{"id":11366,"date":"2025-11-13T09:28:32","date_gmt":"2025-11-13T09:28:32","guid":{"rendered":"https:\/\/savethevideo.net\/blog\/?p=11366"},"modified":"2025-11-13T09:31:38","modified_gmt":"2025-11-13T09:31:38","slug":"220-ohm-resistor-color-code-how-to-read","status":"publish","type":"post","link":"https:\/\/savethevideo.net\/blog\/220-ohm-resistor-color-code-how-to-read\/","title":{"rendered":"220-ohm resistor color code (how to read)"},"content":{"rendered":"<p>Color-coded resistors are a fundamental component in electronic circuits, and being able to read them accurately is a vital skill for anyone working with electronics. Among the many resistor values, the <em>220-ohm resistor<\/em> is a commonly used one due to its low resistance, making it suitable for current-limiting applications, like protecting LEDs. Understanding the resistor color code system is essential not only for identifying component values but also for troubleshooting and designing circuits.<\/p>\n<h3>TLDR (Too Long, Didn&#8217;t Read)<\/h3>\n<p>A 220-ohm resistor typically has a color code of <strong>Red, Red, Brown<\/strong> for 220 ohms with a \u00b120%, \u00b110%, or \u00b15% tolerance indicated by the fourth band. Understanding the resistor color code involves knowing that the first two bands represent digits, the third is a multiplier, and the fourth (if present) shows tolerance. 220 ohm is a common value used in electronics, especially for limiting current to LEDs. Learning how to interpret these bands by color will make identifying resistors faster and more accurate.<\/p>\n<h2>Understanding the Resistor Color Code<\/h2>\n<p>The resistor color code is a standardized method of indicating resistance values using colored bands printed directly onto the resistor body. These bands represent numbers, which when interpreted together, reveal the resistance value in ohms.<\/p>\n<p>Most fixed resistors use a <strong>4-band, 5-band,<\/strong> or sometimes a <strong>6-band<\/strong> coding system. The 220-ohm resistor is usually found in the 4-band or 5-band variation depending on its precision and manufacturer.<\/p>\n<h3>The Basic Color Code Chart<\/h3>\n<p>Here is the standard color code chart used for resistor color codes:<\/p>\n<ul>\n<li><strong>Black<\/strong> \u2013 0<\/li>\n<li><strong>Brown<\/strong> \u2013 1<\/li>\n<li><strong>Red<\/strong> \u2013 2<\/li>\n<li><strong>Orange<\/strong> \u2013 3<\/li>\n<li><strong>Yellow<\/strong> \u2013 4<\/li>\n<li><strong>Green<\/strong> \u2013 5<\/li>\n<li><strong>Blue<\/strong> \u2013 6<\/li>\n<li><strong>Violet<\/strong> \u2013 7<\/li>\n<li><strong>Gray<\/strong> \u2013 8<\/li>\n<li><strong>White<\/strong> \u2013 9<\/li>\n<\/ul>\n<p>And for multiplier values (third or fourth band depending on the type):<\/p>\n<ul>\n<li><strong>Black<\/strong> \u2013 \u00d71<\/li>\n<li><strong>Brown<\/strong> \u2013 \u00d710<\/li>\n<li><strong>Red<\/strong> \u2013 \u00d7100<\/li>\n<li><strong>Orange<\/strong> \u2013 \u00d71,000<\/li>\n<li><strong>Yellow<\/strong> \u2013 \u00d710,000<\/li>\n<li><strong>Green<\/strong> \u2013 \u00d7100,000<\/li>\n<li><strong>Blue<\/strong> \u2013 \u00d71,000,000<\/li>\n<li><strong>Gold<\/strong> \u2013 \u00d70.1<\/li>\n<li><strong>Silver<\/strong> \u2013 \u00d70.01<\/li>\n<\/ul>\n<h2>The 4-Band 220-Ohm Resistor<\/h2>\n<p>Most commonly, a 220-ohm resistor appears as a <strong>4-band resistor<\/strong>. This includes:<\/p>\n<ul>\n<li><strong>First band:<\/strong> Red \u2013 2<\/li>\n<li><strong>Second band:<\/strong> Red \u2013 2<\/li>\n<li><strong>Third band:<\/strong> Brown \u2013 \u00d710<\/li>\n<li><strong>Fourth band (tolerance):<\/strong> Gold or Silver, usually Gold for \u00b15% tolerance<\/li>\n<\/ul>\n<p>Putting this together: 2 (Red) and 2 (Red) gives &#8220;22&#8221;. Multiply this &#8220;22&#8221; by 10 (Brown), and you get <strong>220 ohms<\/strong>.<\/p>\n<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"810\" src=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/a-close-up-of-a-circuit-board-with-many-electronic-components-220-ohm-resistor-color-bands-electronics.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/a-close-up-of-a-circuit-board-with-many-electronic-components-220-ohm-resistor-color-bands-electronics.jpg 1080w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/a-close-up-of-a-circuit-board-with-many-electronic-components-220-ohm-resistor-color-bands-electronics-300x225.jpg 300w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/a-close-up-of-a-circuit-board-with-many-electronic-components-220-ohm-resistor-color-bands-electronics-1024x768.jpg 1024w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/a-close-up-of-a-circuit-board-with-many-electronic-components-220-ohm-resistor-color-bands-electronics-768x576.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\n<h2>The 5-Band 220-Ohm Resistor<\/h2>\n<p>Some 220-ohm resistors, especially ones made for more precision applications, may use a <strong>5-band format<\/strong>. In this case, the format is slightly different: the first three bands are digits, the fourth is the multiplier, and the fifth is the tolerance.<\/p>\n<ul>\n<li><strong>First band:<\/strong> Red \u2013 2<\/li>\n<li><strong>Second band:<\/strong> Red \u2013 2<\/li>\n<li><strong>Third band:<\/strong> Black \u2013 0<\/li>\n<li><strong>Fourth band:<\/strong> Brown \u2013 \u00d710<\/li>\n<li><strong>Fifth band:<\/strong> Brown or Gold, depending on tolerance<\/li>\n<\/ul>\n<p>This gives you &#8220;220&#8221; \u00d7 10 = <strong>2200 ohms<\/strong>. But <strong>be cautious<\/strong>; if you encounter a 5-band resistor with &#8220;Red, Red, Black, Black&#8221; as the first four bands, it would actually represent &#8220;220&#8221; \u00d7 1 = <strong>220 ohms<\/strong>.