Ukusuka kwithiyori ukuze uqhelisele: Sebenzisa i-Zener Deds yokukhusela ukuthembeka okuthembekileyo
2024-05-15 9321

I-Zener Deds, yaqulunqwa ekuqaleni kwenkulungwane yama-20 ngugqirha waseMelika uCorence Melvin Zenener emva kweYunivesithi yaseHarvard ngo-1930, yaphawula inkqubela phambili ebalulekileyo kwizinto ze-elektroniki.Eli nqaku lichaza iimpawu ezithile zezi ntlobo ze-hids, ezinamachaphaza anzima ukwenza imimandla egcweleyo enamabala anqabileyo apho kukho amasimi aqinileyo anombane.Xa le ntsimi ifikelela kwi-Diode ye-Diood's Vollage, enokuphelisa i-5V ye-5V ye-5V yophula umthetho, yomelele ngokwaneleyo ukuba ikhuphe i-elektroni kwimibhobho yabo yeatom, ivelisa umbane wangoku.Oku kwafunyanwa kwakufumanisa indlela entsha yokulawula imijikelezo ye-elektroniki, ukusukela kwi-1v ukuya kwi-250v ngaphezulu kwe-250v ngaphezulu kwe-10v, kunye neepesenti ezingama-20, ukuqhubela phambili ukubekwa koyilo lwe-elektroniki.

Ikhathalogu

Umzobo 1: IZener Diode kwiPCB yokwenyani

Yintoni le Joode?

I-Zener Dods isebenzisa ithuba leempawu zobuqhetseba kwi-PN Junction xa iphinde idlale indima enkulu ekugcineni uzinzo lweevolthi zazo zesiphelo xa ihlaziya kakhulu i-faces yabo.I-voltage ye-Diode kuyo yonke ihleli ihleli kwaye ayichaphazeleki yiyo nayiphi na i-ariat ye-ariat kwi-inftage yegalelo.Olu nzo luzinzo luluncedo kuYilo lwesekethe nge-Elektroniki ukulungiselela utshintsho kwi-voltage yesiphaluka enokubangela ukuba kuguqulwe amandla okanye ukuphazamiseka okufanayo.Ngokuhambisa ii-zerner ze-zerner kwiindawo ezinobuchule, abaqulunqi banokwenza ngokuzinza ngokuthembekileyo kwi-voltage kwimithwalo kwimithwalo, ekuqinisekiseni intsebenzo engaguqukiyo yezinto ze-elektroniki.Lo msebenzi ngqo kodwa unobunkunkqele uZenuyer Deds ubangela ukuba babe yinxalenye yokujikeleza kwale mihla, beququzelela ukulawulwa kwe-voltage kunye nokuphucula ukuthembakala kweenkqubo zombane.

Ukongeza, uphawu lombane lwe-lener diode yahlukile kwi-diode yesiqhelo.Kwimizobo esekwe kwisekethe, ii-Deds eziqhelekileyo, ezinjengee-Deods Sign okanye iiDoos ze-Dedos, zibonakaliswa ngeesimboli ezisemgangathweni ezahlukileyo ze-Zener Deds.

Umzobo 2: I-diode eqhelekileyo

Umzobo 3: IZener Diode

Xa kufikwa eZenuyer Dedoss yenzelwe ngokukodwa ukucinezelwa kwe-voltage ye-voltage (TV), ezi zihlala zidityaniswa kwisixhobo esinye.Esi sixhobo sendibaniselwano simelwe kwi-schematics kunye nesimboli eyahlukileyo eyahlula-hlula ngokusuka kwi-zerner eyodwa ye-zerner kunye nezinye iintlobo zeedials.Olu chweba olukhethekileyo lunceda ubugcisa kunye neenjineli khawuleza zichonge umsebenzi kunye neempawu ezisekelwana, ziqinisekisa uyilo oluchanekileyo lwesekethe kunye nokulungisa ingxaki.

Umzobo 4: Ukudityaniswa kwe-tv ye-tv ye-zerner ye-zerner

Ixabiso le-lerner eliqhelekileyo le-Dioode kunye neenombolo zenxalenye

Xa ukhetha i-lerner diode, kubalulekile ukukhetha enye kunye nenqanaba lemililo elihambelana neemfuno zesekethe yakho ukuqinisekisa ukuba imimiselo kunye nokhuseleko lwe-voltage.Nalu ukohlukana kwee-zerner ezisetyenziswayo ze-zerner, iinkqubo zabo eziqhelekileyo, kunye nenxalenye yenxalenye.

3.3V 1N5226

Eyona nto ifanelekileyo yokuzinzisa i-voltage kwi-3.3v isekethe le-Log, efumaneka kwii-microtrolles kunye neeprosesa zedijithali (i-DSP).Ezi dabi ziqinisekisa ukusebenza okungaguqukiyo ngokugcina i-voltage efanelekileyo yokusebenza.

