Likarolo tsa PCB SMD le Mokhoa oa ho li Khetholla

Lefats'eng le ntseng le tsoela pele la lisebelisoa tsa elektronike, lisebelisoa tsa holim'a metsi (SMDs) li fetohile karolo ea bohlokoa ea liboto tsa potoloho ea morao-rao le lisebelisoa tsa elektronike. Likarolo tsena tse fokolang empa li le matla li fana ka melemo e mengata, ho kenyelletsa le meralo e bolokang sebaka, ts'ebetso e ntlafalitsoeng, le ts'epo e ntlafalitsoeng. Hore na o motho ea ratang ho itlosa bolutu, moenjiniere, kapa setsebi, ho utloisisa mefuta e fapaneng ea likarolo tsa SMD le mokhoa oa ho li tseba ho bohlokoa. Tataisong ena e felletseng, re tla shebana le sebaka se khahlang sa li-SMD, re hlahlobe likarolo tsa tsona, litšoaneleho le mekhoa ea boitsebahatso.

Likarolo tsa Passive SMD

Likarolo tsa Passive SMD ke lipere tsa lipotoloho tsa elektroniki, tse etsang mesebetsi ea tsona ntle le tlhoko ea matla a kantle kapa tlhahiso ea matšoao. Likarolo tsena tse sa ithorisang empa tsa bohlokoa li bapala karolo ea bohlokoa lits'ebetsong tse fapaneng, ho tloha ho likhokahano tse se nang mohala ho isa ho tsa elektronike tsa likoloi, moo ho tšepahala ho leng bohlokoa haholo.

Surface Mount Resistors

1. Thin Film Surface Mount Resistors Thin film surface mount resistors ke likarolo tsa sebopeho se bataletseng tse ka beoang ka kotloloho libotong tsa potoloho. Lihanyetsi tsena tse kopaneng li etselitsoe ho fana ka litekanyetso tsa ho hanyetsa ho tloha ho 0Ω ho isa ho 5Ω, hangata li sebelisoa ka letoto le likarolo tse ling kapa li-circuits. Ho hanyetsa ha bona ho tlase le boholo ba compact li etsa hore li tšoanelehe bakeng sa lits'ebetso tse fapaneng.
2. Thick Film Surface Mount Resistors Thick film surface mount resistors ba na le sebopeho se ts'oanang ho balekane ba bona ba lifilimi tse tšesaane empa ba fana ka boleng bo phahameng ba khanyetso. Lihanyetsi tsena li sebelisoa hangata ha ho hlokahala khanyetso e kholo, e leng se etsang hore e be likarolo tse fapaneng tsa moralo oa elektroniki.
3. Li-Network tsa Surface Mount Resistor Marang-rang a Surface mount resistor a na le chip e nang le lihanyetsi tse ngata tse hokahaneng ka letoto. Marang-rang ana a sebelisoa ha litekanyetso tse phahameng tsa ho hanyetsa li hlokahala ho feta seo mohanyetsi a le mong a ka fanang ka sona. Ka ho kopanya lihanyetsi tse ngata ka har'a sephutheloana se le seng, marang-rang a hanyetsang a fana ka tharollo ea ho boloka sebaka ha a ntse a fana ka khanyetso e lakatsehang.

Surface Mount Capacitors

Li-capacitor ke likarolo tsa bohlokoa lipotolohong tsa elektroniki, tse ikarabellang bakeng sa ho boloka le ho lokolla matla a motlakase. Li-capacitor tsa SMD li tla ka mefuta e fapaneng, ho kenyeletsoa mefuta ea ceramic le electrolytic, e 'ngoe le e' ngoe e na le thepa le lits'ebetso tse ikhethang.

1. Ceramic SMD Capacitors Li-capacitor tsa Ceramic SMD li sebelisoa haholo bakeng sa botsitso ba tsona, ts'epahalo le boholo ba compact. Li-capacitor tsena li sebelisa lisebelisoa tsa ceramic joalo ka dielectric tsa tsona, li etsa hore li tšoanelehe bakeng sa ts'ebeliso ea maqhubu a holimo le maemo a thata a tikoloho.
2. Electrolytic SMD Capacitors Li-capacitor tsa Electrolytic SMD li tsebahala ka bokhoni ba tsona ba ho boloka litefiso tse ngata tsa motlakase, e leng se etsang hore e be tse loketseng lits'ebetso tse hlokang boleng bo phahameng ba matla. Li-capacitor tsena hangata li na le thepa ea dielectric ea electrolytic, e fanang ka bokhoni bo phahameng ba ho boloka matla ha bo bapisoa le bo-mphato ba bona ba ceramic.

