{"id":81370,"date":"2024-10-10T09:00:08","date_gmt":"2024-10-10T07:00:08","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=81370"},"modified":"2026-04-08T10:48:15","modified_gmt":"2026-04-08T08:48:15","slug":"2n2222-co-to-jest-dane-techniczne-schemat-cena-i-opinie","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/2n2222-co-to-jest-dane-techniczne-schemat-cena-i-opinie\/","title":{"rendered":"2N2222 &#8211; Co to jest? Dane techniczne, schemat"},"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=\"81370\" class=\"elementor elementor-81370\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-74bd81b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"74bd81b\" 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-d59f19f\" data-id=\"d59f19f\" 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-083a70b elementor-widget elementor-widget-text-editor\" data-id=\"083a70b\" 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>2N2222 to najcz\u0119\u015bciej stosowany <strong>bipolarny tranzystor z\u0142\u0105czowy NPN<\/strong>. Mo\u017cna go u\u017cywa\u0107 do prze\u0142\u0105czania aplikacji i wzmacniania sygna\u0142\u00f3w analogowych. Jest to tranzystor o typie przewodnictwa NPN. W por\u00f3wnaniu z innymi podobnymi ma\u0142ymi tranzystorami, jedn\u0105 z jego unikalnych zalet jest <strong>zdolno\u015b\u0107 do obs\u0142ugi wysokich pr\u0105d\u00f3w<\/strong>. Zwykle mo\u017ce prze\u0142\u0105cza\u0107 pr\u0105d obci\u0105\u017cenia 800mA, co jest naprawd\u0119 wysok\u0105 warto\u015bci\u0105 w por\u00f3wnaniu do innych podobnych tranzystor\u00f3w. Podczas wykonywania zastosowa\u0144 wzmacniaj\u0105cych odbiera sygna\u0142 analogowy poprzez kolektory, a na jego baz\u0119 przyk\u0142adany jest inny sygna\u0142. Sygna\u0142em analogowym mo\u017ce by\u0107 sygna\u0142 g\u0142osowy o cz\u0119stotliwo\u015bci analogowej prawie 4kHz (pasmo g\u0142osu ludzkiego.<\/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-e5c72c8 elementor-widget elementor-widget-heading\" data-id=\"e5c72c8\" 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\">Tranzystor NPN 2N2222 - mistrz szybkiego prze\u0142\u0105czania<\/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-8da92b5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8da92b5\" 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-ebe8029\" data-id=\"ebe8029\" 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-c133674 elementor-widget elementor-widget-image\" data-id=\"c133674\" 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\/05\/18995_1b.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"18995_1b\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6OTA4MDksInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmNvbS5wbFwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDVcLzE4OTk1XzFiLmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"450\" height=\"254\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/05\/18995_1b.jpg\" class=\"attachment-large size-large wp-image-90809\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/05\/18995_1b.jpg 450w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/05\/18995_1b-300x169.jpg 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/>\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 bipolarny NPN 2N2222A ST - 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-dbc2352 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"dbc2352\" 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-npn\/18995-tranzystor-bipolarny-npn-2n2222a-st-5szt-5904422357931.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-9239a4b\" data-id=\"9239a4b\" 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-a1ffa59 elementor-widget elementor-widget-text-editor\" data-id=\"a1ffa59\" 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>Tranzystory NPN, takie jak <a href=\"https:\/\/botland.com.pl\/tranzystory-npn\/18995-tranzystor-bipolarny-npn-2n2222a-st-5szt-5904422357931.