<\/p>\n<p>Make sure to <em>check the manufacturer\u2019s datasheet<\/em> when in doubt, especially with uncommon color combinations.<\/p>\n<h2>Why 220 Ohms Are Common<\/h2>\n<p>The 220-ohm resistor is widely used in electronics for the following reasons:<\/p>\n<ul>\n<li><strong>Safe current limiting:<\/strong> Perfect for controlling current to LEDs and other low-power components.<\/li>\n<li><strong>Standard E12 value:<\/strong> Part of the commonly available E12 series of preferred resistor values.<\/li>\n<li><strong>Easily available:<\/strong> Manufactured in large quantities, available in various tolerance levels.<\/li>\n<\/ul>\n<p>For example, if you are using a 5V supply and driving an LED with a forward voltage drop of around 2V, the 220-ohm resistor can be used to limit current to around 13 mA:<\/p>\n<p><strong>I = (V &#8211; Vf) \/ R = (5V &#8211; 2V) \/ 220\u2126 \u2248 13.6 mA<\/strong><\/p>\n<p>This current is within safe limits for standard 5mm LEDs, making the 220-ohm resistor a <em>go-to choice<\/em> for beginners and pros alike.<\/p>\n<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1440\" src=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/led-bulb-led-circuit-resistor-current-limiting.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/led-bulb-led-circuit-resistor-current-limiting.jpg 1080w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/led-bulb-led-circuit-resistor-current-limiting-225x300.jpg 225w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2025\/11\/led-bulb-led-circuit-resistor-current-limiting-768x1024.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\n<h2>Tips for Reading Resistor Colors Accurately<\/h2>\n<p>Sometimes it&#8217;s tricky to identify colors, especially in poor lighting or with aged components. Here are some tips:<\/p>\n<ul>\n<li><strong>Use a magnifying glass:<\/strong> To better distinguish between similar colors like red and orange.<\/li>\n<li><strong>Look for the tolerance band:<\/strong> It&#8217;s usually spaced further apart and is either gold or silver, which helps you know where to start reading.<\/li>\n<li><strong>Check both sides:<\/strong> If unsure, check if the resistor has any indicators to show orientation (rare but helpful).<\/li>\n<\/ul>\n<h2>Common Mistakes to Avoid<\/h2>\n<ul>\n<li><em>Reading the colors in the wrong direction<\/em> \u2013 Always start from the side where the bands are closest together.<\/li>\n<li><em>Confusing similar colors<\/em> \u2013 Red and orange, gold and brown can look alike; take your time.<\/li>\n<li><em>Assuming 4-band strip when it&#8217;s actually 5 or more<\/em> \u2013 Misjudging the band count can lead you to incorrect values.<\/li>\n<\/ul>\n<h2>Frequently Asked Questions (FAQs)<\/h2>\n<ul>\n<li>\n    <strong>Q: What is the color code for a 220-ohm resistor?<\/strong><br \/>\n    <em>A:<\/em> The color code is usually <strong>Red, Red, Brown<\/strong> for a 4-band resistor. The fourth band may be gold or silver, indicating tolerance.\n  <\/li>\n<li>\n    <strong>Q: Can a 220-ohm resistor damage an LED?<\/strong><br \/>\n    <em>A:<\/em> No, 220 ohms is commonly used to protect LEDs by limiting current. It&#8217;s considered a safe value for standard LEDs.\n  <\/li>\n<li>\n    <strong>Q: How do I tell if my resistor is 220 ohms without reading the color bands?<\/strong><br \/>\n    <em>A:<\/em> Use a multimeter set to the ohms (\u03a9) setting. Place each lead to either side of the resistor and read the display.\n  <\/li>\n<li>\n    <strong>Q: Is there a difference between 4-band and 5-band 220-ohm resistors?<\/strong><br \/>\n    <em>A:<\/em> Yes, both indicate 220 ohms but use different coding formats. 5-band resistors are typically more precise and include an extra digit before the multiplier.\n  <\/li>\n<li>\n    <strong>Q: What happens if I use a resistor with the wrong value?<\/strong><br \/>\n    <em>A<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Color-coded resistors are a fundamental component in electronic circuits, and being able to read them accurately is a vital skill for anyone working with electronics. Among the many resistor values, &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"220-ohm resistor color code (how to read)\" class=\"read-more button\" href=\"https:\/\/savethevideo.net\/blog\/220-ohm-resistor-color-code-how-to-read\/#more-11366\" aria-label=\"Read more about 220-ohm resistor color code (how to read)\">Read more<\/a><\/p>\n","protected":false},"author":88,"featured_media":10896,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[495],"tags":[],"class_list":["post-11366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>220-ohm resistor color code (how to read) - Save the Video Blog<\/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:\/\/savethevideo.net\/blog\/220-ohm-resistor-color-code-how-to-read\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"220-ohm resistor color code (how to read) - Save the Video Blog\" \/>\n<meta property=\"og:description\" content=\"Color-coded resistors are a fundamental component in electronic circuits, and being able to read them accurately is a vital skill for anyone working with electronics. 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