Ama-Ceramic Capacitors: Izinkombandlela Zokuklama Okubalulekile Nokucatshangelwa Kokwethembeka

Yiziphi Ceramic Capacitors?

Ama-capacitor e-ceramic ayizingxenye ezingasebenzi ezisebenzisa izinto ze-ceramic njengendawo ye-dielectric phakathi kwamapuleti okuhambisa umoya. Ngokungafani nama-capacitor e-electrolytic, lawa amadivayisi angenawo ama-polarized avumela ukusebenza kwe-bidirectional. Isakhiwo esiyisisekelo sakhiwa izendlalelo ze-ceramic dielectric, ama-electrode ensimbi, kanye nama-terminal lead ahlinzeka ngokuxhumeka kukagesi.

I-Multilayer Ceramic Capacitor (MLCC) Construction

Ifomu elihamba phambili kwezogesi zesimanje i-MLCC, ifinyelela amandla aphezulu ngokunqwabelanisa izendlalelo eziningi zobumba ezincanyana ngama-electrode ensimbi anamacembe. Lokhu kwakhiwa kwe-laminated kukhiqiza izingxenye ezihlangene ezinamavelu kusuka kuma-picofarad kuya kumakhulu ama-microfarad. Izendlalelo ezishintshanayo ziqhunyiswa ngokuhlanganyela futhi zimbozwe ngokunqanyulwa kwensimbi.

Ukuqhathaniswa kokusebenza nobunye ubuchwepheshe be-Capacitor

Uma kuqhathaniswa nama-capacitor e-electrolytic kanye nefilimu, ama-capacitor e-ceramic anikeza ukusebenza okuphezulu kakhulu kwemvamisa ephezulu, i-ESR ephansi, kanye nokuzinza okungcono kokushisa. Kodwa-ke, abonisa izici ezihlukile kufaka phakathi ukulahlekelwa yi-capacitance ngaphansi kokubandlululwa kwe-DC kanye nokuzwela komshini okudinga ukucatshangelwa ngokucophelela ngesikhathi sokuklama isekethe kanye nezinqubo zokuhlanganisa i-PCB.

Izinhlobo ze-Ceramic Capacitors nge-Dielectric Class

I-Class I Ceramic Capacitors (C0G/NP0)

Ama-capacitor e-ceramic ekilasi I asebenzisa izinto ezisebenza ngogesi ezinikeza ukuzinza okukhethekile kuwo wonke amazinga okushisa nogesi. Izingxenye ze-C0G zibonisa ama-coefficients okushisa aphansi afika ku-0 ±30 ppm/°C, okuwenza abaluleke kumasekhethi wesikhathi anembayo, izinhlelo zokusebenza ze-RF, namanethiwekhi akhetha imvamisa. I-dielectric constant ihlala iphansi (30-40), ikhawulela amandla afinyelelekayo kodwa iqinisekisa ukuziphatha okubikezelwayo nge-coefficient encane yamandla kagesi, ukuguga okunganakwa, nezici zokulahla ngaphansi kuka-0.1%.

I-Class II Ceramic Capacitors (X7R, X5R, Y5V)

Ama-ceramic capacitor e-Class II asebenzisa izinto ze-ferroelectric, ngokuyinhloko i-barium titanate (BaTiO₃), athola ama-dielectric constants ukusuka ku-1,500 kuya ku-15,000. Ukwakheka kwe-X7R kugcina ukuqina kwe-±15% kwe-capacitance kusuka ku--55°C kuya ku-+125°C, kulungele ukulethwa kwamandla nokunqanyulwa. I-dielectric engaguquki inika amandla amandla amakhulu kumaphakheji ahlangene kodwa yethula ukuziphatha okuncike ku-voltage lapho i-capacitor engu-10μF esilinganisweni esingu-6.3V ingase ilethe kuphela amandla asebenzayo angu-5-6μF ngaphansi kokuchema kwe-5V DC.

