Mitundu ya ceramic capacitor

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Mitundu ya ceramic capacitor

Ceramic capacitors amatha kugawidwa m'njira zosiyanasiyana, kuphatikiza ndi zida za dielectric, coefficient kutentha, ndi njira yomanga. Nazi njira zodziwika bwino zogawira ma capacitors a ceramic:
 
1. Dielectric Material - Ceramic capacitor imatha kupangidwa ndi mitundu yosiyanasiyana ya zida za ceramic, monga:
 
  - Zoumba za Class 1: Izi zikuphatikiza C0G, NP0, ndi UHF ceramics, zomwe zimakhala ndi dielectric pafupipafupi ndipo zimakhala zokhazikika pakutentha kwakukulu. Amagwiritsidwa ntchito makamaka pamakina apamwamba kwambiri.
 
  - Ceramics Class 2: Izi zikuphatikiza X7R, Y5V, ndi Z5U Ceramics, zomwe zimakhala ndi dielectric yotsika komanso kutentha kwapamwamba kwa capacitance. Amagwiritsidwa ntchito makamaka pamagwiritsidwe otsika pafupipafupi.
 
2. Kutentha Kwambiri - Ma capacitor a Ceramic amatha kugawidwa ndi kutentha kwa mphamvu ya capacitance (TCC). TCC imayesa momwe capacitance ya capacitor imasinthira ndi kutentha. Mavoti odziwika kwambiri a TCC ndi awa:
 
  - Zoumba za Class 1 zili ndi TCC ya 0 ± 30 ppm/°C.
  - Zoumba zamtundu wa 2 zili ndi TCC ya ± 15% mpaka ± 22% pa kutentha kwapadera.
 
3. Kumanga - Ceramic capacitors akhoza kugawidwa ndi njira yawo yomanga, monga:
 
  - Multilayer ceramic capacitors (MLCCs): Izi zimapangidwa ndi kusanjikiza zigawo za ceramic ndi maelekitirodi achitsulo. Ndiwo mtundu wodziwika bwino wa ceramic capacitor ndipo ali ndi mphamvu zambiri.
 
  - Ma capacitor a ceramic osanjikiza amodzi: Awa amapangidwa ndikukuta disk ya ceramic ndi maelekitirodi achitsulo. Ali ndi mphamvu zochepa kuposa ma MLCC koma ali ndi inductance yotsika.
 
  - Feedthrough capacitors: Izi zidapangidwa kuti zizipereka kusefa kwa EMI ndipo zimagwiritsidwa ntchito popanga magetsi.
 
Ponseponse, gulu la ma capacitor a ceramic ndilofunika kumvetsetsa chifukwa mitundu yosiyanasiyana ya ma capacitor imakhala ndi ntchito zosiyanasiyana komanso magwiridwe antchito.

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