5.1V 1N5231

Ihlala isetyenziswa kwi-5V yedijithali kunye nesekethe ye-Logic, le diode igqibelele kwi-TTL eqhelekileyo (i-fissictor-fissic) kunye ne-CMOS (i-COPIC-i-GEEMICE) isekethe.Inika ummiselo wezithuba ezinokuthenjwa, ukhusela izinto ezinobuthathaka ze-elektroniki kwi-gostage fasthlocietions.

Umzobo 5: 1N5231 IZener Diode Diode

6.8V 1N5235

Le diode ilungiselelwe iisekethe ezisebenza kancinci ngaphezulu kwe-5V, inika ukhuseleko kwizinzwa ezongezelelweyo okanye i-Logic Exic Englic (isekethe ehlanganisiweyo) efuna i-buffer kwi-voltage ngokukhuselekileyo nangokufanelekileyo.

9.1V 1N5239

Ilungisa le-9V ye-9V-yebhetri enebhetri, ezinjengeemodyuli eziphathwayo okanye iimodyuli ezingenazingcingo.Iqinisekisa ukuba ezi zixhobo zifumana ukuhanjiswa kwamandla okuzinzileyo, ukuphucula ukusebenza nokunyaniseka.

11.0v 1N5241

Ilungele iziphaluka ezifuna i-voltage ngaphezulu amanqanaba asemgangathweni weLog, kubandakanya nesekethe ethile ye-bielog.Ikwabonelela ngokhuseleko ngaphezulu kweenkqubo ze-12v, esenza ukuba kubekho ngeendlela zokuhlala ngoluhlu lwezicelo.

13.0v 1N5243

Ihlala isetyenziswa kwiinkqubo ze-12V zombane, ngakumbi kwii-elektroniki ze-automa okanye iinkqubo zokulawula imizi.Inika ukhuseleko olugqithisileyo olunamandla, ukukhusela ngokuchasene ne-voltage enokubakho i-voltage enokonakalisa inkqubo.

I-15.0v 1N5245

Le diode isetyenziswa apho uzinzo lwe-15v kunyanzelekile, njengokubonelela ngamandla kwi-Amplifiers ye-Amplifiifissifies okanye njengokhuseleko olusisiseko kwiinkqubo ze-elektroniki ezisebenzisa i-elektroniki.

UMGAQO-NKQUBO WEZenur Dioode

I-Zener Diode isebenza ngemigaqo eyahlukileyo kwi-seconder ye-semicondcuctor ye-semiconductor ngenxa yesakhiwo sayo esahlukileyo, esibonisa i-doping enzima.Le ndlela yokuhamba iyeyona mimandla inomgangatho ophelileyo, esenza umhlaba wombane ngokuthelekisa xa kuthelekiswa ne-Deals eziqhelekileyo.

Xa iqhithi ye-Diode ibuyela umva, indawo yombane eyomeleleyo kwindawo yayo emxinwa inokuvuselela ngokuthe ngqo ii-elektroni kwibhendi ethile eyaziwa njenge-voltage ekhethekileyo ye-Zener.Lo mbulelo uquhlule ukhokelela kuZenuner Ukohlukana, i-phenomeno yahlukile kwi-Avalanche Stripdown ebonakalayo ebonakalayo kwii-Deods ezincinci kakhulu.Kwi-Avalanche Stripdown, Umda ophelayo Wandisa phantsi kweHeas Reas de i-voltage gall iphakamileyo iphezulu ngokwaneleyo ukuba ixhase abathwali abaninzi.Aba bathwali bafumana amandla aneleyo okungqubana nge-lattice ion, ngokukhulula ii-elektroni ezingaphezulu kwaye ziseke i-chain proning ekwandekayo.

Umzobo 6: IZener Diode phambili

Umzobo 7: Umgaqo-siseko kaZenur Dioode wesekethe wokhuseleko

UZenur waqhekeza, nangona ikakhulu, ngokuyintloko, ngokuyintloko usuka kwi-subneum tunnel obangelwe yintsimi yombane, eyenzeka kwangaphambi kokuba imeko yesahlulo se-Avalanche siyafezekiswa.Lo mahluko ubaluleke kakhulu uvumela iZenur Dioone ukuba igcine i-voltage ethe tyaba ngaphaya kwamanqanaba akhoyo ngoku, isimilo esiphambili esiyilondolozwa ngesiphatho se-voltage.

