{"version":"1.0","provider_name":"mc.scsiraidguru.com","provider_url":"https:\/\/mc.scsiraidguru.com","author_name":"Michael McKenney","author_url":"https:\/\/mc.scsiraidguru.com\/index.php\/author\/scsiraidguru\/","title":"2N2222a NPN - mc.scsiraidguru.com","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"XauuzFluj8\"><a href=\"https:\/\/mc.scsiraidguru.com\/index.php\/electrical-engineering\/transistors\/2n2222a-npn\/\">2N2222a NPN<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mc.scsiraidguru.com\/index.php\/electrical-engineering\/transistors\/2n2222a-npn\/embed\/#?secret=XauuzFluj8\" width=\"600\" height=\"338\" title=\"&#8220;2N2222a NPN&#8221; &#8212; mc.scsiraidguru.com\" data-secret=\"XauuzFluj8\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/mc.scsiraidguru.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"NPN (Not Pin In) P2N2222A datasheet The 2n2222a is a switch.\u00a0\u00a0 0V to base has the transistor off.\u00a0 When you push the button it energizes the transistor allowing the circuit to complete to the emitter, which is connected to ground.\u00a0\u00a0\u00a0 So the direct connect LED math works out to be.(5V-1.5V)\/20mA = 175 ohm resistor. Usually [&hellip;]","thumbnail_url":"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:300\/h:175\/q:mauto\/f:best\/http:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/11\/2n2222a_to.png"}