Likarolo tsa SMT Tubular Passive

Metal Electrode Leadless Faces (MELFs) ke likaroloana tsa SMD tse nang le sebopeho sa cylindrical tse sebelisetsoang li-capacitor, diode, jumpers, tantalum le resistors. Sebopeho sa bona se ikhethang se lumella ho sebelisoa ha sebaka ka mokhoa o nepahetseng libotong tsa potoloho, ha tlhaho ea bona e theko e tlaase le mebala ea mebala e etsa hore ho be bonolo ho e khetholla le ho sebetsa le eona.

Likarolo tse sebetsang tsa SMD

Likarolo tse sebetsang tsa SMD ke li-workhorses tse matla tsa li-circuits tsa elektroniki, tse sebetsang joalo ka li-switch tse arabelang matshwao a ho kenya ka ho bulela kapa ho tima. Likarolo tsena li bapala karolo ea bohlokoa ho laola ho phalla ha hona joale le ho nolofalletsang mesebetsi e fapaneng ea lisebelisoa tsa elektroniki.

Li-Ceramic Lead Chip Carriers

Ceramic Leaded Chip Carriers (CLCCs) ke likarolo tse khethehileng tsa SMD tse etselitsoeng likopo tse phahameng haholo. E na le lisebelisoa tsa dielectric tsa ceramic le lisebelisoa tsa koporo tse entsoeng ka khauta, li-CLCC li fana ka ts'ebetso e phahameng le ho tšepahala libakeng tse hlokang.

Bajari ba Ceramic Chip ba se nang moeta-pele

Li-ceramic chip carriers tse se nang lead ke mofuta oa karolo ea SMD e ka beoang ka kotloloho holim'a liboto tsa potoloho tse hatisitsoeng (PCBs) ho sebelisa solder paste. Likaroloana tsena tse kopanetsoeng hangata li sebelisoa lipotolohong tse kopantsoeng ka lebelo le phahameng (ICs) le lisebelisoa tse ling tsa elektroniki moo boholo bo nyane le ts'epahalo e phahameng e leng tsa bohlokoa. Sebakeng sa lithapo kapa likhoele tsa setso, li na le lipampiri tsa tšepe tsa bohlokoa holim'a tsona, tse sebetsang e le libaka tsa likhokahanyo tsa motlakase.

Liphutheloana tsa polasetiki bakeng sa likarolo tse sebetsang tsa SMD

Le hoja liphutheloana tsa ceramic li atisa ho sebelisoa lits'ebetsong tsa sesole, liphutheloana tsa polasetiki bakeng sa likarolo tse sebetsang tsa SMD li fumane mokhoa oa ho kena lits'ebetsong tseo e seng tsa sesole moo ho sa hlokahaleng tiiso ea hermetic. Liphutheloana tsena tsa polasetiki li fana ka mefuta e meng e theko e tlaase ha e ntse e fana ka ts'ebetso e tšepahalang.

Li-Transistor tse Nyenyane tsa Outline

Small Outline Transistors (SOTs) ke lisebelisoa tsa holim'a holim'a metsi tse fumanehang ka bobeli ba li-lead tse 'nè le tse tharo. Liphutheloana tsena tse feto-fetohang li loketse bolulo ba li-transistors le diode, e leng se etsang hore e be tharollo ea bokahohle bakeng sa lisebelisoa tse nyenyane tse holim'a metsi.

Bapalami ba Plastiki ba etellang pele Chip Carriers

Lisebelisoa tsa Plastic Leaded Chip Carriers (PLCCs) ke mokhoa o mong oa moruo ho feta balekane ba bona ba ceramic. Le hoja li ka 'na tsa se ke tsa fana ka boemo bo ts'oanang ba nako e telele joaloka liphutheloana tsa ceramic, li-PLCC li fana ka tharollo e theko e tlaase bakeng sa likopo moo tiiso ea hermetic e seng ntho e hlokahalang. Lieta tsa bona li thusa ho tsamaisa khatello ea maikutlo hole le lenonyeletso la solder, ho thibela mapetsong le ho netefatsa ts'ebetso e tšepahalang.

Liphutheloana tsa Outline tse Nyenyane

ce e holimo. Liphutheloana tsena li na le lithakhisa ka mahlakoreng a mabeli feela, e leng se etsang hore li be tšesaane le ho boloka sebaka. Li-SOP li kopanya melemo ea ho sebetsana le li-PLCC kapa li-SOIC ka bongata bo boholo ba li-DRAM, tse fanang ka tharollo e fapaneng bakeng sa lits'ebetso tse fapaneng.

