{"id":6286,"date":"2025-12-11T08:29:58","date_gmt":"2025-12-11T08:29:58","guid":{"rendered":"https:\/\/technolabelectronics.com\/?post_type=product&#038;p=6286"},"modified":"2025-12-11T08:29:58","modified_gmt":"2025-12-11T08:29:58","slug":"pc817-optocoupler-dip-4-opto-isolator-ic","status":"publish","type":"product","link":"https:\/\/technolabelectronics.com\/?product=pc817-optocoupler-dip-4-opto-isolator-ic","title":{"rendered":"PC817 Optocoupler \u2013 DIP-4 | Opto-Isolator IC"},"content":{"rendered":"<p>The PC817 Optocoupler is a 4-pin DIP (Dual Inline Package) opto-isolator IC that contains a gallium arsenide infrared LED and a silicon phototransistor. It is widely used for electrical isolation between input and output circuits, offering protection and signal integrity in noisy or high-voltage environments.<\/p>\n<p>Whether you&#8217;re designing power supplies, microcontroller interfaces, or digital circuits requiring isolation, the PC817 is a cost-effective, reliable, and compact solution ideal for both industrial and DIY applications.<\/p>\n<h2>\u00a0Features<\/h2>\n<ul>\n<li>Internal IR LED and phototransistor combination<\/li>\n<li>Excellent isolation between input and output<\/li>\n<li>Compact DIP-4 package<\/li>\n<li>High collector-emitter voltage: up to 80V<\/li>\n<li>High isolation voltage: 5000 Vrms (minimum)<\/li>\n<li>Low input current requirements<\/li>\n<li>Reliable performance in industrial conditions<\/li>\n<\/ul>\n<h2>\u00a0Technical Specifications<\/h2>\n<ul>\n<li><strong>Input LED Forward Voltage &#8211;<\/strong> 1.2V (typical)<\/li>\n<li><strong>Input LED Forward Current &#8211;<\/strong> 20mA (typical)<\/li>\n<li><strong>Output Collector &#8211; <\/strong>Emitter Voltage &#8211; 80V (maximum)<\/li>\n<li><strong>Isolation Voltage &#8211;<\/strong> 5000 Vrms (1 minute)<\/li>\n<li><strong>Current Transfer Ratio (CTR) &#8211;<\/strong> 50% to 600% (depending on model)<\/li>\n<li><strong>Response Time\u00a0 &#8211;<\/strong> 4 \u00b5s (typical)<\/li>\n<li><strong>Operating Temperature\u00a0 &#8211;<\/strong> 30\u00b0C to +100\u00b0C<\/li>\n<li><strong>Package Type &#8211;<\/strong> DIP-4<\/li>\n<\/ul>\n<h2>\u00a0Applications<\/h2>\n<p><strong>Microcontroller Interfacing &#8211;<\/strong><br \/>\nIsolate microcontrollers from high-voltage components in circuits.<\/p>\n<p><strong>Switching Power Supplies &#8211;<\/strong><br \/>\nEnsure feedback and signal control with safety.<\/p>\n<p><strong>Signal Isolation &#8211;<\/strong><br \/>\nUse in industrial automation and data transmission for noise immunity.<\/p>\n<p><strong>Zero-Crossing Detectors &#8211;<\/strong><br \/>\nDetect AC line zero-crossing to control switching circuits.<\/p>\n<p><strong>Home Appliances and Consumer Electronics &#8211;<\/strong><br \/>\nIsolate logic and power sides effectively.<\/p>\n<h2>\u00a0Package Includes<\/h2>\n<p>1 x PC817 Optocoupler \u2013 DIP-4 IC<\/p>\n","protected":false},"excerpt":{"rendered":"<h2>Technical Specifications<\/h2>\n<ul>\n<li>Input LED Forward Voltage &#8211; 1.2V (typical)<\/li>\n<li>Input LED Forward Current &#8211; 20mA (typical)<\/li>\n<li>Output Collector &#8211; Emitter Voltage &#8211; 80V (maximum)<\/li>\n<li>Isolation Voltage &#8211; 5000 Vrms (1 minute)<\/li>\n<li>Current Transfer Ratio (CTR) &#8211; 50% to 600% (depending on model)<\/li>\n<li>Response Time\u00a0 &#8211; 4 \u00b5s (typical)<\/li>\n<li>Operating Temperature\u00a0 &#8211; 30\u00b0C to +100\u00b0C<\/li>\n<li>Package Type &#8211; DIP-4<\/li>\n<\/ul>\n","protected":false},"featured_media":6288,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[15],"product_tag":[787,777,784,785,790,792,788,782,791,781,786,780,789,783,682],"class_list":["post-6286","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized","product_tag-dip-4-optocoupler-india","product_tag-electronic-components-india","product_tag-microcontroller-isolation","product_tag-optocoupler-for-arduino","product_tag-optocoupler-ic-for-projects","product_tag-optocoupler-price-india","product_tag-optocoupler-use-case","product_tag-optoisolator-module","product_tag-pc817-datasheet","product_tag-pc817-dip-4-ic","product_tag-pc817-ic-buy-online","product_tag-pc817-optocoupler","product_tag-pc817-specifications","product_tag-signal-isolation-ic","product_tag-technolab-electronics","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/product\/6286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6286"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/media\/6288"}],"wp:attachment":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6286"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=6286"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=6286"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=6286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}