Izakhiwo ezikhethekile ze-Ceramic Capacitor

Ngaphandle kokuhlukaniswa kwe-dielectric, ama-capacitor e-ceramic ayahlukahluka ngokwakhiwa nokusetshenziswa:

• High-voltage Ceramic capacitor - Izendlalelo ze-dielectric ezishubile kanye nokuqedwa okukhethekile ukumelana namandla e-kilovolt
• Ama-capacitor anesilinganiso sokuphepha (Y1/Y2) - Ukwakhiwa okuqondile kuvimbela ukwehluleka okuyinhlekelele ekuhlungeni nasekuhlukaniseni umugqa we-AC
• Ama-MLCC wokuqedwa okuthambile - Isendlalelo se-polymer eguquguqukayo phakathi kwe-ceramic ne-metallization sidonsa ingcindezi yemishini

I-Ceramic Capacitor Materials kanye Nezakhiwo Ezibalulekile

Ukwakheka kwe-Dielectric Material

I-dielectric ehamba phambili kuma-ceramic capacitors e-Class II i-barium titanate (BaTiO₃), inhlanganisela ye-ferroelectric ebonisa ukungaguquguquki okuphezulu kwe-dielectric ekamelweni lokushisa. Abakhiqizi bashintsha ukwakheka kwesisekelo ngama-dopants ukuze bashune izici zezinga lokushisa nokuziphatha kokuguga. Ukwakhiwa kwekilasi I kusebenzisa izinto ezisebenza ngogesi ezifana ne-titanium dioxide noma i-magnesium titanates, edela ukungaguquki kwe-dielectric ukuze kube nokuzinza okuphezulu.

I-DC Bias kanye Nemiphumela Yezinga Lokushisa Kumandla

I-dielectric constant ye-ferroelectric ceramics iyashintsha ngamandla ensimu kagesi asetshenzisiwe. Umphumela we-DC bias uvela ekulinganisweni kwesizinda ngaphansi kwe-voltage, okunciphisa ngempumelelo i-dielectric constant njengoba i-voltage ikhuphuka. I-capacitor ye-ceramic engu-22μF elinganiswe ku-10V ingase ilethe kuphela i-capacitance esebenzayo engu-12-15μF ekusebenzeni kwe-7V, okumelela ukwehla okungu-30-40%. Lesi simo siyanda ezingxenyeni ze-capacitance ephezulu, ne-low-voltage lapho amandla ensimu yangaphakathi esondela emazingeni okugcwala.

Izici zokuguga ku-Class II Ceramics

Ama-capacitor e-ceramic ekilasi II abona ukubola kwe-logarithmic capacitance ngenxa yokuphumula kwesakhiwo ngaphakathi kwezizinda ze-ferroelectric. Izinga lokuguga ngokuvamile lilinganiselwa ku-1-2% wokulahlekelwa amandla eshumini ngalinye lesikhathi ezingeni lokushisa legumbi lokubunjwa kwe-X7R. Amandla abuyiselwa kancane ngokuhamba ngebhayisikili elishisayo ngaphezu kwezinga lokushisa lase-Curie. Ama-ceramic capacitor e-Class I abonisa ukuguga okunganakwa, agcina amandla azinzile kukho konke ukuphila komsebenzi.

Indlela Ama-Ceramic Capacitors Asebenza Ngayo Kusesekethe

Ama-Ceramic capacitor agcina amandla kagesi ngokusungula inkambu kagesi ngaphakathi kwempahla ye-dielectric phakathi kwama-electrode aphikisanayo. Amandla ancike kokungaguquki kwe-dielectric (ε), indawo ye-electrode (A), nebanga lokuhlukanisa (d) ngokuya ngo-C = ε₀εᵣA/d. Ukwakhiwa kwe-multilayer kuphindaphinda indawo ye-electrode esebenzayo ngaphandle kokukhuphula unyawo—ama-MLCC avamile aqukethe izendlalelo ezisebenzayo ezingu-100-500, echaza ukuthi amaphakheji angu-0603 afinyelela kanjani amanani eleveli ye-microfarad.

I-Parasitic Elements kanye Nokuziphatha Kwe-High-Frequency

Yonke i-ceramic capacitor ibonisa ukumelana nochungechunge okulingana (ESR) kusukela ekumelaneni kwe-electrode kanye ne-equivalent series inductance (ESL) kusukela ezindleleni zamanje. Lawa ma-parasitic adala imvamisa yokuziphendulela ngaphezulu lapho ingxenye iziphatha ngokuzumayo. Amaphakheji amancane ngokuvamile abonisa i-ESL ephansi (0402: 0.3-0.5nH vs 1206: 1-2nH), okuwenza athandeke ekuhlukaniseni ama-high-frequency naphezu kokuzwela okukhulu kokuchema kwe-DC.