Umzobo 8: IZener Diode Zener kunye ne-Avalanche Sprawn Dimar

Umzobo 9: Umzobo we-Schematic we-Avalanche Stripdown yeZenur Dioode

Izicelo ezenziwayo, ii-zeroner ze-zehrue zenzelwe ukusebenzisa uZenur ukuqhekeka okanye ukophula umthetho, kuxhomekeke kwi-Zener yabo yeZenur.Ii-Deds nge-lerner esezantsi, zihlala phantsi kwe-6V, ngokuyintloko iqhiphuke iqhekeza, ibenza balungele izicelo ezifuna ukuzinza kwe-voltage kwi-voltagege.Kwelinye icala, ii-Deds nge-lerner ephezulu ye-lerner, ngaphezulu kwe-6v, kunokwenzeka ukuba ifumane ukophula i-avalanche, elungele ukuphatha imilinganiselo ye-voltage ephezulu.Olu bhetyebhetye luvumela i-zerner i-good iqashwe kwi-spectrium ebanzi yezi nkqubo ezibanzi ze-elektroniki, iqinisekisa ukulawulwa kwe-voltage ethembekileyo kunye nokuphucula ukulungelelaniswa kweziphaluka ze-elektroniki.

Umahluko phakathi kweZenur Diode kunye neDiode ye-Sign

I-Zener Dods kunye neeDods zeSignali zizixhobo ze-semicondcuctor ezisetyenziswa kwisekethe ze-elektroniki, kodwa zahlukile emsebenzini kunye nesakhiwo, ngakumbi xa sitshintshe umva.

Umzobo we-10: IZener Diode vs.Isiginali Diode

I-Zener Dods-- Uzinzo lwe-voltage kunye nokukhuselwa

Ezi zixhobo zixhaswa ngokuthe ngqo ukuphatha iimeko eziguqukayo kwi-bias ngokusebenzisa ixesha elinzima lezixhobo ze-semiconductor.Eli nqanaba lemini eliphezulu linciphisa ububanzi be-PN Junction, ukuqinisa ibala lombane ngaphakathi kommandla ophelileyo.Ngenxa yoko, xa i-voltage yokubuyela umva ifikelela kwi-Zener ye-Zener Spreed (VZ), iZenur Diode ivumela ukuba kuhambe ngokuEli nqaku libalulekile kwizicelo ezinje ngemigaqo yokumiselwa kwe-voltage kunye nokukhuselwa ngaphezulu, apho kuhlala khona ivolli elizinzileyo okanye ukukhusela izinto ezibuthathaka kuyimfuneko.Umzekelo, kwimeko yokumiselwa kwe-voltage, xa i-voltage idlula i-Zener Wight, iZenur Doode isebenza, iqhuba i-voltage ukuthintela ukuguquguquka okunokuyonakalisa izinto ze-elektroniki.

I-Desid Deds - Ukulungiswa kwesibonakaliso ngokufanelekileyo kunye nokulungiswa

Ngokwahlukileyo, iiDoode zeSigineli zenzelwe ukuqhubela phambili ngokusebenzayo ngokukuko okuncinci ukuvuza kwakhona.Ngokwesiqhelo, bavumela kancinci nje ukuhamba xa i-chair-repued-idla ngokufika nje kwii-micromperes-ezingafunekiyo kwizicelo ezininzi.Nangona kunjalo, ezi ntlobo ze-DUDS ziyonakaliswa ukuba i-voltage yokubuyela umva ingaphezulu kwe-voltage yabo yokuqhekeka, ekhokelela kwimijikelezo evulekileyo okanye emifutshane.Izicelo zazo eziphambili zibandakanya umqondiso, ukutshintshela, kunye nokulungiswa kwamandla ombane, apho kunyanzeliswa khona ukucuthwa kwangaphambili, kwaye kuguqulwe iimfuno zangoku ezinokuncitshiswa ukukhusela ukuphazamiseka.

Ngelixa zombini ii-zerner kunye ne-Dional Deod Vumela imvume yangoku ukusuka kwi-ACODE ukuya kwi-Canode xa idluliselwe phambili, indlela abahamba ngayo i-ofisi yabo yokuziphatha.I-Zener Deds ingenamandla kwisekethe iphi i-voltage apho i-voltage kufuneka ilawulwe okanye apho izakhiwo zifuna ukhuseleko kwi-Voltage Poikes.Amandla abo okuziphatha abuyiselweyo ngaphandle komonakalo owahlukileyo kwaye kubalulekile kwindima ezikhuselayo.Ngokuchaseneyo, iiDoode zeDiods Excel kwiZicelo ezifuna ukuqhubela phambili ngokusebenzayo ngokudibeneyo kunye ne-boot.

Ukukhetha phakathi kweZenuder Diode kunye ne-Diode yeDiode ye-Dichos kwiimfuno ezithile zokuzivocavoca sesicelo kunye nokukhusela ukuphatha ngesandla, kunye nokulungiswa kwelokugqibela.Uhlobo ngalunye lwe-diode lubonelela ngezibonelelo ezilungiselelwe ukuba zilungele iindima ezahlukeneyo zokuyilwa kwesekethe kunye nokuphunyezwa.

