{"id":5358,"date":"2026-06-09T11:30:08","date_gmt":"2026-06-09T11:30:08","guid":{"rendered":"https:\/\/materialparts.com\/tlp291-4gb-tpet\/"},"modified":"2026-06-09T11:30:08","modified_gmt":"2026-06-09T11:30:08","slug":"tlp291-4gb-tpet","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/tlp291-4gb-tpet\/","title":{"rendered":"TLP291-4(GB-TPE(T"},"content":{"rendered":"<h2>Productos<\/h2>\n<p>TLP291-4(GB-TPE(T from Toshiba is a 4-channel phototransistor optocoupler with CTR 50-300%@5mA, 3750Vrms isolation, 80V VCEO. SOIC-16.<\/p>\n<h2>Principio de funcionamiento<\/h2>\n<p>Four isolated phototransistor channels in one SOIC-16 package. 3750Vrms isolation per channel. CTR grade GB = 50-300% at IF=5mA. High-density isolation applications.<\/p>\n<h2>Pin Description<\/h2>\n<table>\n<tr>\n<th>Pin<\/th>\n<th>Nombre<\/th>\n<th>Funci\u00f3n<\/th>\n<\/tr>\n<tr>\n<td>1,3,5,7<\/td>\n<td>\u00c1nodo<\/td>\n<td>LED anodes<\/td>\n<\/tr>\n<tr>\n<td>2,4,6,8<\/td>\n<td>C\u00e1todo<\/td>\n<td>LED cathodes<\/td>\n<\/tr>\n<tr>\n<td>9,11,13,15<\/td>\n<td>Emisor<\/td>\n<td>PT emitters<\/td>\n<\/tr>\n<tr>\n<td>10,12,14,16<\/td>\n<td>Colector<\/td>\n<td>PT collectors<\/td>\n<\/tr>\n<\/table>\n<h2>Aplicaciones<\/h2>\n<ul>\n<li>PLC I\/O isolation<\/li>\n<li>Industrial control<\/li>\n<li>Power supply feedback<\/li>\n<\/ul>\n<h2>Alternative Models<\/h2>\n<table>\n<tr>\n<th>Mfr<\/th>\n<th>Part<\/th>\n<th>Notas<\/th>\n<\/tr>\n<tr>\n<td>Vishay<\/td>\n<td>SFH6741<\/td>\n<td>Similar quad opto<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Product Overview TLP291-4(GB-TPE(T from Toshiba is a 4-channel phototransistor optocoupler with CTR 50-300%@5mA, 3750Vrms isolation, 80V VCEO. SOIC-16. Working Principle Four isolated phototransistor channels in one SOIC-16 package. 3750Vrms isolation per channel. CTR grade GB = 50-300% at IF=5mA. High-density isolation applications. Pin Description Pin Name Function 1,3,5,7 Anode LED anodes 2,4,6,8 Cathode LED cathodes [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[169],"class_list":["post-5358","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-toshiba"],"acf":{"brief_explanation":"Quad optocoupler, CTR 50-300%, 3750Vrms, SOIC-16","date_code":"","package_case":"SOIC-16 (10.3x7.5mm, 1.27mm pitch)","in_stock":10879,"datasheet":"https:\/\/toshiba.semicon-storage.com\/product\/opto\/detail.TLP291-4.html","price":"$1.65 @ 1ku","product_introduction":"TLP291-4(GB-TPE(T from Toshiba is a 4-channel phototransistor optocoupler with CTR 50-300%@5mA, 3750Vrms isolation, 80V VCEO. SOIC-16.","working_principle":"Four isolated phototransistor channels in one SOIC-16 package. 3750Vrms isolation per channel. CTR grade GB = 50-300% at IF=5mA. High-density isolation applications.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1,3,5,7<\/td><td>Anode<\/td><td>LED anodes<\/td><\/tr><tr><td>2,4,6,8<\/td><td>Cathode<\/td><td>LED cathodes<\/td><\/tr><tr><td>9,11,13,15<\/td><td>Emitter<\/td><td>PT emitters<\/td><\/tr><tr><td>10,12,14,16<\/td><td>Collector<\/td><td>PT collectors<\/td><\/tr><\/table>","application_scenarios":"<ul><li>PLC I\/O isolation<\/li><li>Industrial control<\/li><li>Power supply feedback<\/li><\/ul>","alternative_models":"<table><tr><th>Mfr<\/th><th>Part<\/th><th>Notes<\/th><\/tr><tr><td>Vishay<\/td><td>SFH6741<\/td><td>Similar quad opto<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=5358"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5358\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5358"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}