https://www.ecured.cu/index.php?action=history&feed=atom&title=4N28 2026-09-26T23:27:38Z Historial de revisiones para esta página en el wiki MediaWiki 1.31.16 https://www.ecured.cu/index.php?title=4N28&diff=4610368&oldid=prev 2025-09-22T13:18:08Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="es"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Revisión anterior</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revisión del 13:18 22 sep 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4" >Línea 4:</td> <td colspan="2" class="diff-lineno">Línea 4:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|descripcion=</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|descripcion=</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>}}</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>}}</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">&lt;div align=justify&gt;</del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''4N28''' es un&#160; optoacoplador con salida a [[fototransistor]]. &#160;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''4N28''' es un&#160; optoacoplador con salida a [[fototransistor]]. &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l40" >Línea 40:</td> <td colspan="2" class="diff-lineno">Línea 38:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://components101.com/sites/default/files/component_datasheet/4N28%20Optocoupler%20Datasheet.pdf &#160;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://components101.com/sites/default/files/component_datasheet/4N28%20Optocoupler%20Datasheet.pdf &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== <del class="diffchange diffchange-inline">Fuente </del>==</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== <ins class="diffchange diffchange-inline">Fuentes </ins>==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>John Boxall. Arduino for Arduinians: 70 Projects for the Experienced Programmer. No Starch Press, 2023</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>John Boxall. Arduino for Arduinians: 70 Projects for the Experienced Programmer. No Starch Press, 2023</div></td></tr> </table>

JorgeG Gt https://www.ecured.cu/index.php?title=4N28&diff=4610079&oldid=prev 2025-09-19T16:13:24Z

<p>Página creada con «{{Objeto|nombre=4N28 |imagen= 4N28.jpg |tamaño=193x137px |descripcion= }} &lt;div align=justify&gt; &#039;&#039;&#039;4N28&#039;&#039;&#039; es un optoacoplador con salida a <a href="/Fototransistor" title="Fototransistor">fototransistor</a>. ==Descrip…»</p> <p><b>Página nueva</b></p><div>{{Objeto|nombre=4N28<br /> |imagen= 4N28.jpg<br /> |tamaño=193x137px<br /> |descripcion=<br /> }}<br /> &lt;div align=justify&gt;<br /> <br /> '''4N28''' es un optoacoplador con salida a [[fototransistor]]. <br /> <br /> ==Descripción==<br /> <br /> [[4N28]] es un [[optoacoplador]] de un canal con salida a fototransistor con conexión a base, está compuesto de [[LED]] infrarrojo fabricado de [[arseniuro de galio]] y un fototransistor [[NPN]] fabricado de [[silicio]]. <br /> <br /> == Principales características ==<br /> <br /> Voltaje de colector emisor (Vce(br)): 70V<br /> <br /> Voltaje de aislamiento (Vrms): 5000 V<br /> <br /> Corriente directa máxima (If): 60mA<br /> <br /> Interfaces con familias lógicas comunes <br /> <br /> Capacitancia de acoplamiento de entrada y salida &lt; 0,5 pF<br /> <br /> ==Aplicaciones==<br /> <br /> Se utiliza principalmente en el procesado de señales, detección de timbre telefónico, aislamiento de tierra lógica, administración de potencia, comunicaciones y detección de redes de corriente alterna.<br /> <br /> ==Enlaces externos==<br /> <br /> https://www.vishay.com/docs/81864/4n25x000.pdf <br /> <br /> https://www.application-datasheet.com/pdf/on-semiconductor/513021/4n28.html <br /> <br /> https://datasheet4u.com/datasheet/CT-Micro/4N28-1434966 <br /> <br /> https://www.pselectronic.cz/pdf/1114/1114025.pdf <br /> <br /> https://components101.com/sites/default/files/component_datasheet/4N28%20Optocoupler%20Datasheet.pdf <br /> <br /> == Fuente ==<br /> <br /> John Boxall. Arduino for Arduinians: 70 Projects for the Experienced Programmer. No Starch Press, 2023<br /> <br /> Optoelectronics Device Data. Motorola Semiconductor Products, 1983<br /> <br /> 308 Circuits 300 series Elektor Electronics Library. Elektor International Media, 2003<br /> <br /> [[Category: Componentes electrónicos]]</div>

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