Izibonelelo kunye nokungalungisi kukaZenur Overvliltity School

Izibonelelo

Okokuqala, isekethe yokhuselo lwe-letronere ogqithiselweyo lichanekile ngokuthe ngqo, eliquka ikakhulu i-zerner diode ibharithi yomthi wokurhoxisa.Lo mthetho ulungeleleneyo uququzelela ukudityaniswa okulungele ukuseta kwee-elektroniki, kwenza ukuba ifikeleleke nakwezona zixhobo zisisiseko zobugcisa.Kulula ukusigcina ngenxa yezinto ezimbalwa ezichaphazelekayo.

Okulandelayo, usebenzisa i-Zener Dedos yokukhuselwa ngaphezulu koqoqosho kuluncedo kwezoqoqosho.Zombini ii-quods ngokwazo kunye nezinto ezinxulumene nazo ziyabiza kakhulu kwaye zifumaneka ngokubanzi.Oku kwenza ukuba kungenela i-Zener isekethe inketho enomdla kummiselo osebenzayo we-voltage ngaphandle kotyalo mali olubalulekileyo lwemali.

Yintoni engakumbi, ii-duod zenzelwe ukuba zinikezele iziphumo ezizinzileyo kwi-voltage yazo yokwahlukana.Olu nzo luzinzo lubalulekile ekunciphiseni i-voltage ukuya kwinqanaba elikhuselekileyo, ukuqinisekisa ukhuseleko oluthembekileyo kuthelekiswa nee-voltage spikes ezinokuyonakalisa izinto ezibuthathaka zesekethe.

Ukungancedi

Inqaku elinye elibalulekileyo kukungafihlikeka kwesekethe ukuqhuba amandla amaninzi xa utyano.Njengoko i-zerner diode isebenza ukuba ikhuphe i-voltage, ivumela okwangoku ukuba idlule, evelisa ubushushu ngenxa yokumelana.Olu bushushu luchitha amandla, lucela umngeni kwizicelo ezinolwazi lwamandla.

Emva koko, ubushushu obuveliswa nguZenur Dioode xa ukuqhuba kunokukhokelela kumaqondo obushushu aphezulu kwisekethe.Ukumiliselwa kwamanyathelo ongezelelweyo okupholisa, njengokuhamba kobushushu okanye abalandeli, kunokuba yimfuneko ukuchitha ubushushu kwaye kugcinwe amaqondo obushushu akhuselekileyo.

Nangona kunjalo, ngelixa i-zerner i-duds egqwesileyo kumgaqo-nkqubo wevolthi, abanikeli ngokugqithisileyo.Ukukhusela imithetho eninzi enokuthi yenzeke ngexesha iimeko ze-lener, kuhlala kubalulekile ukudibanisa ezinye izinto zokukhusela kunye nezinye izinto zokukhusela ezifana ne-fus okanye ezophula isephesheya, ezinokubangela uyilo lwesekelo kwaye longeze kwiindleko.

Umsebenzi kaZenur Diode

Umsebenzi ophambili wesekethe yokhuselo olungaphezulu kukuqhubeka nokubeka esweni i-voltage yesiphaluka kwaye uphendule ngokukhawuleza ukuba idlula umqobo wokhuseleko, ngaloo ndlela kuthintela umonakalo onokubakho kwizinto ze-elektroniki.I-Zener Dods idlala le ndima ngokunjalo, njengoko zinokugcina ulungelelwaniso oluthile kwi-voltage eqhelekileyo ngelixa ubonakalisa ukunganyangeki kweemeko eziphezulu zokusebenza phantsi kwesekethe efanelekileyo.

Okokuqala, chonga i-volting eqhelekileyo yokusebenza kunye nomgaqo we-voresage onokonakalisa izinto zesekethe.Khetha i-lener diode nge-lerner gontage kancinci kancinci kancinci kwi-voltage eqhelekileyo esebenzayo kodwa ngaphantsi komgaqo we-vortage.Oku kuseta kuqinisekisa ukuba i-Diode iqinisekisa ukuba i-Doode isebenza ukwenza umbane kuphela xa i-voltage idlula kuluhlu oluqhelekileyo, ngaloo ndlela lukhuselekileyo ngokuchasene ne-overvolstage.

Okwesibini, dibanisa i-zerner ekhethiweyo kwisekethe ngokuhambelana necandelo lenzelwe ukukhusela.Ukubekwa phambili kuyadingeka njengoko ivumela i-diode ukuba inyanzelise i-voltage engaphezulu kwicandelo elibuthathaka.Yongeza umqobo okuphezulu kwi-rissing uthotho malunga ne-zerner diode.Injongo yalo mhlaseli kukulawula ukuhamba kwe-Diode xa isebenza, ukuthintela umonakalo ngenxa yesekethe kwaye kuqinisekiswe phantsi kweemeko eziphezulu.