Lipotoloho tse Kopantsoeng ke Kemiso e Nyane

Small Outline Integrated Circuits (SOICs) ke liphutheloana tse honyehang tse nang le melato e arohaneng ka lisenthimithara tse 0.050. Liphutheloana tsena tse kopaneng li khona ho aha li-circuits tse kholo tse kopaneng ho feta li-SOT, li li etsa khetho e fapaneng bakeng sa meralo e fapaneng ea elektroniki. Maemong a mang, li-SOIC li bile li sebelisetsoa ho kenya li-SOT tse ngata ka har'a sephutheloana se le seng.

Li-Circuit Ball Grid Arrays

Ball Grid Arrays (BGAs) ke mofuta oa liphutheloana tseo hangata li bitsoang li-pin grid array. Ho fapana le liphutheloana tsa setso tse nang le lithapo kapa likhoele, li-BGA li na le libolo tse ngata tse ka tlase ho sephutheloana, tse nolofalletsang likhokahano tse phahameng haholo. Li-BGA li tla ka boholo bo fapaneng le lipalo tsa phini, li sebetsana le lits'ebetso tse fapaneng le maemo a rarahaneng.

Liphutheloana tse ntle tsa Pitch SMD

Liphutheloana tse ntle tsa SMD, tse kang Thin Quad Flat Packs (TQFPs), Plastic Quad Flat Packs (PQFPs), le Ceramic Quad Flat Packs (CQFPs), li na le lisebelisoa tse fokolang 'me li hloka moralo o mosesaane oa mobu. Liphutheloana tsena li etselitsoe lits'ebetso moo miniaturization le ho nepahala li leng bohlokoa, e leng se etsang hore e be tse loketseng meralo ea elektronike e phahameng haholo.

Ho khetholla likarolo tsa SMD

Ka mefuta e mengata ea likarolo tsa SMD tse fumanehang, bokhoni ba ho li tseba ka nepo ke bokhoni ba bohlokoa. Hore na o rarolla mathata a potoloho, odara likarolo tse ncha, kapa o rala sistimi e ncha ea elektroniki, boitsebiso bo nepahetseng ba karolo bo bohlokoa.

Ho khetholla li-Resistors tsa SMD

Bahanyetsi ba SMD hangata ba hlalosoa ka tlhaku "R," e lateloa ke boleng ba linomoro bo bontšang khanyetso ho ohms. Mohlala, “10R” e emela sehanyetsi sa 10Ω, ha “0.1R” e bolela sehanyetsi sa 0.1Ω. Ka ho utloisisa kopano ena e bonolo ea ho reha mabitso, o ka tseba kapele boleng ba khanyetso ba mohanyetsi oa SMD.

Ho lemoha SMD Capacitors

Li-capacitor tsa SMD hangata li tšoauoa ka tlhaku "C," e emelang boleng ba bona ba bokhoni. Tekanyo ea tekanyo ea matla ke farad (F), empa bakeng sa li-capacitor tsa SMD, lihlopha tse nyenyane tse kang picofarads (pF), nanofarads (nF), le microfarads (μF) li sebelisoa hangata. Ka mohlala, "1μF" e bontša bokhoni ba 1 microfarad, kapa 1,000 nanofarad.

Ho khetholla li-inductors tsa SMD

Li-inductors tsa SMD li khetholloa ka tlhaku "L," e bolelang boleng ba inductance bo lekantsoeng ka li-henries (H). Leha ho le joalo, ka lebaka la boholo bo bonyenyane ba li-inductors tsa SMD, lihlopha tse nyenyane tse kang millihenries (mH) le microhenries (μH) li sebelisoa hangata. Ka mohlala, "1mH" e emela tlhahiso ea 1 millihenry, kapa 1,000 microhenries.

Ho lemoha SMD Diode le Triodes

Li-diode tsa SMD hangata li tšoauoa ka tlhaku "D" kapa "CR," ho bonts'a ts'ebetso ea tsona joalo ka diode. Likarolo tsena li lumella hore hona joale ho phalle ka tsela e le 'ngoe ha e ntse e e thibela ka lehlakoreng le ka morao. Ho feta moo, li-diode tsa tšepe tsa SMD hangata li na le terminal e nang le mela kapa tšehetso ea tšepe, e bonts'ang lehlakore le lebe la li-electrode.