Izicelo ze-Ceramic Capacitor ku-Electronic Design

I-Power Delivery Network Decoupling

Ama-Ceramic capacitor asebenza njengezindawo zokushaja zendawo ezihlinzeka ngezidingo zamanje ezisheshayo ezivela kumasekethe ahlanganisiwe. Lapho amaswishi engqondo yedijithali noma amasekhethi e-analog ehlangabezana nemithwalo yesikhashana, ama-MLCC abekwe kahle agcina ukuqina kwamandla kagesi ngokukhipha amandla eshajelweni egciniwe. Ukusebenza okuphezulu kudinga ukukhwezwa ngokushesha eduze nezikhonkwane zamandla, njengoba ukulandelelwa okude kwethula impendulo edlulayo eyehlisa isithunzi. Imiklamo yesimanje isebenzisa ama-capacitor amaningi ahambisanayo amanani ahlukene adala ukuncishiswa kwe-impedance ebanzi ukusuka ku-DC ukuya kumakhulu ama-megahertz.

Ukuhlunga kwe-EMI kanye Nesimo Sezimpawu

Ama-Ceramic capacitor akha izakhi ezibalulekile kumanethiwekhi okuhlunga angasebenzi asebenza nama-inductors nama-resistors ukuze kunciphe izingxenye zemvamisa ezingafunwa. I-ESR ephansi iqinisekisa ukucindezelwa okusebenzayo komsindo wemvamisa ephezulu ngaphandle kwekhwalithi yesiginali eyehlisa isithunzi:

• Izihlungi ze-LC - Ama-capacitor e-ceramic e-Class I ahlinzeka ngamafrikhwensi ekhoneni anembile ukuze kulungiswe isignali
• Ukuhambisana ne-EMI/EMC - Ukucindezela kwe-X7R kanye ne-X5R kuqhutshwe ukukhishwa kwezinsimbi zamandla nemigqa yesignali
• Izinhlelo zokusebenza zokuphepha - Izithiyo zokuhlukanisa ibhuloho le-ceramics lika-Y1/Y2 kugesi wemodi yokushintsha

Ukunemba Isikhathi kanye Neziyingi ze-RF

Ama-capacitor e-ceramic ekilasi I anika amandla imisebenzi enembile lapho ukuqina kwamandla kunquma ngokuqondile ukunemba. Amasekhethi esikhathi se-RC angashintshi, ama-oscillator alawulwa yi-voltage, namanethiwekhi wesampula nokubamba azuza ekuzinzeni kwe-C0G ngokukhukhuleka okuncane kwezinga lokushisa kanye ne-voltage coefficient. Amasekhethi anomsindo wezinhlelo zokusebenza ze-RF adinga ukulahleka okuphansi, izici ezizinzile ezihlinzekwa ngama-dielectrics Ekilasi I kuphela.

Osayizi Bephakheji Ye-Ceramic Capacitor Nokukhethwa

Amaphakheji ajwayelekile okukhweza phezulu alandela izilinganiso zasebukhosini: 0402 (0.04″ × 0.02″), 0603 , 0805 , 1206.

Amaphakheji amancane anikeza ukonga kwesikhala kanye ne-ESL ephansi yokunqanyulwa kwemvamisa ephezulu kodwa akhawulela amandla afinyelelekayo futhi andise ukuzwela kwe-DC okuchemile ngenxa yamandla enkambu yangaphakathi aphezulu. Amaphakheji amakhulu athatha izendlalelo eziningi nezakhiwo eziwugqinsi, athuthukisa ukuqina kwamandla ngaphansi kokuchema nokuqina kwemishini. Ekuhlanganiseni okunokwethenjelwa okuphezulu, sivame ukuncoma usayizi owodwa omkhulu kunobuncane obuncane ukuze sithuthukise ukuqina.

Izindlela Ezijwayelekile Zokuhluleka Kwe-Ceramic Capacitor

Ukuqhekeka Kwemishini Nokuqhekeka Kwengcindezi

Ukuqhekeka kwe-ceramic kwenza ama-MLCC athambekele ekuhlulekeni okubangelwa ukucindezeleka. Ukuguquguquka kwe-PCB ngesikhathi sokuphatha, ukususwa kwamapaneli, noma ukusebenza kudala ukusabalala kwemifantu ngemizimba ye-ceramic. Imiklamo yokuqeda eguquguqukayo ihlukanisa ngomshini izakhi ze-ceramic kusuka ekuhluphekeni kwe-PCB, ifaka izendlalelo ezihambisanayo phakathi kokuphela kwe-ceramic nangaphandle. Ukwakheka kwe-PCB okufanele kunciphisa ubungozi ngokusebenzisa i-geometry efanele yephedi, ukuhlukaniswa okulawulwayo emaphethelweni ebhodi, nokugwema ukubekwa eduze kwezindawo ezinokucindezeleka okukhulu.