Umzekelo wokuSebenza

Cinga ngesekethe eyenzelwe ukuphuculwa kwemilinganiselo yobungqina yengxolo.Apha, i-lerner diode ibekwe emva koncedo lwamandla engxolo ephantsi, kunye nokuqhawuka kwe-voltage ngaphezulu kwe-voltage eqhelekileyo yokuphatha ukungagungqi.I-Zener Dioode isebenza i-arsing spikes spikes kwaye uzinzise i-voltage yemveliso kwiziphaluka ezilandelayo.Isisele esibaliwe ngononophelo esibaliwe ngenyameko sisetyenziselwa ukukhusela iZenur Dioode phantsi kweemeko ezahlukeneyo zomthwalo kwaye kuqinisekiswe ukuvela kwe-voltage.

Ukuphatha imiqondiso yengxolo, kubandakanya ukuvisisa i-DC ye-DC ukucoca izinto ze-DC kwaye uvumele kuphela umqondiso wengxolo ye-AC, uqinisekisa ukuba ikhululekile kuhambo lwe-DC.Umqondiso wengxolo emva koko wakhubekiswa usebenzisa i-Amplifier ePhakamileyo yengxolo kwaye kusenokwenzeka ukuba ngokusebenzisa umkhuhlane wamanqanaba amaninzi ukomeleza umqondiso ngaphandle kokutshintsha ingqibelelo.Olu phawu ludluliselwa kwi-bandpass icebo lokucoca phakathi kwe-1khz kunye ne-3KHZ ukwahlula kwaye ilingane kuphela ngaphakathi kuluhlu lwe-frequency kuphela, ngaloo ndlela iqinisekisa ukubonwa kwethagethi kunye nomlinganiso.

Okokugqibela, umqondiso ulinganiswa usebenzisa i-voltmeter eyinyani ye-RMs, ebonelela ngokuchanekileyo kunye nokuzinza.Ngokuzikhetha ngononophelo i-Zener Voltsege kwaye uqwalasele umjikelo wokhuseleko lwangoku, i-zerner Dioder Dissoltity ye-Deversolting ibonelela ngesisombululo esiphakamileyo semicimbi ye-elektroniki esivela kwimisitho ye-elektroniki esivela kwimicimbi ye-elektroniki, ngaloo ndlela eqinisekisa ukusebenza kwezixhobo ze-elektroniki.

Umzobo 11: IZener Diode esetyenziswa kwisekethe yengxolo yengxolo

Ungakukhusela njani isekethe ukusuka ngaphezulu?

Ukukhusela izinto ze-elektroniki ezibuthathaka, njengemicrocontroller, kwi-Vight egqithisileyo ibalulekile ekuyilweni kwesekethe.Ngokwesiqhelo, i-hicrocontroller i / o pins ine-vins ephezulu yevolthi-ihlala i-5v.Ukugqitha kulo mngcipheko ukonakalisa umngcipheko we-microcontroller.Indlela esebenzayo yokukhusela la macandelo ibandakanya ukwakha isiphaluka se-Overvolticage (I-OVP) esebenzisa iZener Deds.

Kwisekethe apho i-voltage esebenzayo ikufuphi 5v, i-lerner diode enevoli yokuqhekeka kancinane, njenge-5.1v, ilungile.Oku kuqinisekisa ukuba phantsi kweemeko eziqhelekileyo (i-voltages engezantsi 5.1v), iZenur Diode ihlala ingasebenzi kwaye ayiphazamisi umsebenzi wesiphaluka.Xa uvolopho lwegalelo lingaphezulu kwe-5.1V, iZenur Doode isebenza, iqhuba i-voltage ukuya kuthi ga kwi-5.1v ukuthintela nawuphi na umonakalo kwiziseko zesekethe.

Ukuqinisekisa uyilo, ukulinganisa isekethe ye-OVP usebenzisa isoftware ye-spice, njenge-cadence Pspice.Misela ukulinganisa kunye nomthombo wevoliKule meko, thatha i-6.8v zerner diode (E.G., 1N4099) yovavanyo.Ukuba i-V1's Votage idlula i-6.8v, i-vollay kufuneka ibonise ukuba i-Voltage yemveliso incitshiswe ngokufanelekileyo kwi-6.8v okanye ngaphantsi, iqinisekisa amandla okukhusela kukaDioode.

