{"id":81340,"date":"2024-10-04T10:00:08","date_gmt":"2024-10-04T08:00:08","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=81340"},"modified":"2026-04-08T10:48:30","modified_gmt":"2026-04-08T08:48:30","slug":"irfz44n-co-to-jest-dane-techniczne-schemat-cena-i-opinie-2","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/irfz44n-co-to-jest-dane-techniczne-schemat-cena-i-opinie-2\/","title":{"rendered":"IRFZ44N &#8211; co to jest? dane techniczne, schemat, cena i opinie"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Czas czytania:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"81340\" class=\"elementor elementor-81340\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-efdb781 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"efdb781\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-303409c\" data-id=\"303409c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-64b9cfc elementor-widget elementor-widget-text-editor\" data-id=\"64b9cfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/botland.com.pl\/24-tranzystory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">Tranzystory<\/a> to jedne z najwa\u017cniejszych przyrz\u0105d\u00f3w p\u00f3\u0142przewodnikowych stosowanych w elektronice &#8211; to w\u0142a\u015bnie w oparciu o nie zbudowane s\u0105 struktury wewn\u0119trzne wi\u0119kszo\u015bci uk\u0142ad\u00f3w scalonych. Jednak opr\u00f3cz uk\u0142ad\u00f3w scalonych, tranzystory wyst\u0119puj\u0105 tak\u017ce w formie pojedynczej, jako komponenty dyskretne &#8211; poznajcie <a href=\"https:\/\/botland.com.pl\/tranzystory-unipolarne-mosfet\/6494-tranzystor-n-mosfet-irfz44n-55v41a-tht-5szt-5904422375102.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">IRFZ44N<\/a> &#8211; pojedynczy tranzystor MOSFET z kana\u0142em typu N.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-532b2ed elementor-widget elementor-widget-heading\" data-id=\"532b2ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Czym jest i jak dzia\u0142a tranzystor IRFZ44N?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79feffc elementor-widget elementor-widget-text-editor\" data-id=\"79feffc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>IRFZ44N jest tranzystorem typu <strong>MOSFET<\/strong> (ang. Metal Oxide Semiconductor Field Effect Transistor), zwanym tak\u017ce tranzystorem unipolarnym, poniewa\u017c jego struktura p\u00f3\u0142przewodnikowa obejmuje jeden rodzaj no\u015bnika, tj. typu N lub P. W przypadku tranzystora IRFZ44N, mamy do czynienia z <a href=\"https:\/\/botland.com.pl\/231-n-mosfet\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">kana\u0142em typu N<\/a>, gdzie no\u015bniki wi\u0119kszo\u015bciowe stanowi\u0105 elektrony, przeciwnie to <a href=\"https:\/\/botland.com.pl\/230-p-mosfet\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">tranzystor\u00f3w MOSFET typu P<\/a>, gdzie no\u015bniki wi\u0119kszo\u015bciowe stanowi\u0105 dziury.\u00a0W tranzystorze MOSFET typu N, \u017caden z no\u015bnik\u00f3w mniejszo\u015bciowych nie uczestniczy w bie\u017c\u0105cym przewodnictwie. Dlatego te\u017c czas przechowywania \u0142adunku elektrycznego po wy\u0142\u0105czeniu jest pomijalnie kr\u00f3tki i dzi\u0119ki temu tranzystory MOSFET z powodzeniem znajduj\u0105 zastosowanie <strong>w uk\u0142adach elektronicznych o wysokiej cz\u0119stotliwo\u015bci prze\u0142\u0105czania<\/strong>. MOSFET z kana\u0142em typu N jest w\u0142\u0105czony wtedy, kiedy napi\u0119cie bramka-\u017ar\u00f3d\u0142o VGS jest dodatnie wzgl\u0119dem masy.