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">2N2222<\/a>, s\u0105 powszechnie stosowane we wzmacniaczach VHF (bardzo wysokiej cz\u0119stotliwo\u015bci) i zastosowaniach prze\u0142\u0105czaj\u0105cych. <a href=\"https:\/\/botland.com.pl\/24-tranzystory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">Tranzystor<\/a> jest wykonany z materia\u0142u krzemowego. Ten typ tranzystora jest uwa\u017cany za normalny tranzystor i jest u\u017cywany w taki sam spos\u00f3b, jak tranzystor NPN. <strong>Baza, emiter i kolektor<\/strong> to trzy zaciski tego tranzystora. Tranzystor 2N2222 zapewnia sta\u0142y pr\u0105d kolektora wynosz\u0105cy maksymalnie 800mA, dzi\u0119ki czemu idealnie nadaje si\u0119 do zastosowa\u0144 wymagaj\u0105cych niskiego i \u015bredniego pr\u0105du. Czas op\u00f3\u017anienia wynosi zaledwie 10ns, czas przechowywania &#8211; 225ms, czas opadania &#8211; 60ms i czas narastania &#8211; 25ms, aby dzia\u0142a\u0107 na wysokiej cz\u0119stotliwo\u015bci przej\u015bcia 250 MHz.<\/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-3edca99 elementor-widget elementor-widget-spacer\" data-id=\"3edca99\" 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-ffabda4 elementor-widget elementor-widget-heading\" data-id=\"ffabda4\" 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\">Tranzystor 2N2222A a tranzystor BC547<\/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-d642945 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d642945\" 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-674c93d\" data-id=\"674c93d\" 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-98a221e elementor-widget elementor-widget-text-editor\" data-id=\"98a221e\" 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>Tranzystor 2N2222A jest bardzo podobny do szeroko stosowanego <a href=\"https:\/\/botland.com.pl\/tranzystory-npn\/254-tranzystor-bipolarny-npn-bc547b-50v-01a-5szt-5904422308025.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">tranzystora NPN BC547<\/a>. Istniej\u0105 jednak mi\u0119dzy nimi dwie zasadnicze r\u00f3\u017cnice. W por\u00f3wnaniu do BC547, 2N2222 ma pr\u0105d kolektora do 800 mA i straty mocy 652 mW, co pozwala na obs\u0142ug\u0119 wi\u0119kszych obci\u0105\u017ce\u0144. Mo\u017cna go u\u017cywa\u0107 do tych samych zastosowa\u0144, co tranzystor BC547, takich jak <strong>prze\u0142\u0105czanie i wzmacnianie<\/strong>. W aplikacji prze\u0142\u0105czaj\u0105cej funkcjonuje w dw\u00f3ch obszarach: nasycenia i odci\u0119cia. W obszarze nasycenia z emitera do kolektora p\u0142ynie pe\u0142ny pr\u0105d o zakresie pr\u0105dowym od 110 do 800 mA i pe\u0142ni on funkcj\u0119 prze\u0142\u0105cznika. W rezultacie u\u017cytkownik mo\u017ce pod\u0142\u0105czy\u0107 tylko obci\u0105\u017cenia do 800 mA. Podobnie, gdy w obszarze odci\u0119cia pr\u0105d nie przep\u0142ywa z emitera do kolektora, zachowuje si\u0119 jak wy\u0142\u0105cznik, kt\u00f3ry jest wy\u0142\u0105czony.<\/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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-cf42726\" data-id=\"cf42726\" 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-15c3235 elementor-widget elementor-widget-image\" data-id=\"15c3235\" 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\/05\/00254_1b.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 90\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6OTA4MTMsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmNvbS5wbFwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDVcLzAwMjU0XzFiLmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"599\" height=\"400\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/05\/00254_1b.jpg\" class=\"attachment-large size-large wp-image-90813\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/05\/00254_1b.jpg 599w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/05\/00254_1b-300x200.jpg 300w\" sizes=\"(max-width: 599px) 100vw, 599px\" \/>\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 bipolarny NPN BC547B 50V\/0,1A - 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-7140903 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"7140903\" 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-npn\/254-tranzystor-bipolarny-npn-bc547b-50v-01a-5szt-5904422308025.