Ngevolimu yegalelo ye-6V, iziphumo kufuneka zihlale zizinzile kwaye zisondele kwigalelo, zibonisa ukusebenza kwesiqhelo.Kwi-6.8v, ukukhutshwa kufuneka kulungelelaniswe kancinci ngezantsi kwe-Zener yeZenur, kubonisa ukubandakanyeka kukaDioode kunye nokuzinza kwe-voltage.Ekwandeni igalelo kwi-7.5V (imeko engaphezulu), iziphumo kufuneka zihlale ziphantsi kwegalelo, malunga ne-6.883v, ebonisa ukukhuselwa ngokufanelekileyo kwi-Overvolstage.Kuxhomekeka kwiimfuno ezithile zesekethe, ii-zerner ze-vods ezahlukeneyo voltages of Rubstages njenge-3.3v, 5.1v, 9.1v, okanye i-10.2.2v inokunyulwa.Olu bhetyebhetye luvumela abaqululi ukuba balungelelanise i-overvoltical ukhuseleko kwiimfuno ezichanekileyo zesicelo, ukuqinisekisa ukhuseleko olululo.

Ngokukhetha ngononophelo i-lerner efanelekileyo kwaye isebenzisa ngokuchanekileyo indlela yokuziphatha kwayo phantsi kweemeko ezahlukeneyo ze-voltage, abaqulunqi banokuqinisekisa ukhuseleko olungaphezulu lwezinto eziphezulu.Le ndlela ayithinteli ukonakala kuphela kwinxalenye yesekethe etyumkileyo kodwa ikwaphucula ukuthembeka kunye nokusebenza kwezixhobo ze-elektroniki.

Umzobo we-12: IZener Diode Diagram yeSekeji yomzobo

Ungayikhetha njani i-lener yokhuseleko lwe-Overvoltige efanelekileyo?

Ukukhetha i-zerner esebenzayo ye-diode yokhuseleko olungaphezulu lufuna amanyathelo athile anqabileyo ekuqinisekiseni ukuba isetyhula isebenza ngokukhuselekileyo nangokuchanekileyo zonke iimeko.

Chonga i-lerner ye-zerner efanelekileyo

Chonga owona voli uqinile ukuba isiphaluka sifanele siziphathe.Umzekelo, ukuba uyilo luchaza ukuba i-voltage ayifanele idlule kwi-6.8v, i-lerner diode enemibhobho ye-6.8v iya kuba ilungile.

Ukuba umdlalo ngqo we-zerner ofunekayo akafumaneki, khetha ixabiso eliphezulu elikufutshane.Umzekelo, ukukhusela ngokuchasene ne-Overvolstages phezulu njenge-7V, i-6.8v ye-148v Diode ilunge kakhulu, ibeka ngokufanelekileyo i-voltage ngaphantsi komda ongezantsi.

Bala umthwalo kunye ne-bias okwangoku

Qala ngokubala okwangoku oya kuhamba umthwalo;Masithi yi-50MA.Yongeza i-bias ikhowudi efunekayo kwi-Zenur Diooner Diood Doode kulo mfanekiso.Ukuba iZenur Diode ifuna ukuba i-bias yangoku ye-10MA, imfuneko yangoku iyonke iya kuthi ibe yi-60MA

Chonga ireyithingi yamandla kwiZenur Dioode

Bala ukungasebenzi kwamandla usebenzisa i-zerner ye-zener kunye neyonke.Ngombhobho we-6.8v kunye ne-60MA iyonke ye-60MA, ukubekwa kwamandla kuya kubalwa njenge-6.8v x 0.00a = 0.408 iitshini.Khetha i-lerner diode enemilinganiselo yamandla ephezulu kunexabiso elibaliweyo lokuqinisekisa ukuthembeka nokhuseleko.I-diode enenqanaba lama-500MW iya kubonelela ngomda obaneleyo.

Shala ixabiso lomthi womhlaba wangoku

Qinisekisa ukuba eyona voltage ephezulu isekethe, yitsho 13v.Bala i-voltage hla ngaphesheya komhlaso, nto leyo umahluko phakathi kwe-voltage yomthombo kunye ne-Lener Wight: 13v - 6.8v = 6.2v = 6.2v = 6.2v = 6.2v = 6.2v.Ukusebenzisa umthetho ka-Ohm, ubambe ixabiso lokuchasana ne-InsulusUngayijikeleza le nto kwixabiso le-resistor eliqhelekileyo njenge-100ω ngeenjongo ezisebenzayo.

Indlela yokufunyanwa kukaZewer Diode

Ukuchonga i-polacy ye-zerner ye-zerner, umntu unokuqala ngokuhlola imbonakalo yabo.I-zecaner-i-zecaner-i-itroner ene-piod isebenza rhoqo kwi-polacy ngokulinganayo kobuso babo: Isiphelo esisicaba esibonisa ukuba isiphelo se-semicode sibonisa i-electrode engalunganga.Nge-zecaner yeplastiki yeplastiki, jonga uphawu lombala kwi-terminal engalunganga, ehambisa isikhokelo esibonakalayo esikhawulezayo.

