PTC .Su a ɛwɔ hɔ .
PTC(Positive TemperatureCoefcent) .
PTC .(Positive temperature coeffcent) yɛ semiconductor functional ceramics kuw a ɛwɔ nokware temperature coeficient.Ansa na PTC no ayɛ nsakrae (TC) wɔ PTC no mu no, ɔhyew no so tew bere a ɔhyew no kɔ soro;wɔ nsakrae no ntam ne ɔhyew a ɛma ɔhyew no runaway no kɔ soro kɛse bere a ɔhyew a ɛkɔ soro no yɛ PTC nkɛntɛnso no.
Wobetumi de PTC nkɛntɛnso adi dwuma de ayɛ PTC thermal ceramics ama atirimpɔw ahorow sɛnea ɔhyew ne ɔhyew a ɛwɔ mu no te; PTC afã horow no wɔ mfaso horow a ɛne sɛ wobetumi de wɔn ho ato so kɛse, wɔde adi dwuma yiye, wɔde ahobammɔ, ne ahoɔden a wɔde di dwuma.Wɔde eyi di dwuma kɛse wɔ nnwuma pii te sɛ afie mu nneɛma, anyinam ahoɔden mfiri, ɛlɛtrɔnik mfiri, ne kar adwumayɛbea.
Wobetumi akyekyɛ PTC afã horow a wɔde di dwuma no mu abiɛsa sɛnea wɔn ankasa su te:resistance!Ɔhyew su ahorow, mprempren a wɔde di dwuma: TimecharacteristicsApplicationof voltage:currentCharacteristics(volt-Ampere su)
Resistance-temperature su ahorow .
Resistance-temperature su a ɛwɔ PTC fã bi mu no kyerɛ abusuabɔ a ɛda zero-power resistanceValue a ɛwɔ component no mu ne ne resistor nipadua hyew wɔ susudua voltage a wɔakyerɛ mu, mfonini a ɛwɔ benkum so no yɛ R{2}}Icharacteristic diagram, wɔ tigure no mu, kuw A, unipePoint PointPic thermistory(Tc{3}" cy,"""""""""""""""""""""""""""""""""""""""""" Sensing, overheat protection, motor starters,ne ɔhyew a ɛkorɔn ɔhyew elementSiype B yɛ aeneraly di dwuma sɛ ɔhyew sensing, overcurrent orotection,time Delav components, ne automatic decaussers.
Mprempren{0}}bere su ahorow .
Mprempren-bere su a ɛwɔ PTC fã no mu no kyerɛ abusuabɔ a ɛda mprempren l a ɛsen fa fã no mu ne bere T a wɔde ratedoperating voltage di dwuma wɔ PTC fã no so no ntam. Nneɛma a wɔtaa de di dwuma wɔ hɔ a ɛyɛ foforo-bere su ne:Automatic degaussing, motor a efi ase, delayswitching,etc.
Voltage-mprempren su ahorow .
voltage-mprempren su, a wɔsan frɛ no Volt-ampere su no, kyerɛ abusuabɔ a ɛda voltageacross no ntam wɔ mframa a ɛwɔ hɔ wɔ dan mu hyew mu ne ne steady current.Lt betumi ahu afi mfonini no mu sɛ curve no wɔ AB ne BC afã abien AB ɔfa no mu ahoɔden a ɛko tia no titiriw nsakra, na ankasa-ɔhyew ɔhyew a ɛwɔ thecomponent no mu no kɔ soro. BC fã no bɛn ɔhyew a ɛdannan no. Fa PTC thermistor no bata ho wɔ ntoatoaso mu ne adesoa no toproperly paw resistance ne adwumayɛ tebea. APTC Element th at aw s mprempren ahobanbɔ ma ɔhyew awo ntoatoaso. Wɔfrɛ theeasured stable temperature sɛ PTC surface temperature (TS) wɔ voltage ne standard environment pɔtee bi ase. Inuse, PTC no nya tumi a ɛkari pɛ a ɛyɛ tumi-nneɛma a atwa yɛn ho ahyia wɔ ɔhyew a ɛyɛ ketewa paa a ɛwɔ mfinimfini wɔ soro temperature,enabling automatic temperature control. Dependen ne ahiadeɛ a ɛsono dwumadie, adeyɛ ne formulation betumi asiesie ama ayɛ resistance ranges ahodoɔ ne soro temperature ahodoɔ.
Field a wɔde di dwuma .
PTC heating elements yɛ soronko-tech products a ɛyɛ nnɛyi ne daakye. T no yɛ nea wɔde di dwuma kɛse wɔ lightindustry, residential,transportation, aerospace.agricuture,aduruyɛ,nneɛma a atwa yɛn ho ahyia ho banbɔ,mining,civil mfiri ne nea ɛkeka ho.t wɔ mfaso a ɛkorɔn sen ɔhyew nneɛma te sɛ asnickel,chrome anaa akyirikyiri infrared.
Dwumadi titiriw a ɛfa ɔhyew a ɛkɔ so daa, ɔhyew ho nhyehyɛe ne ɔhyew a ɛyɛ adwuma ho contro .
Sɛ wɔde AC anaa DC ahoɔden no di dwuma wɔ PTC element no so a, resistivityis no sua koraa wɔ curie point temperature no so; Sɛ Curie pointemperatureis no boro so wie a, resistivity no kɔ soro mpofirim, na ɛma ne current no kɔ fam kodu bo a ɛyɛ den, na ɛma wotumi di ɔhyew ne constanttemperature so ankasa.