<\/p><p>W uk\u0142adach energoelektronicznych, tranzystory MOSFET pe\u0142ni\u0105 funkcje <strong>szybkich prze\u0142\u0105cznik\u00f3w<\/strong>. Napi\u0119cie VGS musi mie\u015bci\u0107 si\u0119 w dolnych i g\u00f3rnych granicach okre\u015blonych w nocie katalogowej. Kiedy MOSFET jest w stanie przewodzenia, zachowuje si\u0119 podobnie jak <a href=\"https:\/\/botland.com.pl\/50-rezystory-oporniki\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">rezystor<\/a>. Zatem strata mocy w takim tranzystorze jest proporcjonalna do kwadratu pr\u0105du drenu i rezystancji mi\u0119dzy drenem a \u017ar\u00f3d\u0142em w stanie w\u0142\u0105czenia tranzystora. Warto\u015b\u0107 tej rezystancji wzrasta wraz z pr\u0105dem drenu z uwagi na wzrost temperatury z\u0142\u0105cza. Powoduje to zwi\u0119kszone straty mocy podczas przewodzenia, a tym samym ogranicza zastosowanie w obwodach du\u017cej mocy. Tranzystory MOSFET o niskim napi\u0119ciu maj\u0105 nisk\u0105 rezystancj\u0119 w stanie w\u0142\u0105czenia, dlatego przy danych wymaganiach napi\u0119ciowych lepiej jest wybra\u0107 tranzystory MOSFET mocy o minimalnym mo\u017cliwym napi\u0119ciu znamionowym, bior\u0105c pod uwag\u0119 wsp\u00f3\u0142czynnik bezpiecze\u0144stwa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04e93a5 elementor-widget elementor-widget-heading\" data-id=\"04e93a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Przyk\u0142adowe zastosowanie MOSFETa IRFZ44N - alarm akustyczny<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fd28002 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fd28002\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6bc744f\" data-id=\"6bc744f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-40c860a elementor-widget elementor-widget-image\" data-id=\"40c860a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/06494_1_kwadrat.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"06494_1_kwadrat\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6OTA0NzAsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmNvbS5wbFwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzA2NDk0XzFfa3dhZHJhdC5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/06494_1_kwadrat-1024x1024.jpg\" class=\"attachment-large size-large wp-image-90470\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/06494_1_kwadrat-1024x1024.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/06494_1_kwadrat-300x300.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/06494_1_kwadrat-768x768.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/elementor\/thumbs\/06494_1_kwadrat-qukyailgql5qs3q2dxd9f45cb2o6e1d0z3e86vcwes.jpg 450w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/elementor\/thumbs\/06494_1_kwadrat-qukyailg4nriz3n76gxod2q5sekd25r6173n464ae8.jpg 400w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/09\/06494_1_kwadrat.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Tranzystor N-MOSFET IRFZ44N 55V\/41A - THT - 5szt..<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ccf5a9 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"8ccf5a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.com.pl\/tranzystory-unipolarne-mosfet\/6494-tranzystor-n-mosfet-irfz44n-55v41a-tht-5szt-5904422375102.html\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SPRAWD\u0179<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a9af890\" data-id=\"a9af890\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a64e059 elementor-widget elementor-widget-text-editor\" data-id=\"a64e059\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Alarm przerwania obwodu mo\u017cna w uzasadniony spos\u00f3b powi\u0105za\u0107 z obwodem alarmu akustycznego, kt\u00f3ry jest wyzwalany<strong> na skutek przerwania ci\u0105g\u0142o\u015bci obwodu elektrycznego<\/strong>. Taki przyk\u0142adowy obw\u00f3d potrzebuje napi\u0119cia <a href=\"https:\/\/botland.com.pl\/132-zasilanie\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">zasilania<\/a> pomocniczego z przedzia\u0142u 9-12 V do