Kwindlela echanekileyo, esebenzisa iseti yovavanyo lovavanyo lweDiode okanye indawo yokuxhathisa ephantsi, enje nge-rx1K, iyasebenza.Qhagamshela i-Multeter Pointer kwiDiode-enye kwi-terminal nganye.Qaphela ukuxhathiswa kubonisiwe, emva koko utshintsha i-pickes kwaye ulinganise kwakhona.Ukuseta okubonisa ukuxhathisa okuphantsi kuya kuba nefuthe elimnyama kunye nebomvu kwi-terminal engalunganga.Ukuchasana okuphezulu okanye kakhulu kakhulu kuwo omabini imilinganiselo kunokubonisa ukuba i-Diode yonakele kwaye ayisebenzi ngokuchanekileyo.

Umzobo we-13: IZener Deds

Xa uvelisa ixabiso le-voltage yexabiso le-lerner diode, usebenzisa i-DC yamandla e-DC eqhubekayo icetyiswa.I-Zerner Dods ityalwe ngaphantsi kwe-13v, yeka amandla kwi-15v.Qhagamshela i-Diode ngothotho lwe-1.5Kω-rissing ngxaki--ukunciphisa umda phakathi kwe-cahode kunye nemveliso elungileyo yokuhambisa amandla, kunye ne-anode kwiziphumo ezimbi.Ukulinganisa i-voltage kwi-diode ye-diode usebenzisa i-multery;Ixabiso elibonisiweyo liya kuba yixabiso le-Dioom Reviet ye-Dioo.

Umzobo we-14: I-lerner eqhelekileyo ye-diode

I-Zerner Deds ngemigaqo yokuBekwa kweMigaqo ngaphezulu kwe-15V, yonyusa imveliso yokuhambisa amandla ukuya kwi-20v ukuqinisekisa umlinganiso ochanekileyo.Alternatively, for high-voltage Zener diodes, a megohmmeter capable of delivering up to 1000V can be used.Qhagamshela i-megohmmedmed ye-megohmmedmed kwi-diode ye-Diode ye-Diode kwaye ikhokelela kwi-terminal elungileyo.Jikelezisa isiphatho se-megohmedmedmer kwisantya esisebenzayo kwaye ufunde i-voltage kwi-Diode kwi-Diode isebenzisa i-Multeter ide ibenzi rhoqo kwi-Dioom Reviet Voltage.

Ukuba ukuguquguquka okanye ukungazinzi kwixabiso le-voltage kugcinwe ngexesha lolu vavanyo, inokubonisa ukuba i-Diode iqhuba ngokungafanelekanga okanye yonakele, inyanzelisa ukuba ithathelwe indawo yayo.

I-Zener Diode yephakheji yephakheji

Umzobo we-15: IZener Diode Dimensions

Xa usebenza ne-Zener Deds, umntu kufuneka aqhelane nemilinganiselo yabo yomzimba kunye nokupakisha.Imilinganiselo yezi dabi idla ngokunikwa i-intshi, ilandela imigangatho ethile yokwenza imveliso kunye nezinto ozikhethayo zoMveliso, nangona imilinganiselo yemilimeter iyafumaneka kwireferensi.

Iinkcukacha zoqhagamshelwano

Iphakheji yangaphandle yephakheji ye-zeoner ye-Dione, ebandakanya zombini ububanzi (BD) kunye nobude (bl), zinokulungiswa ngaphakathi kwemida ethile.Olu buqululi luvumela ngokufanelekileyo ngokwesiko kwizicelo ezahlukeneyo, ngakumbi xa ulawulo lokuthengisa luyinkxalabo.Ukuba iphakheji ye-Diode Diode ibandakanya ukuchitheka kwe-thermal, isetyenziselwe ukupasa ubushushu ukusuka kwi-Diode, le nto ithathelwa ingqalelo kwinani lonke iphakheji.Nangona kunjalo, ubukhulu obuqhelekileyo obuncinci obuncinci obuyisiseko (BD) sukufaka isicelo xa i-thermal paste iyabandakanyeka.Umlinganiselo wobude (i-BL) kufuneka iqokelele yonke iphakheji, i-thermal paste iqukwa.

I-Diameter v ariat ion

I-Zener Dedos, ububanzi bezikhonkwane zingahluka ngaphakathi kwiphakheji.Le v ariat ion ihlakulela naziphi na izitenxo kwiPINE okanye ukuphambuka kumacandelo angawaqokeleli okuhlasela i-thermal.Izinto ezifana nokubetheka komgangatho okanye ukuvelisa ezincinci okune-Anomalies kunokukhokelela kwiyantlukwano ngobungakanani bePIN, ebalulekileyo ekufuneka uyiqwalasele ngexesha loyilo nakwiinkqubo zendibano.