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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-17ffa9d elementor-widget elementor-widget-spacer\" data-id=\"17ffa9d\" 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-62382f2 elementor-widget elementor-widget-heading\" data-id=\"62382f2\" 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\">Stan aktywny<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6679f4f elementor-widget elementor-widget-text-editor\" data-id=\"6679f4f\" 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>W tym trybie tranzystor jest zwykle u\u017cywany jako <strong>wzmacniacz pr\u0105du<\/strong>. W trybie aktywnym dwa z\u0142\u0105cza s\u0105 spolaryzowane w r\u00f3\u017cny spos\u00f3b, przy czym z\u0142\u0105cze emiter-baza jest spolaryzowane w kierunku przewodzenia, a z\u0142\u0105cze kolektor-baza jest spolaryzowane zaporowo. W tym trybie pomi\u0119dzy emiterem a kolektorem p\u0142ynie pr\u0105d, kt\u00f3rego wielko\u015b\u0107 jest proporcjonalna do pr\u0105du bazy.<\/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-3802829 elementor-widget elementor-widget-heading\" data-id=\"3802829\" 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\">Stan odci\u0119cia<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e975b3 elementor-widget elementor-widget-text-editor\" data-id=\"5e975b3\" 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>W tym trybie z\u0142\u0105cze kolektor-baza i z\u0142\u0105cze emiter-baza s\u0105 <strong>spolaryzowane zaporowo<\/strong>. Nie ma przep\u0142ywu pr\u0105du, z wyj\u0105tkiem ma\u0142ych pr\u0105d\u00f3w up\u0142ywowych, poniewa\u017c oba z\u0142\u0105cza PN s\u0105 spolaryzowane zaporowo (zwykle rz\u0119du kilku nanoamper\u00f3w lub pikoamper\u00f3w). W tym trybie BJT jest wy\u0142\u0105czony, a obw\u00f3d jest obwodem otwartym. Prze\u0142\u0105czanie i cyfrowe obwody logiczne s\u0105 u\u017cywane g\u0142\u00f3wnie w regionie odci\u0119cia.<\/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-ccea145 elementor-widget elementor-widget-heading\" data-id=\"ccea145\" 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\">Stan nasycenia<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9b02f9 elementor-widget elementor-widget-text-editor\" data-id=\"b9b02f9\" 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>Z\u0142\u0105cza baza-emiter i baza-kolektor s\u0105 w tym obszarze <strong>spolaryzowane w kierunku przewodzenia<\/strong>. Przy prawie zerowym oporze pr\u0105d przep\u0142ywa swobodnie od kolektora do emitera. W tym trybie tranzystor jest ca\u0142kowicie w\u0142\u0105czony, a obw\u00f3d jest zamkni\u0119ty. Region nasycenia jest r\u00f3wnie\u017c u\u017cywany g\u0142\u00f3wnie w obwodach prze\u0142\u0105czaj\u0105cych i cyfrowych obwodach logicznych.<\/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-c1f5bd2 elementor-widget elementor-widget-heading\" data-id=\"c1f5bd2\" 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\">Praktyczne zastosowania tranzystora 2N2222<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-317eaab elementor-widget elementor-widget-text-editor\" data-id=\"317eaab\" 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>W por\u00f3wnaniu do zwyk\u0142ego <a href=\"https:\/\/botland.com.pl\/tranzystory-npn\/254-tranzystor-bipolarny-npn-bc547b-50v-01a-5szt-5904422308025.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">tranzystora NPN BC547<\/a>, 2N2222 jest bardzo podobny, ale 2N2222 pozwala na pr\u0105d kolektora wynosz\u0105cy 800mA, a tak\u017ce rozpraszanie mocy 652mW, kt\u00f3re mo\u017cna wykorzysta\u0107 do nap\u0119dzania wi\u0119kszych obci\u0105\u017ce\u0144 w por\u00f3wnaniu z BC547. 2N2222 jest u\u017cywany do <strong>modulacji PWM<\/strong> ze wzgl\u0119du na kr\u00f3tkie czasy propagacji wspomniane wcze\u015bniej. W oparciu o ten tranzystor, mo\u017cna budowa\u0107 stopnie przedwzmacniaczy we wzmacniaczach audio, uk\u0142ady \u0142\u0105czno\u015bci radiowej jak i szeroko rozumiane urz\u0105dzenia automatyki i <a href=\"https:\/\/botland.com.pl\/7-roboty-i-mechanika\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">robotyki<\/a> oparte na mikrokontrolerach.