og\u00f3lnego dzia\u0142ania. Zasada dzia\u0142ania takiego obwodu, jest nast\u0119puj\u0105ca. Po pod\u0142\u0105czeniu zasilania, pr\u0105d przep\u0142ywa z potencja\u0142u napi\u0119cia zasilania Vcc do masy GND przez rezystor 33k. Natomiast w wyniku przerwania tego obwodu, pr\u0105d b\u0119dzie przep\u0142ywa\u0107 od potencja\u0142u Vcc do bramki MOSFETa. W rezultacie, MOSFET przechodzi <strong>w stan przewodzenia<\/strong> &#8211; pr\u0105d przep\u0142ywa od drenu do \u017ar\u00f3d\u0142a poprzez diod\u0119 LED i buzzer. Taki obw\u00f3d mo\u017ce s\u0142u\u017cy\u0107 jako sygnalizacja nieci\u0105g\u0142o\u015bci przewod\u00f3w elektrycznych, np. w wyniku uszkodzenia wskutek przep\u0142ywu zbyt du\u017cego pr\u0105du.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-1122313 elementor-widget elementor-widget-spacer\" data-id=\"1122313\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a331a4a elementor-widget elementor-widget-heading\" data-id=\"a331a4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IRFZ44N - najwa\u017cniejsze parametry komponentu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cdb072 elementor-widget elementor-widget-text-editor\" data-id=\"9cdb072\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/botland.com.pl\/tranzystory-unipolarne-mosfet\/6494-tranzystor-n-mosfet-irfz44n-55v41a-tht-5szt-5904422375102.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">IRFZ44N<\/a> to popularny tranzystor MOSFET typu N, cz\u0119sto stosowany w aplikacjach zwi\u0105zanych z regulacj\u0105 mocy, sterowaniem silnikami, zasilaczami impulsowymi, wzmacniaczami audio i wieloma innymi. W\u015br\u00f3d najwa\u017cniejszych parametr\u00f3w tego tranzystora wyr\u00f3\u017cniamy:<\/p><ul style=\"font-size: 16px; background-color: #ffffff;\"><li style=\"font-size: 16px;\"><strong>Napi\u0119cie znamionowe bramka-\u017ar\u00f3d\u0142o (Vgs):<\/strong> Okre\u015bla maksymalne napi\u0119cie, kt\u00f3re mo\u017ce by\u0107 bezpiecznie stosowane mi\u0119dzy bramk\u0105 a \u017ar\u00f3d\u0142em, aby tranzystor dzia\u0142a\u0142 prawid\u0142owo.<\/li><li style=\"font-size: 16px;\"><strong>Napi\u0119cie znamionowe dren-\u017ar\u00f3d\u0142o (Vds):<\/strong> Maksymalne napi\u0119cie, kt\u00f3re mo\u017ce by\u0107 bezpiecznie stosowane mi\u0119dzy drenem a \u017ar\u00f3d\u0142em, gdy tranzystor jest w\u0142\u0105czony.<\/li><li style=\"font-size: 16px;\"><strong>Pr\u0105d drenu (Id):<\/strong> Maksymalny pr\u0105d, kt\u00f3ry mo\u017ce przep\u0142ywa\u0107 przez tranzystor MOSFET, gdy jest w pe\u0142ni w\u0142\u0105czony.<\/li><li style=\"font-size: 16px;\"><strong>Oporno\u015b\u0107 przewodzenia (Rds(on)):<\/strong> Okre\u015bla rezystancj\u0119 mi\u0119dzy drenem a \u017ar\u00f3d\u0142em, gdy tranzystor jest w pe\u0142ni w\u0142\u0105czony. Im ni\u017csza warto\u015b\u0107, tym mniejsze straty mocy i lepsza wydajno\u015b\u0107.<\/li><li style=\"font-size: 16px;\"><strong>Napi\u0119cie progowe bramki (Vth):<\/strong> Minimalne napi\u0119cie, kt\u00f3re musi zosta\u0107 przy\u0142o\u017cone do bramki, aby tranzystor zacz\u0105\u0142 przewodzi\u0107 pr\u0105d.<\/li><li style=\"font-size: 16px;\"><strong>Moc znamionowa (Pd):<\/strong> Maksymalna moc, kt\u00f3r\u0105 tranzystor MOSFET mo\u017ce rozprasza\u0107 bez przekraczania dopuszczalnych temperatur.<\/li><li style=\"font-size: 16px;\"><strong>Czas prze\u0142\u0105czania (t-on, t-off):<\/strong> Czas potrzebny na przej\u015bcie tranzystora MOSFET z wy\u0142\u0105czonego stanu (off) do w\u0142\u0105czonego stanu (on) i odwrotnie. Szybkie czasy prze\u0142\u0105czania mog\u0105 by\u0107 istotne w niekt\u00f3rych aplikacjach, takich jak przetwornice DC-DC.