Ukwethuka Okushisayo Ngesikhathi Sokugeleza Kwe-Soldering

Amazinga okushisa asheshayo ashintsha ngaphansi kwama-capacitor e-ceramic kuya kuma-thermal gradients adala ingcindezi yangaphakathi. Umehluko wezinga lokushisa phakathi kwezindawo ezingaphezulu udala ukungezwani kokunwetshwa okuqalisa ukuqhekeka. Amaphrofayli okugeleza kabusha angenawo umthofu adinga ukuthuthukiswa ngamazinga erempu alawulwayo angaphansi kuka-3°C/isekhondi, ukushisa okwanele kwangaphambili, nokupholisa kancane kancane ukuze kuncishiswe ukunqwabelana kokucindezeleka okushisayo.

I-DC Bias Derating Ekwakheni Ukunikezwa Amandla

Ukuncishiswa kwamandla okubangelwa ukwenzelela kwe-DC kubekela inselele amadizayini okuphakelwa kwamandla lapho onjiniyela belindele khona amandla aphelele. Isebenza emazingeni abalulekile e-DC, amandla asebenzayo angase ehle aye ku-60-70% yenani elivamile, okubangela ukuhlunga okunganele. Abakhiqizi bahlinzeka ngamajika e-DC achemile abonisa amandla uma kuqhathaniswa ne-voltage—idatha ebalulekile yokuhlaziya okunembile. Inhlanganisela ehambisanayo yamayunithi amaningi enani eliphansi kwesinye isikhathi inikeza amandla asebenza kangcono kunengxenye eyodwa enenani eliphezulu.

I-Piezoelectric Acoustic Noise Generation

Izinto ezisetshenziswayo zika-Ferroelectric kuma-ceramic capacitor e-Class II zibonisa izakhiwo ze-piezoelectric, eziwohlokayo ngokwemishini ngaphansi kwezinkambu ezisetshenzisiwe. Ama-voltage e-AC noma ama-waveforms ashintshayo akhiqiza ukuphuma kwe-acoustic—isici “sokucula” okuvela kumandla wemodi yokushintsha. Amasu okunciphisa ahlanganisa ukukhetha izakhi ezinama-coefficients e-piezoelectric ancishisiwe, ama-resonances ancishisiwe ngokusebenzisa i-conformal coating, noma ukushintshela kuma-dielectric Ekilasi I lapho kungenzeka khona.

Imihlahlandlela Yokuklama Yokukhetha I-Ceramic Capacitor

I-Dielectric Choice Eqhutshwa Isicelo

Izidingo zohlelo lokusebenza zinquma ukuthi zibeke phambili yini ukuminyana kwamandla noma ukuzinza. Ukukhipha amandla okuxhuma nokuhlunga ngobuningi kucacisa ama-dielectrics Ekilasi II (X7R) ukuze kukhuliswe amandla esikhaleni esitholakalayo. Amasekhethi e-RF, i-analog enembile, izinhlelo zokusebenza zesikhathi, nokuxhumanisa isignali kudinga izingxenye ze-Class I naphezu kosayizi omkhulu wamanani alinganayo.

I-Voltage Rating Strategy for Relibility

Bala umkhawulo kagesi olindelekile ohlanganisa ukuchema kwe-DC, i-AC ripple, kanye ne-overshoot yesikhashana, bese ukhetha izilinganiso ezihlinzeka ngemajini eyanele. Sebenzisa ubuncane bokuncishiswa okungu-50%, ngo-40% noma ngaphansi ezinhlelweni ezibucayi. Izingxenye ezinesilinganiso esiphezulu zibonisa ukuzwela okuchema kwe-DC okuncishisiwe, iletha amandla asebenzayo azinzile—ukusebenzisa ama-capacitor anesilinganiso esingu-10V ezinhlelweni ze-5V kunikeza kokubili umkhawulo wokuthembeka nokuzinza okuthuthukisiwe uma kuqhathaniswa nezinye izindlela ezingu-6.3V.

Inxephezela imiphumela ye-DC Bias

Xhumana nomkhiqizi we-DC bias curves ebonisa ukugcinwa kwamandla uma kuqhathaniswa ne-voltage esetshenzisiwe njengephesenti lesilinganiso. Lapho uklama ngama-ceramic capacitor e-Class II, thola amandla asebenzayo ku-voltage yokusebenza yangempela. I-22μF, 6.3V X7R capacitor ku-5V isebenza ngempumelelo njengo-14μF. Khetha amanani aphezulu ukuze ufinyelele amandla asebenzayo noma amayunithi ahambisanayo amaningi amanani aphansi asabalalisa ukucindezelwa kwamandla kagesi.

