{"id":17802,"date":"2024-11-29T16:56:47","date_gmt":"2024-11-29T19:56:47","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=17802"},"modified":"2024-12-02T10:15:03","modified_gmt":"2024-12-02T13:15:03","slug":"operacao-de-transistores","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/operacao-de-transistores\/","title":{"rendered":"Opera\u00e7\u00e3o de Transistores"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Opera&#xE7;&#xE3;o de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_91c116d4768f8726afc9103d203c8bdd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Transistores<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_91c116d4768f8726afc9103d203c8bdd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistores<\/a> s&#xE3;o dispositivos <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_40d6bdd1f492047a85e75c09097eff1b\" data-link=\"https:\/\/hangarmma.com.br\/blog\/semicondutores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/semicondutores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">semicondutores<\/a> que possuem pelo menos duas jun&#xE7;&#xF5;es entre materiais <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_40d6bdd1f492047a85e75c09097eff1b\" data-link=\"https:\/\/hangarmma.com.br\/blog\/semicondutores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/semicondutores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">semicondutores<\/a> do tipo <strong>n<\/strong> (com excesso de el&#xE9;trons) e tipo <strong>p<\/strong> (com falta de el&#xE9;trons). Eles funcionam como <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cc5a0a091626bb3c7d1a4a41172ca4b8\" data-link=\"https:\/\/hangarmma.com.br\/blog\/amplificadores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/amplificadores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">amplificadores<\/a> ou interruptores em circuitos eletr&#xF4;nicos, dependendo de sua configura&#xE7;&#xE3;o e <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f5da59871ee436fd87577d500aba7028\" data-link=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">polariza&#xE7;&#xE3;o<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para que um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a> opere corretamente, suas jun&#xE7;&#xF5;es precisam ser polarizadas de forma adequada. No caso de um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a> <strong>npn<\/strong>, a jun&#xE7;&#xE3;o <strong>emissor-base<\/strong> deve estar em <strong><a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c3f89844db7feef6dbc9d3217c058e29\" data-link=\"https:\/\/hangarmma.com.br\/blog\/polarizacao-direta\/\" href=\"https:\/\/hangarmma.com.br\/blog\/polarizacao-direta\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">polariza&#xE7;&#xE3;o direta<\/a><\/strong>, ou seja, o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_a53ddd2702188e7bc5f0d66edc032e92\" data-link=\"https:\/\/hangarmma.com.br\/blog\/emissor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/emissor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">emissor<\/a> deve ser mais negativo que a <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a>. Por outro lado, a jun&ccedil;&atilde;o <strong>base-coletor<\/strong> deve estar em <strong><a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f5da59871ee436fd87577d500aba7028\" data-link=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">polariza&#xE7;&#xE3;o<\/a> reversa<\/strong>, com o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f7266e8873dad7c8ceba23b3fc0a2fd7\" data-link=\"https:\/\/hangarmma.com.br\/blog\/coletor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/coletor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">coletor<\/a> sendo mais positivo em rela&ccedil;&atilde;o &agrave; <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a>. Para um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a> <strong>pnp<\/strong>, o comportamento &#xE9; oposto: o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_a53ddd2702188e7bc5f0d66edc032e92\" data-link=\"https:\/\/hangarmma.com.br\/blog\/emissor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/emissor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">emissor<\/a> deve ser mais positivo que a <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a>, e o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f7266e8873dad7c8ceba23b3fc0a2fd7\" data-link=\"https:\/\/hangarmma.com.br\/blog\/coletor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/coletor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">coletor<\/a> deve ser mais negativo que a <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f5da59871ee436fd87577d500aba7028\" data-link=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">polariza&#xE7;&#xE3;o<\/a> das jun&#xE7;&#xF5;es &#xE9; crucial para permitir o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_860c49877405ff43f6c73ed49464ba8d\" data-link=\"https:\/\/hangarmma.com.br\/blog\/fluxo-de-corrente\/\" href=\"https:\/\/hangarmma.com.br\/blog\/fluxo-de-corrente\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">fluxo de corrente<\/a> atrav&#xE9;s dos dois principais caminhos no <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a>. O caminho <strong>emissor-base<\/strong> transporta uma corrente de controle relativamente pequena (aproximadamente 1% da corrente total), enquanto o caminho <strong>emissor-coletor<\/strong> transporta a maior parte da corrente (cerca de 99%) e representa o <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_91c489c7b4ca42f1533d6f5ef808b70e\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/sinal\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/sinal\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>sinal<\/a> amplificado. Assim, a corrente que atravessa o emissor-coletor &eacute; controlada diretamente pela corrente que flui pela <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a>. Isso torna a <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a> o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_bffef08b914d0fc34e38dcb91935e2d4\" data-link=\"https:\/\/hangarmma.com.br\/blog\/elemento\/\" href=\"https:\/\/hangarmma.com.br\/blog\/elemento\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">elemento<\/a> &#x201C;controlador&#x201D; e o emissor-coletor o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_bffef08b914d0fc34e38dcb91935e2d4\" data-link=\"https:\/\/hangarmma.com.br\/blog\/elemento\/\" href=\"https:\/\/hangarmma.com.br\/blog\/elemento\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">elemento<\/a> &#x201C;controlado&#x201D; do <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A rela&#xE7;&#xE3;o entre as correntes do <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8475a091b5ac4429a52bc047365d267e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito<\/a> &#xE9; essencial para a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_86b5a5cbbca576c2cd077c4eb82df216\" data-link=\"https:\/\/hangarmma.com.br\/blog\/amplificacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/amplificacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">amplifica&#xE7;&#xE3;o<\/a>: um pequeno aumento na corrente da <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a> provoca um aumento proporcional na corrente do <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f7266e8873dad7c8ceba23b3fc0a2fd7\" data-link=\"https:\/\/hangarmma.com.br\/blog\/coletor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/coletor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">coletor<\/a>. Por outro lado, mudan&#xE7;as na tens&#xE3;o emissor-coletor t&#xEA;m impacto m&#xED;nimo na corrente nesse caminho. Esse comportamento &#xE9; fundamental para o uso dos <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_91c116d4768f8726afc9103d203c8bdd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistores<\/a> como <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cc5a0a091626bb3c7d1a4a41172ca4b8\" data-link=\"https:\/\/hangarmma.com.br\/blog\/amplificadores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/amplificadores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">amplificadores<\/a> de sinais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Limiar de ruptura<\/strong><br>Cada jun&#xE7;&#xE3;o de um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a> possui um limiar de ruptura, que &#xE9; a tens&#xE3;o m&#xED;nima necess&#xE1;ria para superar a resist&#xEA;ncia da jun&#xE7;&#xE3;o sob <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f5da59871ee436fd87577d500aba7028\" data-link=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/polarizacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">polariza&#xE7;&#xE3;o<\/a> reversa. Se a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_7889028e84fc9f14a355b305e67a9dfd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/tensao-de-ruptura\/\" href=\"https:\/\/hangarmma.com.br\/blog\/tensao-de-ruptura\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">tens&#xE3;o de ruptura<\/a> for excedida, o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a> pode ser permanentemente danificado, exigindo substitui&#xE7;&#xE3;o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Diferen&#xE7;as entre <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_91c116d4768f8726afc9103d203c8bdd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistores<\/a> npn e pnp<\/strong><br>Embora os <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_91c116d4768f8726afc9103d203c8bdd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistores<\/a> <strong>npn<\/strong> e <strong>pnp<\/strong> compartilhem princ&#xED;pios b&#xE1;sicos de opera&#xE7;&#xE3;o, eles diferem nas polaridades das tens&#xF5;es e correntes que controlam seu funcionamento. O <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a> <strong>npn<\/strong> &eacute; mais amplamente utilizado, especialmente em aplica&ccedil;&otilde;es que requerem resposta r&aacute;pida a mudan&ccedil;as de corrente na <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_b2cc1dc32dcd28dea2c5a1827ef2bbd7\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/base\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>base<\/a>, como <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_86b5a5cbbca576c2cd077c4eb82df216\" data-link=\"https:\/\/hangarmma.com.br\/blog\/amplificacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/amplificacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">amplifica&#xE7;&#xE3;o<\/a> de sinais de alta <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d27d7c865ce18efdb69555b0792fcd46\" data-link=\"https:\/\/hangarmma.com.br\/blog\/frequencia-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/frequencia-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">frequ&#xEA;ncia<\/a>. J&#xE1; os <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_91c116d4768f8726afc9103d203c8bdd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistores<\/a> <strong>pnp<\/strong> s&#xE3;o menos comuns devido &#xE0; sua resposta mais lenta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em resumo, os <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_91c116d4768f8726afc9103d203c8bdd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistores<\/a> s&#xE3;o componentes indispens&#xE1;veis para <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_86b5a5cbbca576c2cd077c4eb82df216\" data-link=\"https:\/\/hangarmma.com.br\/blog\/amplificacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/amplificacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">amplifica&#xE7;&#xE3;o<\/a> e controle de corrente em circuitos eletr&#xF4;nicos. Sua opera&#xE7;&#xE3;o depende de polariza&#xE7;&#xF5;es precisas e de um entendimento claro das caracter&#xED;sticas de cada tipo de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_be6c2d035a98625a7cf14462d2857d33\" data-link=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/transistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">transistor<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Opera\u00e7\u00e3o de Transistores Os transistores s\u00e3o dispositivos semicondutores que possuem pelo menos duas jun\u00e7\u00f5es entre materiais semicondutores do tipo n (com excesso de el\u00e9trons) e tipo p (com falta de el\u00e9trons). Eles funcionam como amplificadores ou interruptores em circuitos eletr\u00f4nicos, dependendo de sua configura\u00e7\u00e3o e polariza\u00e7\u00e3o. Para que um transistor opere corretamente, suas jun\u00e7\u00f5es precisam [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-17802","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Opera\u00e7\u00e3o de Transistores - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/operacao-de-transistores\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Opera\u00e7\u00e3o de Transistores - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Opera\u00e7\u00e3o de Transistores Os transistores s\u00e3o dispositivos semicondutores que possuem pelo menos duas jun\u00e7\u00f5es entre materiais semicondutores do tipo n (com excesso de el\u00e9trons) e tipo p (com falta de el\u00e9trons). 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