage × 10%%Z4500≥4000≥3800≥3500≥3000≥2500 Resistivity (20oC)(μΩ.m)TypeP-4500P-4000P-3800P-3500P-3000P-2500at20oCresistance ±5%μΩ.m0.190.250.270.360.400.43 The table for resistanceProduct±0.5%Ω/mDia.(mm)and cross-sectional area (mm2)0.050.100.150.160.170.180.190.200.210.220.230.240.250.001960.007850.001760.02010.02270.02550.02840.03140.03460.03800.04150.04520.0491P-450096.9324.2010.799.458.377.456.696.055.495.004.584.203.87P-4000127.5531.8414.2012.4311.0149.808.807.697.226.586.025.535.09P-3800137.7534.3915.3413.4311.8910.599.518.607.807.116.515.975.50P-3500183.6745.8520.4517.9115.8614.1212.6811.4610.409.478.677.967.33P-3000204.0850.9522.7219.9017.6215.6814.0812.7311.5610.529.638.848.14P-2500219.3854.7724.4321.3918.9416.8615.1413.6912.4211.3110.369.518.75 The weight per spoolspecification (mm)≤0.05>0.05~0.10>0.10~0.15>0.15~0.25Weight per spoolStandard weight2030100300Lesser weight102050100 Elongation(%)Standard≤0.05>0.05~0.10>0.10~0.15>0.15~0.25Alloy wire (soft)elongation10%12%16%20%

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