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PTC Alloy kuramba waya ine yepakati resistivity uye yakakwirira yakanaka temerature coefficient ye esistance.
Yakashandiswa zvakanyanya mumaheater akasiyana siyana. Inogona kudzora tembiricha uye sdjust simba nekuchengeta inogara iripo uye inomisa ikozvino.Chemical composition:
Zita | Code | Main Kuumbwa | | | | | |
Fe | S | Ni | C | P | Standard |
Temperature Sensitive Resistance alloy waya | PTC | Bal. | ≤0.01 | 77~82 | ≤ 0.05 | ≤0.01 | Q/320421PTC4500-2008 |
Zvinotaurwa uye tolerances
Diameter | 0.05 | 0.10 | 0.15 | 0.16 | 0.17 | 0.18 | 0.19 | 0.20 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 |
Kushivirira | ± 0.003 | ± 0.005 | ± 0.008 |
Temp.Coeff.Yekupikisa (20ºC)
Type | PTC-4500 | PTC-4000 | PTC-3800 | PTC-3400 | PTC-3000 | PTC-2500 |
0 ~ 150ºCaverage, PPM | 4500 | 4000 | 3800 | 3400 | 3000 | 2500 |
Kusagadzikana (20ºC)(μΩ.m)
Type | PTC-4500 | PTC-4000 | PTC-3800 | PTC-3400 | PTC-3000 | PTC-2500 |
pa20ºCresistance ±5%μΩ.m | 0.20 | 0.38 | 0.40 | 0.43 | 0.52 | 0.6 |
Tafura yekupikisa
Product | ±0.5%Ω/m | Dia.(mm) uye nharaunda yepakati (mm²) |
0.05 | 0.10 | 0.15 | 0.16 | 0.17 | 0.18 | 0.19 | 0.20 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 |
0.00196 | 0.00785 | 0.00176 | 0.0201 | 0.0227 | 0.0255 | 0.0284 | 0.0314 | 0.0346 | 0.0380 | 0.0415 | 0.0452 | 0.0491 |
PTC-4500 | 96.93 | 24.20 | 10.79 | 9.45 | 8.37 | 7.45 | 6.69 | 6.05 | 5.49 | 5.00 | 4.58 | 4.20 | 3.87 |
PTC-4000 | 127.55 | 31.84 | 14.20 | 12.43 | 11.014 | 9.80 | 8.80 | 7.69 | 7.22 | 6.58 | 6.02 | 5.53 | 5.09 |
PTC-3800 | 137.75 | 34.39 | 15.34 | 13.43 | 11.89 | 10.59 | 9.51 | 8.60 | 7.80 | 7.11 | 6.51 | 5.97 | 5.50 |
PTC-3500 | 183.67 | 45.85 | 20.45 | 17.91 | 15.86 | 14.12 | 12.68 | 11.46 | 10.40 | 9.47 | 8.67 | 7.96 | 7.33 |
PTC-3000 | 204.08 | 50.95 | 22.72 | 19.90 | 17.62 | 15.68 | 14.08 | 12.73 | 11.56 | 10.52 | 9.63 | 8.84 | 8.14 |
PTC-2500 | 219.38 | 54.77 | 24.43 | 21.39 | 18.94 | 16.86 | 15.14 | 13.69 | 12.42 | 11.31 | 10.36 | 9.51 | 8.75 |
Huremu pa spool
chimiro (mm) | ≤0.05 | >0.05~0.10 | >0.10~0.15 | >0.15~0.25 |
Weight per spool | Standard uremu | 20 | 30 | 100 | 300 |
Huremu hushoma | 10 | 20 | 50 | 100 |
Elongation(%)
Standard | ≤0.05 | >0.05~0.10 | >0.10~0.15 | >0.15~0.25 |
Alloy wire (soft)elongation | 10% | 12% | 16% | 20% |
Zvakapfuura: PTC Thermistor Alloy Resistance NiFe28 NiFe30 Wire ndeyeTemperature Sensitive Resistance. Zvinotevera: PTC thermistor alloy waya dzeTemperature Sensitive Resistance