PTC qotishma simining o'rtacha qarshiligi va yuqori musbat harorat qarshilik koeffitsienti mavjud. U turli xil isitgichlarda keng qo'llaniladi. U doimiy tok va cheklovchi tokni ushlab turish orqali haroratni avtomatik ravishda boshqarishi va quvvatni sozlashi mumkin. PTC qotishmasi avtomatik haroratni boshqarish, avtomatik quvvatni boshqarish, doimiy tok, tokni cheklash, energiyani tejash va uzoq amaliy xizmat ko'rsatish kabi ko'plab afzalliklarga ega.
Biz PTC qarshilik simlarining ko'p turlarini ishlab chiqarishimiz mumkin. Ba'zi mijozlar PTC simlari o'rniga NiFe simlarini chaqirishadi.
| Kod | Diametri mm | ||
| Sim | Tayoqcha | Simli tayoq | |
| 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 |
| Qotishma brendi | Kimyoviy element | |
| Ni 100% | Fe 100% | |
| NF13 | 85-95 | Dam olish |
| NF15 | 75-85 | Dam olish |
| NF20 | 70-75 | Dam olish |
| NF23 | 60-65 | Dam olish |
| NF25 | 60-65 | Dam olish |
| NF32 | 50-55 | Dam olish |
| NF36 | 50-55 | Dam olish |
| NF38 | 50-55 | Dam olish |
| NF40 | 50-55 | Dam olish |
| NF43 | 45-50 | Dam olish |
| NF46 | 45-50 | Dam olish |
| NF52 | 45-50 | Dam olish |
| NF60 | 45-50 | Dam olish |
| Qotishma brendi | 20ºC qarshilik | Bardoshlik diapazoni |
| 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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