Umthelela Kasayizi Wephakheji Ekusebenzeni

Izidingo zokulinganisela ze-ESL, ukuzwela kokuchema kwe-DC, nokuqina kwemishini okusekelwe kuhlelo lokusebenza. Amaphakheji amancane anikeza i-ESL ephansi ethuthukisa ukusebenza kahle kwemvamisa ephezulu kodwa ahlushwa imiphumela emibi kakhulu yokuchema futhi anciphise amandla okusebenza. Linganisa izimfuneko zemvamisa, indawo yebhodi etholakalayo, nendawo yokumakhenikha lapho ukhetha ubukhulu bephakheji.

PCB Assembly Manufacturing Ukucatshangelwa

Ukuthuthukiswa Kwephrofayela Ye-Reflow Ye-Ceramic Capacitors

Umehluko we-thermal mass phakathi kwama-capacitor e-ceramic amancane kanye nezingxenye ezizungezile zidinga ukuthuthukiswa kwephrofayela ngokucophelela. Ukushisa okusheshayo kudala ama-thermal gradients abangela ukuqhekeka komzimba we-ceramic, ikakhulukazi osayizi abakhulu. Amaphrofayli kufanele abe namazinga erempu alawulwayo angaphansi kuka-3°C/ngesekhondi, ukushisa okwanele kwangaphambili okunciphisa ukushaqeka okushisayo, namazinga okushisa aphezulu ahlangabezana nezimfuneko ze-solder ngaphandle kokudlula ngokweqile. Ukudlula kokugeleza kabusha okuningi kuqongelela ingcindezi yokushisa edinga ukulawulwa kwenqubo okuthuthukisiwe.

Ukukhethwa Kokunqanyulwa Nokwethenjwa Komshini

Ukunqanyulwa okujwayelekile kudlulisa ngokuqondile ukucindezelwa komshini kusuka ku-PCB flexure kuya emizimbeni yobumba. Ukuqedwa okuvumelana nezimo kuhlanganisa izendlalelo ze-polymer ezithobelanayo phakathi kwe-ceramic kanye ne-metallization yangaphandle, edonsa ubunzima bemishini futhi kunciphisa ngokuphawulekayo ingozi yokuhluleka. Kuzinhlelo zokusebenza ezingaphansi kokudlidliza, ukuhamba ngebhayisikili elishisayo, noma ingcindezi yokusingatha, izindleko ezikhuphukayo zokuqedwa kwe-flex kunikeza ukuthuthukiswa kokuthembeka okukhulu.

I-Pad Design kanye ne-Solder Joint Formation

I-pad geometry efanele iqinisekisa ukwakheka okuhlangene kwe-solder kunciphisa amandla adluliselwa emizimbeni yezingxenye. Ukushisa okweqile kwe-solder noma i-asymmetric kudala "itshe lesikhumbuzo" lapho ukungezwani kwendawo kuphakamisa ingxenye eyodwa ngesikhathi sokugeleza kabusha. Ubukhulu bephedi kufanele buhambisane nobubanzi bokunqamula nokucaciswa okufanele. Ukulawulwa kwevolumu yokunamathisela kwe-solder kuvimbela ukuphakama kwe-fillet ngokweqile okwandisa ukugxila kwengcindezi.

Ceramic Capacitors Versus Alternative Technologies

Ama-capacitor e-electrolytic anikeza amandla aphezulu okusebenza kwe-volumetric kodwa ahlushwa ukuzwela kwe-polarity, i-ESR ephezulu, ukusebenza okulinganiselwe kwemvamisa ephezulu, kanye nokuphila okufushane. Ama-capacitor efilimu anikeza ukuphathwa kwe-pulse okuhle kakhulu kanye nezakhiwo zokuziphilisa kodwa athatha isikhala esiningi.

Ama-capacitor e-ceramic abusa izinhlelo zokusebenza ezidinga ukusebenza kwemvamisa ephezulu, usayizi omncane, ukuthembeka, kanye nokusebenza okungena-polarized. Inhlanganisela ye-ESR ephansi, ikhono lamanje le-ripple ephezulu, kanye nokuqina kwezinga lokushisa kwenza ama-MLCC abe ukukhetha okuzenzakalelayo kwamanethiwekhi okulethwa kwamandla, ukuhlukanisa ngesivinini esikhulu, kanye nezinhlelo zokusebenza ze-RF.

