Cov Lus Qhia Txog Khoom
Cov Lus Nug Feem Ntau
Cov Cim Npe Khoom
Kev piav qhia txog khoom
PTC Alloy tsis kam hlau muaj qhov nruab nrab resistivity thiab siab zoo temperature coefficient ntawm resistance.
Nws tau siv dav hauv ntau lub tshuab cua sov. Nws tuaj yeem tswj tau qhov kub thiab kho lub zog los ntawm kev khaws cia qhov tam sim no tas li thiab txwv qhov tam sim no. Cov tshuaj lom neeg muaj pes tsawg leeg:
| Lub Npe | Cov Cai | Cov Khoom Tseem Ceeb | | | | | |
| Fe | S | Ni | C | P | Tus Qauv |
| Kub Rhiab Resistance alloy hlau | PTC | Bal. | ≤0.01 | 77~82 | ≤ 0.05 | ≤0.01 | Q/320421PTC4500-2008 |
Cov Lus Qhia thiab kev kam rau siab
| Txoj kab uas hla | 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 |
| Kev kam rau siab | ± 0.003 | ± 0.005 | ± 0.008 |
Temp.Coeff.Of tsis kam (20ºC)
| Hom | PTC-4500 | PTC-4000 | PTC-3800 | PTC-3400 | PTC-3000 | PTC-2500 |
| 0 ~ 150ºC nruab nrab, PPM | 4500 | 4000 | 3800 | 3400 | 3000 | 2500 |
Kev Tiv Thaiv (20ºC)(μΩ.m)
| Hom | PTC-4500 | PTC-4000 | PTC-3800 | PTC-3400 | PTC-3000 | PTC-2500 |
| ntawm 20ºC tsis kam ± 5% μΩ.m | 0.20 | 0.38 | 0.40 | 0.43 | 0.52 | 0.6 |
Lub rooj rau kev tiv thaiv
| Khoom | ±0.5%Ω/m | Dia.(mm) thiab thaj tsam hla (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 |
Qhov hnyav ib lub spool
| kev qhia tshwj xeeb (hli) | ≤0.05 | >0.05~0.10 | >0.10~0.15 | >0.15~0.25 |
| Qhov hnyav ib lub spool | Qhov hnyav txheem | 20 | 30 | 100 | 300 |
| Qhov hnyav tsawg dua | 10 | 20 | 50 | 100 |
Kev ntev (%)
| Tus Qauv | ≤0.05 | >0.05~0.10 | >0.10~0.15 | >0.15~0.25 |
| Cov hlau hlau sib txuas (mos) elongation | 10% | 12% | 16% | 20% |
Yav dhau los: PTC Thermistor Alloy Resistance NiFe28 NiFe30 Hlau yog rau Kev Tiv Thaiv Kub thiab Txias Tom ntej no: PTC thermistor alloy wires rau Kub rhiab heev Resistance