Nkọwa ngwungwu SMD MOSFET nke a na-ejikarị

Kedu ọrụ MOSFETs?

MOSFET na-ekere òkè n'ịhazi voltaji nke sistemu ọkụ ọkụ niile. Ugbu a, ọ bụghị ọtụtụ MOSFET a na-eji na bọọdụ, na-emekarị ihe dị ka 10. Isi ihe kpatara ya bụ na ọtụtụ MOSFET na-ejikọta na mgbawa IC. Ebe ọ bụ na isi ọrụ MOSFET bụ inye voltaji kwụsiri ike maka ngwa, yabụ a na-ejikarị ya na CPU, GPU na oghere, wdg.MOSFETna-adịkarị n'elu na n'okpuru ụdị nke otu abụọ na-apụta na bọọdụ.

ngwugwu MOSFET

MOSFET mgbawa na mmepụta agwụla, mkpa ka ị tinye a shei na MOSFET mgbawa, ya bụ, MOSFET ngwugwu. MOSFET mgbawa shei nwere nkwado, nchebe, mmetụta jụrụ oyi, kamakwa maka mgbawa iji nye njikọ eletrik na iche, nke mere na ngwaọrụ MOSFET na ihe ndị ọzọ na-emepụta sekit zuru oke.

Dị ka echichi na PCB ụzọ ịmata ọdịiche,MOSFETngwugwu nwere isi edemede abụọ: Site na oghere na ugwu elu. etinyere ya bụ ntụtụ MOSFET site na oghere PCB agbagoro na PCB. Ugwu dị n'elu bụ ntụtụ MOSFET na flange sink na-ekpo ọkụ welded na paịlị elu PCB.

Nkọwa ngwugwu ọkọlọtọ KA ngwugwu

TO (Transistor Out-line) bụ nkọwapụta ngwugwu mbụ, dị ka TO-92, TO-92L, TO-220, TO-252, wdg bụ nhazi ngwugwu. N'ime afọ ndị na-adịbeghị anya, ahịa ahịa elu elu abawanyela, na ngwugwu TO nwere ọganihu ruo ngwungwu elu.

TO-252 na TO263 bụ ngwugwu elu elu. A na-akpọ TO-252 dị ka D-PAK na TO-263 makwaara dị ka D2PAK.

D-PAK ngwugwu MOSFET nwere electrodes atọ, ọnụ ụzọ ámá (G), igbapu (D), isi iyi (S). Otu n'ime drain (D) pin na-ebipụ na-enweghị iji azụ nke okpomọkụ sink maka igbapu (D), ozugbo welded na PCB, n'otu aka ahụ, maka mmepụta nke elu ugbu a, n'otu aka ahụ, site na PCB ikpo ọkụ. Yabụ enwere paịlị PCB D-PAK atọ, mpe mpe akwa (D) buru ibu.

Ihe ngwungwu TO-252 pin

Chip ngwugwu ewu ewu ma ọ bụ sọrọ in-line ngwugwu, zoro aka dị ka DIP (Dual ln-line Package) .DIP ngwugwu n'oge ahụ nwere PCB kwesịrị ekwesị (e biri ebi sekit osisi) perforated echichi, na mfe karịa TO-ụdị ngwugwu PCB wiring na ọrụ. na-adaba adaba na ụfọdụ n'ime njirimara nke nhazi nke ngwugwu ya n'ụdị dị iche iche, gụnyere multi-layer ceramic dual in-line DIP, single-layer Ceramic Dual In-Line

DIP, ndu etiti DIP na ndị ọzọ. A na-ejikarị na transistors ike, ngwugwu mgbawa regulator voltaji.

ChipMOSFETngwugwu

Ngwugwu SOT

SOT (Obere Transistor Out-Line Transistor) bụ obere ngwungwu transistor nlegharị anya. Ngwungwu a bụ ngwugwu transistor obere ike SMD, pere mpe karịa ngwugwu TO, nke a na-ejikarị maka obere ike MOSFET.

Ngwugwu SOP

SOP (Ngwugwu Obere Ngwunye) pụtara "Ngwugwu Ngwunye Obere" na Chinese, SOP bụ otu n'ime ngwugwu elu elu, ntụtụ si n'akụkụ abụọ nke ngwugwu ahụ n'ụdị nku gull (L-shaped), ihe ahụ. bụ plastik na seramiiki. A na-akpọkwa SOP SOL na DFP. Ụkpụrụ ngwugwu SOP gụnyere SOP-8, SOP-16, SOP-20, SOP-28, wdg Ọnụ ọgụgụ mgbe SOP na-egosi ọnụ ọgụgụ nke pin.

Ihe ngwugwu SOP nke MOSFET na-anabatakarị nkọwa SOP-8, ụlọ ọrụ ahụ na-ahapụ ịhapụ "P", nke a na-akpọ SO (Obere Out-Line).

ngwugwu SMD MOSFET

Ngwungwu plastik SO-8, enweghị efere ọkụ ọkụ, mkpofu ọkụ na-adịghị mma, nke a na-ejikarị maka MOSFET dị ala.

SO-8 bụ nke mbụ mepụtara PHILIP, wee jiri nwayọọ nwayọọ nweta site na TSOP (ngwungwu obere mpempe akwụkwọ dị mkpa), VSOP (ngwugwu ihe ngosi dị ntakịrị), SSOP (belata SOP), TSSOP (SOP dị ntakịrị) na nkọwa ọkọlọtọ ndị ọzọ.

N'ime nkọwa ngwugwu ndị a ewepụtara, TSOP na TSSOP na-ejikarị maka ngwugwu MOSFET.

Ngwunye MOSFET Chip

QFN (Ngwungwu Quad Flat na-edughị edu) bụ otu n'ime ngwugwu elu elu, ndị China na-akpọ ngwugwu ewepụghị akụkụ anọ na-enweghị isi, bụ pad size dị obere, obere, plastik dị ka ihe mkpuchi nke mgbawa elu na-apụta. teknụzụ nkwakọ ngwaahịa, nke a na-akpọkarị LCC ugbu a. A na-akpọ ya ugbu a LCC, na QFN bụ aha Japan Electric and Mechanical Industries Association kwuru. A na-ahazi ngwugwu ahụ na kọntaktị electrode n'akụkụ niile.

A na-ahazi ngwugwu ahụ na kọntaktị electrode n'akụkụ anọ niile, ebe ọ bụ na ọ dịghị ụzọ ọ bụla, ebe a na-ebuli elu dị ntakịrị karịa QFP na ịdị elu dị ala karịa nke QFP. A makwaara ngwugwu a dị ka LCC, PCLC, P-LCC, wdg.