Isiphetho

Izinto Ezibalulekile Zokusetshenziswa Okuthembekile kwe-Ceramic Capacitor

Iminyaka yokuhlangenwe nakho kokukhiqiza ibonise ukuthi ukwehluleka okuningi kusuka ekuthembeleni kuphela emandleni okuzisholo. Imiphumela yokuchema kwe-DC, ukuncishiswa okunganele, kanye nokuzwela kokucindezeleka komshini kuseyimbangela eyinhloko yokungazinzi kumiklamo yokulethwa kwamandla.

Izinketho Zokuklama Ezivimbela Ukwehluleka

Izinqumo ezintathu zihlala zihlukanisa imiklamo ethembekile kuleyo eyinkinga:

• Ukusebenzisa okungenani u-50% wokunciphisa amandla kagesi
• Inxephezela ukulahlekelwa kokuchema kwe-DC kuma-dielectrics Ekilasi II
• Ukusebenzisa ukunqanyulwa okuguquguqukayo ezindaweni ezithandwa yingcindezi

Lezi zinyathelo zokuphepha ezingabizi kakhulu zivimbela izinkinga ezibiza kakhulu ukuzilungisa ensimini.

Imibono Yokukhiqiza Ethuthukisa Ukwethembeka

Izinqubo zethu zokugeleza kabusha zilungiselelwe ukugwema ukushaqeka kokushisa kuma-MLCC, futhi sivame ukusiza abaklami ngokuhlola ukubandlulula kwe-DC, ukucabangela ukucindezeleka, kanye nokubuyekezwa kwe-DFM . Ukuthola lezi zinkinga kusenesikhathi kugcina izinguquko zomklamo zingabizi futhi kugwema ukwakhiwa kabusha kwesigaba sokugcina.

Imibuzo Evame Ukubuzwa Mayelana Ne-Ceramic Capacitors

1. Kungani ama-capacitor e-ceramic ehluleka ekusebenzeni kwensimu?

Ingcindezi yemishini evela ku-PCB flexure idala ukwehluleka okuningi, njengoba imifantu ye-ceramic ephukayo ngaphansi kobunzima. Ukushaqeka okushisayo ngesikhathi sokuhlanganiswa, ukuncishiswa kwamandla kagesi anganele, kanye nezinkinga zedizayini yezinga lebhodi kuyasiza. Ukusebenzisa ukunqanyulwa okuguquguqukayo kanye nokwehliswa okufanele kuthuthukisa kakhulu ukwethembeka.

2. Yini ehlukanisa i-C0G kuma-capacitor e-ceramic ye-X7R?

I-C0G isebenzisa i-paraelectric dielectrics enikeza ukuzinza okukhethekile nge-coefficient encane yokushisa, i-voltage coefficient, kanye nokuguga kodwa amandla alinganiselwe. I-X7R isebenzisa izinto ezisetshenziswayo ze-ferroelectric ezifinyelela ukuminyana okuphezulu kwamandla ngokuzinza okwamukelekayo kodwa ibonisa imiphumela ephawulekayo yokuchema kwe-DC nokuguga.

3. Kungani i-ceramic capacitor capacitance yehla kuma-voltages okusebenza?

Izinto ze-Ferroelectric ku-Class II Ceramic capacitors zithola ukuqondana kwesizinda ngaphansi kwamasimu kagesi asetshenzisiwe, kunciphisa ukungaguquki kwe-dielectric njengoba i-voltage inyuka. Lo mphumela wokuchema we-DC unganciphisa amandla asebenzayo ngo-40-60% ku-voltage elinganiselwe, ikakhulukazi ku-high-capacitance, izingxenye zamandla aphansi.

4. Ingabe ama-capacitor e-ceramic angangena esikhundleni se-electrolytic capacitor ezintweni zamandla?

Ama-MLCC esimanje anamandla aphezulu aya ngokuya athatha indawo yama-electrolytic e-aluminium ezinhlelweni zamandla aphansi, ahlinzeka ngokusebenza okuphezulu okuphezulu nokuthembeka. Kodwa-ke, ukugcinwa kwamandla amaningi kuma-voltage aphezulu kusathanda ama-electrolytics ngenxa yezindleko nokusebenza kahle kwevolumu. Izindlela ezihlanganisiwe ngokuvamile zinikeza ukusebenza okuhle kakhulu.