Ukumelwa kwesicaka

Ukuqinisekisa ukucaca kumaxwebhu kunye nokungqinelana koyilo lwezobunjineli, ubungakanani beedayala kwimizobo kunye neenkcazo ze-Zener Deds zinamathela kwimigangatho ye-Asme y14.5m.Lo mgangatho ubeka isimboli "φx" ukuze umele i-Diameter, ukhuthaze ukufana nokuchaneka kwemizobo yobunjineli kwaye unceda ukugcina inguqulelo ekwenzeni imigaqo-nkqubo.

Ukuqukumbela

Ukuphuhliswa kwe-Zener Deds kuye kwenza ukuba babe nokungabinakho ukubandakanyeka kwi-elektroniki yanamhlanje, ngakumbi kumgaqo-nkqubo we-voltage kunye nokhuseleko olungaphezulu.Iipropathi zabo ezizodwa ze-zevale kunye ne-Avalanche bobuqhetseba zenza ukuba bakwazi ukuphatha i-goltage fasthloging ngokufanelekileyo.Ukuthelekisa izakhiwo zabo kunye nokusebenza kwezinto ezinemiqondiso yesiginali kusenza nzulu ukuqonda kwethu izicelo zabo ezithile kuYilo lweSekethe.Nangona kunjalo, ngelixa i-zerner i-ducces ibonelela ngokhuseleko, ukhuseleko lweendleko, ikwasondeza imiceli mngeni efana nokusetyenziswa kwamandla aphezulu kunye nemfuno yolawulo olusebenzayo lwe-thermal.Le micimbi ibalaselisa imfuno yokuqhubeka kwento entsha kunye nolungelelwaniso kwindawo yoyilo lwesekethe kwi-elektroniki ukuze isebenze ngokupheleleyo kwe-zerner.

Imibuzo ebuzwa rhoqo [i-FAQ]

1. Yintoni i-lerner diode esetyenziselwa?

I-Dioner Diode ngokuyintloko isetyenziselwa ukumiselwa kwe-voltage, kuqinisekisa ukuba nangona i-voltage ye-voltage iyafakwa, i-voltage ye-lener diode ihlala izinzile.Isetyenziselwa ukhuseleko olungaphezulu, ukukhusela i-elektroniki ebuthathaka kwi-voltage spikes.

2. Yintoni ukukhuselwa ngaphezulu koKhuseleko?

Ukukhuselwa ngaphezulu kwenqanaba lendlela yokukhusela isekethe ethintela ivolthi egqithisileyo kwizinto ezikhawulezayo.Iqinisekisa ukuba amanqanaba e-voltage ahlala kwimida ekhuselekileyo yamacandelo ephaluka.

3. Zeziphi iisekethe zokhuselo olungaphezulu?

Iisekethe zoKhuseleko olungaphezulu zenzelwe ukuthintela ivolthi egqithisileyo ekufikeleleni kunye nezinto ezonakalisayo.Ezi sekethe ziqhele ukusebenzisa izinto ezinje nge-zerner i-duds, iinguqulelo, okanye i-voltage yevolthi ye-voltage (i-TV) ye-volsing (i-TV) i-biodes ye-volthi yokuqhwaba imigangatho ekhuselekileyo ngexesha le-voltage.

4. Nguwuphi umahluko phakathi kweDiode eqhelekileyo kunye ne-lerner diode?

Umahluko ophambili ulele ekuphathweni kwe-voltage ganga.Ibhloko eqhelekileyo ye-Dods okwangoku kwicala lokubuyela umva kwaye lonakaliswa ukuba i-voltage yokubuyela umva ingaphezulu komda othile.Ngokwahlukileyo, i-zerner i-ledos yenzelwe ukungavisisani kuphela ngokubuyileyo kodwa neyokuziphatha ngokukhuselekileyo xa i-voltage eguqukayo idlula kwi-voltage emiselweyo, eyaziwa ngokuba yi-Zenur Voltage, ngaphandle komonakalo.

5. Yintoni imigaqo-nkqubo yokusebenza kaZenuode?

I-lerner diode isebenza ngokuvumela okwangoku ukuba ihambe kwicala lokubuyela umva xa i-voltage idlula kwi-Zener yayo.Oku kungenxa ye-p-n i-p-n junction ye-P-n Juny edale ingingqi emxinwa.Amasimi aphezulu ombane kule cunction Vumela iZenur Dioone ukuba iqhubeke ngokungathi yonakaliswe, emva kokugcina uzinzo lwamanxuwa.Le ndawo isetyenziselwa ukumiselwa kwe-voltage kunye nokhuselo kwiziphaluka.