<\/li><li style=\"font-size: 16px;\"><strong>Pojemno\u015b\u0107 bramka-\u017ar\u00f3d\u0142o (Ciss):<\/strong> Pojemno\u015b\u0107 mi\u0119dzy bramk\u0105 a \u017ar\u00f3d\u0142em, kt\u00f3ra wp\u0142ywa na szybko\u015b\u0107 prze\u0142\u0105czania tranzystora.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0325cd3 elementor-widget elementor-widget-spacer\" data-id=\"0325cd3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f16b975 elementor-widget elementor-widget-heading\" data-id=\"f16b975\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Testowanie tranzystora MOSFET<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a56115 elementor-widget elementor-widget-text-editor\" data-id=\"5a56115\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Podobnie jak inne podzespo\u0142y i elementy elektroniczne, r\u00f3wnie\u017c <a href=\"https:\/\/botland.com.pl\/91-tranzystory-unipolarne-mosfet\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">tranzystor MOSFET<\/a> jest elementem, kt\u00f3ry mo\u017ce by\u0107 nara\u017cony na uszkodzenie. W tym celu, aby mie\u0107 pewno\u015b\u0107, \u017ce tranzystor, kt\u00f3ry chcemy u\u017cy\u0107 w naszym projekcie jest sprawny, warto go przetestowa\u0107. Co ciekawe, do tego celu mo\u017cemy u\u017cy\u0107 nie tylko wielofunkcyjnego testera komponent\u00f3w elektronicznych, ale tak\u017ce <a href=\"https:\/\/botland.com.pl\/228-urzadzenia-pomiarowe\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">multimetru<\/a> i bateryjki, lub zasilacza.\u00a0<\/p><p>Testowanie tranzystora MOSFET typu N za pomoc\u0105 multimetru mo\u017ce by\u0107 zrobione w kilku prostych krokach. Ustawiamy multimetr na tryb pomiaru rezystancji. Warto\u015b\u0107 rezystancji mo\u017ce si\u0119 r\u00f3\u017cni\u0107 w zale\u017cno\u015bci od typu MOSFETa, ale b\u0119dzie to zwykle warto\u015b\u0107<strong> w granicach kilkuset kiloom\u00f3w<\/strong>.\u00a0<\/p><p><span style=\"font-size: 1rem;\">W stanie wy\u0142\u0105czenia, przyk\u0142adamy sondy multimetru do wyprowadze\u0144 bramki i \u017ar\u00f3d\u0142a. Multimetr powinien wy\u015bwietla\u0107 warto\u015b\u0107 niesko\u0144czon\u0105. Po kr\u00f3tkim podaniu napi\u0119cia na bramk\u0119, mi\u0119dzy z\u0142\u0105czem \u017ar\u00f3d\u0142a a drenem powinno pojawi\u0107 si\u0119 przewodzenie. Multimetr powinien pokazywa\u0107 nisk\u0105 rezystancj\u0119. Aby wykona\u0107 pomiar napi\u0119cia bramka-\u017ar\u00f3d\u0142o, w celu wyznaczenia charakterystyki napi\u0119ciowej MOSFET-a, mo\u017cemy zmierzy\u0107 napi\u0119cie mi\u0119dzy bramk\u0105 (G) a \u017ar\u00f3d\u0142em (S), po przy\u0142o\u017ceniu do \u017ar\u00f3d\u0142a napi\u0119cia zasilania. Przy prawid\u0142owo podanej warto\u015bci napi\u0119cia na bramce, MOSFET powinien by\u0107 w pe\u0142ni przewodz\u0105cy. Nast\u0119pnie sprawdzamy rezystancj\u0119 od \u017ar\u00f3d\u0142a do drenu, kt\u00f3ra stanowi swego rodzaju &#8220;r\u00f3wnoleg\u0142y rezystor&#8221; MOSFET-a w stanie przewodzenia. Warto\u015b\u0107 tej rezystancji powinna by\u0107 stosunkowo niska, co wskazuje na to, \u017ce MOSFET jest w stanie przewodzenia. Je\u015bli wszystkie wymienione kroki spe\u0142niaj\u0105 wymienione za\u0142o\u017cenia, mo\u017cemy uzna\u0107, \u017ce badany MOSFET jest sprawny.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Przeczytaj nasz artyku\u0142 i dowiedz si\u0119 wi\u0119cej o tranzystorze N-MOSFET IRFZ44N.<\/p>\n","protected":false},"author":21,"featured_media":90486,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-81340","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IRFZ44N - co to jest? dane techniczne, schemat, cena i opinie - Botland<\/title>\n<meta name=\"description\" content=\"Przeczytaj nasz artyku\u0142 na temat: IRFZ44N - co to jest? dane techniczne, schemat, cena i opinie. 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