Li-triode tsa SMD, tse sebelisetsoang ho holisa le ho laola matšoao a elektroniki, hangata li khethoa ka tlhaku e kholo "Q." Likarolo tsena li bapala karolo ea bohlokoa ho laola ho phalla ha hona joale le ho nolofalletsa mesebetsi e fapaneng ea lipotoloho tsa elektroniki.

Ho tsebahatsa Lipotoloho tse Kopantsoeng tsa SMD (ICs)

Li-circuits tse kopaneng (ICs) ke likarolo tse rarahaneng tse kopanyang likarolo tse ngata tsa elektroniki ho chip e le 'ngoe ea semiconductor. Li-SMD IC li tla ka mefuta e fapaneng ea ho paka, joalo ka liphutheloana tse nyane tsa Slim Outline (SSOPs), Chip Scale Packages (CSPs), Ball Grid Arrays (BGAs), Quad Flat Packages (QFPs), Plastic Quad Flat Packages (PQFPs), Plastic Pin Grid. Arrays (PPGAs), le Plastic Leaded Chip Carriers (PLCCs). Ho khetholla mofuta o ikhethileng oa sephutheloana ho ka fana ka leseli la bohlokoa mabapi le ts'ebetso le ts'ebeliso ea IC.

Ho khetholla li-oscillator tsa SMD Crystal

Li-oscillator tsa kristale tsa SMD li bonahala habonolo ka boteng ba kristale ea quartz le liteishene tse peli tse bentšitsoeng. Likarolo tsena li khethiloe ka tlhaku "Y" kapa motsoako oa linomoro le "Z / HZ," e leng se bontšang karolo ea bona e le li-oscillator tsa kristale. Li-crystal oscillator tsa SMD li na le boikarabello ba ho fana ka lets'oao la oache ea mantlha lits'ebetsong tsa elektroniki, ho li etsa likarolo tsa bohlokoa ts'ebetsong ea ho boloka nako le ho hokahanya.

Ho lemoha lihokelo tsa SMD le li-Switch

Lihokelo tsa SMD li thusa likhokahano tsa motlakase tsa nakoana kapa tse sa feleng ka har'a potoloho. Likaroloana tsena hangata li sebelisoa ka lipara 'me li ka khetholloa ka libopeho tsa tsona tse ikhethileng tsa sehokelo le litlhophiso tsa phini.

Ka lehlakoreng le leng, li-switches tsa SMD li sebelisoa ho bula kapa ho koala likhokahano tsa motlakase botong ea potoloho. Li-switches tsena tse kopanang hangata li behiloe holim'a metsi 'me li ka tsejoa habonolo ka ponahalo ea tsona e nyenyane, e kang ea likonopo.

Bakeng sa moralo oa tlhahiso, ho boetse ho thusa ho bapisa sehlooho sena le likarolo tsa boto ea potoloho le tlhahlobo ea mehloli ea BOM pele ho phetheloa sephutheloana sa tlhahiso kapa kopano.

Kopo ea Karolo ea PCB SMD

Likarolo tsa SMD li bohlokoa ho lisebelisoa tsa elektroniki tsa sejoale-joale, li fana ka mefuta e mengata ea lits'ebetso ho liindasteri tse fapaneng. Boholo ba tsona bo nyane, boima bo bobebe, 'me li tsamaellana le mekhoa ea ho kopanya e iketsang e li etsa hore e be tse loketseng lisebelisoa tse ngata tsa elektroniki. Mona ke tse ling tsa lits'ebetso tse tloaelehileng tsa likarolo tsa PCB SMD:

1. Consumer Electronics: Likarolo tsa SMD li sebelisoa haholo ho li-smartphone, matlapa, lilaptop, lithelevishene le lik'hamera tsa dijithale. Li thusa ho etsa lisebelisoa tse nyane le ho ntlafatsa ts'ebetso ea tsona.
2. Likoloi tsa Elektroniki: Likarolo tsa SMD li sebelisoa lits'ebetsong tsa taolo ea likoloi, litsamaiso tsa boithabiso, litsamaiso tsa ho tsamaisa le mabone. Li fana ka ts'episo le nako e telele, tse bohlokoa bakeng sa lits'ebetso tsa likoloi.
3. Lisebelisoa tsa indasteri: Likarolo tsa SMD li fumaneha lits'ebetsong tsa taolo ea indasteri, liroboto, mechini le li-sensor. Boholo ba bona bo nyane le ts'ebetso e phahameng li etsa hore li tšoanelehe bakeng sa lits'ebetso tse fapaneng tsa indasteri.
4. Mechine ea Bongaka: Likarolo tsa SMD li sebelisoa lisebelisoa tsa bongaka tse kang li-monitor, lisebelisoa tsa litšoantšo, le lisebelisoa tsa ho hlahloba. Ba fana ka ho nepahala le ho tšepahala lits'ebetsong tsa bohlokoa tsa bongaka.
5. puisano: Likarolo tsa SMD li bapala karolo ea bohlokoa lisebelisoa tsa likhokahano tsa mehala, ho kenyeletsoa li-routers, modem, switch le liteishene tsa motheo. Ba thusa ho etsa bonnete ba hore marang-rang a puisano a sebetsa hantle.
6. Aerospace le Defense: Likarolo tsa SMD li sebelisoa ho avionics, satellites, radar systems, le lisebelisoa tsa sesole. Ba fana ka ts'epo e phahameng le ts'ebetso libakeng tse hlokang.
7. LED Lighting: Likarolo tsa SMD li sebelisoa lits'ebetsong tsa mabone a LED bakeng sa taolo ea matla, taolo le litlamorao tsa mabone. Ba kenya letsoho ho sebetsa hantle le ho tšoarella ha mabone a LED.
8. mpshafatswago Energy: Likarolo tsa SMD li sebelisoa ho li-inverters tsa letsatsi, li-turbine tsa moea, le lits'ebetso tsa polokelo ea matla. Li thusa ho fetolela le ho laola matla ka mokhoa o nepahetseng lits'ebetsong tsa matla a tsosolositsoeng.
9. Systems Security: Likarolo tsa SMD li sebelisoa lik'hamera tsa ts'ireletso, lialamo, le lits'ebetso tsa taolo ea phihlello. Ba fana ka ts'ebetso e tšepahalang bakeng sa lits'ebetso tsa ts'ireletso.
10. Theknoloji e aparang: Likarolo tsa SMD li sebelisoa lisebelisoa tse ka roaloang joalo ka li-smartwatches, li-trackers tsa boikoetliso le li-monitor tsa bophelo bo botle. Li nolofalletsa meralo e kopaneng le e bobebe bakeng sa theknoloji e ka roaloang.

Lisebelisoa tsena li totobatsa ho tenyetseha le bohlokoa ba likarolo tsa SMD ho lisebelisoa tsa elektroniki tsa sejoale-joale, ho khanna boqapi le tsoelo-pele liindastering tse fapaneng.

Hobaneng u Khetha Highleap Electronic Bakeng sa Litlhoko tsa Hao tsa Karolo ea SMD?

Lefatšeng le ntseng le fetoha la tlhahiso le kopano ea PCB, ho khetha molekane ea tšepahalang le ea nang le boiphihlelo ke habohlokoa. Highleap Electronic , e nang le boiphihlelo ba indasteri ba lilemo tse fetang 15, e eme e le moetsi ea tšepahalang oa lihlahisoa tsa kopano ea PCB le PCB . Katleho ea rona e susumetsoa ke katleho ea bareki ba rona, 'me botumo ba rona bo hahiloe ho faneng ka litharollo tsa boleng bo holimo, tse nepahetseng le tse tšoarellang.

Ho Highleap Electronic , re utloisisa litlhoko tsa indasteri ea PCB 'me re loanela ho feta litebello. Litlhahlobo tsa bareki ba rona li bonts'a boitlamo ba rona ba bokhabane, 'me re motlotlo ho sebeletsa likhoebo tsa boholo bohle, ho tloha lik'hamphaning tse nyane tse qalang ho isa ho lik'hamphani tse kholo tsa machaba.

fihlela qeto e

Likarolo tsa SMD li fetotse indasteri ea lisebelisoa tsa elektroniki, tsa nolofalletsa lisebelisoa tse kopaneng, tse sebetsang hantle le tse tšepahalang. Ho utloisisa mefuta e fapaneng ea likarolo tsa SMD le mekhoa ea bona ea boitsebahatso ho bohlokoa ho mang kapa mang ea sebetsang lefapheng la lisebelisoa tsa elektroniki, ho tloha ho batho ba ratang ho itlosa bolutu ho isa ho baenjiniere ba litsebi.

Tataisong ena e felletseng, re hlahlobile mekhahlelo e fapaneng ea likarolo tsa SMD, ho kenyelletsa likarolo tse sa sebetseng joalo ka li-resistors, capacitor, le inductors, hammoho le likarolo tse sebetsang joalo ka li-transistors, li-circuits tse kopaneng le li-oscillator. Re boetse re hlahlobile tsebo ea ho khetholla likarolo tsena ka matšoao a tsona, libopeho le mefuta ea liphutheloana.