<\/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-2722bb4 elementor-widget elementor-widget-heading\" data-id=\"2722bb4\" 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\">Tranzystor 2N2222 jako elektroniczny prze\u0142\u0105cznik<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e729b90 elementor-widget elementor-widget-text-editor\" data-id=\"e729b90\" 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>Jednym z najcz\u0119stszych zastosowa\u0144 <a href=\"https:\/\/botland.com.pl\/24-tranzystory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">tranzystor\u00f3w<\/a> w obwodzie elektronicznym s\u0105 <strong>proste prze\u0142\u0105czniki<\/strong>. Innymi s\u0142owy, gdy do bazy dostarczane jest napi\u0119cie, tranzystor przewodzi pr\u0105d przez kolektor-emiter. Prze\u0142\u0105cznik jest wy\u0142\u0105czony, gdy nie ma napi\u0119cia bazy. Dzia\u0142anie prze\u0142\u0105czaj\u0105ce tranzystora opiera si\u0119 na napi\u0119ciu przy\u0142o\u017conym do zacisku bazy. Napi\u0119cie kolektor-emiter jest prawie r\u00f3wne 0, gdy mi\u0119dzy baz\u0119 a emiter przy\u0142o\u017cone jest wystarczaj\u0105ce napi\u0119cie (VIN &gt; 0,7 V). W rezultacie tranzystor dzia\u0142a jak zwarcie. Gdy na wej\u015bcie nie jest podawane napi\u0119cie lub jest ono zerowe, tranzystor <strong>pracuje w obszarze odci\u0119cia i dzia\u0142a jak obw\u00f3d otwarty<\/strong>. W tego typu po\u0142\u0105czeniu prze\u0142\u0105czaj\u0105cym obci\u0105\u017cenie (w tym przypadku <a href=\"https:\/\/botland.com.pl\/65-diody-led-i-akcesoria\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">dioda LED<\/a>) jest po\u0142\u0105czone z wyj\u015bciem prze\u0142\u0105czaj\u0105cym za pomoc\u0105 punktu odniesienia. Gdy tranzystor jest w\u0142\u0105czony, pr\u0105d przep\u0142ywa od \u017ar\u00f3d\u0142a do masy przez obci\u0105\u017cenie. <a href=\"https:\/\/botland.com.pl\/tranzystory-npn\/18995-tranzystor-bipolarny-npn-2n2222a-st-5szt-5904422357931.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">Tranzystor 2N2222<\/a> mo\u017ce s\u0142u\u017cy\u0107 tak\u017ce jako prze\u0142\u0105cznik <strong>w obwodzie z dwoma rezystorami<\/strong>, gdzie rezystor wej\u015bciowy ogranicza pr\u0105d bazy tranzystora, a drugi rezystor steruje diod\u0105 LED w linii kolektora. Tranzystor zaczyna dzia\u0142a\u0107 po zamkni\u0119ciu prze\u0142\u0105cznika, a odst\u0119py czasu w\u0142\u0105czania i wy\u0142\u0105czania diody LED s\u0105 kontrolowane przez warto\u015b\u0107 rezystancji.<\/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-3deb7b4 elementor-widget elementor-widget-heading\" data-id=\"3deb7b4\" 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\">Tranzystor jako wzmacniacz amplitudy sygna\u0142u<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc5c579 elementor-widget elementor-widget-text-editor\" data-id=\"fc5c579\" 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><strong>Obw\u00f3d wzmacniacza<\/strong> mo\u017cna zdefiniowa\u0107 jako obw\u00f3d u\u017cywany do zwi\u0119kszania amplitudy sygna\u0142u. Wej\u015bciem wzmacniacza jest napi\u0119cie lub pr\u0105d, a wyj\u015bciem jest wzmocniony sygna\u0142 wej\u015bciowy. Tranzystor mo\u017ce odbiera\u0107 s\u0142aby sygna\u0142 przez z\u0142\u0105cze bazowe i<strong> uwalnia\u0107 wzmocniony sygna\u0142 przez kolektor<\/strong>. Tranzystory s\u0105 powszechnie stosowane w RF (cz\u0119stotliwo\u015b\u0107 radiowa), OFC (komunikacja \u015bwiat\u0142owodowa), wzmocnieniu d\u017awi\u0119ku i innych zastosowaniach. Zwykle u\u017cywamy konfiguracji wsp\u00f3lnego emitera, aby tranzystor dzia\u0142a\u0142 jako wzmacniacz.<\/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>Tranzystor bipolarny NPN 2N2222 umo\u017cliwia przenoszenie obci\u0105\u017ce\u0144 pr\u0105dowych ci\u0105g\u0142ych do 800mA i \u015bwietnie sprawdza si\u0119 w uk\u0142adach radiowych i audio!<\/p>\n","protected":false},"author":22,"featured_media":90820,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-81370","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 v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2N2222 - Co to jest? 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