{"id":271,"date":"2017-01-03T02:41:56","date_gmt":"2017-01-02T18:41:56","guid":{"rendered":"http:\/\/www.per-accurate.com\/wp\/?p=271"},"modified":"2021-07-16T14:20:56","modified_gmt":"2021-07-16T06:20:56","slug":"how-to-tell-smd-led","status":"publish","type":"post","link":"https:\/\/www.per-accurate.com\/taiwan\/how-to-tell-smd-led\/","title":{"rendered":"How to tell SMD LED?"},"content":{"rendered":"<p style=\"margin-top: 30px;\">\n<p style=\"margin-top: 30px;\"><span lang=\"EN-US\">SMD LED is generally classified by its size( eg. 5050= 50mm x 50mm, same for&nbsp; 1210 ), 5050 is the only type can be mounted into 3 LED Chips, please see following&nbsp; <span style=\"font-size: small;\">&nbsp;<\/span>illustration:<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" alt border=\"0\" class=\"aligncenter\" height=\"250\" src=\"https:\/\/www.per-accurate.com\/images\/5050%203.JPG\" width=\"500\"><span lang=\"EN-US\">Neither 3528 nor 3020 has enough space for 2 or above chips, to judge the qty of&nbsp; LED in one bulb, necessary to calculate the numbers of LED chips but not LEDs ( eg.a bulb with 12 x 3020 SMD= 12 LED chips with 12 emitting points, a bulb with 12 x<\/span> <span lang=\"EN-US\">5050 3 CHIPS SMD= 36 LED chips with 36 emitting points) When people say that<\/span><span style=\"font-size: small;\">&nbsp;&nbsp;<\/span> <span lang=\"EN-US\">there are XX pcs SMD LEDs in one bulb, we have to notice what kind of SMD it is,<\/span><span style=\"font-size: small;\">&nbsp;&nbsp;<\/span> <span lang=\"EN-US\">because it affects how many LED chips.<\/span><\/p>\n<p><span lang=\"EN-US\">3020=3mmx 2mm&nbsp;&nbsp; Reflector Size<\/span><\/p>\n<p><span lang=\"EN-US\">3528=3.5mmx2.8mm Reflector size a.k.a 1210(.12inch x .10 inch) in the market<\/span><\/p>\n<p><span lang=\"EN-US\">*Reflector: the carrier to carry the LED chip, the white part as you can see around<\/span> <span lang=\"EN-US\">the LED in the picture. These 2 SMD LEDs usually has no difference because there is<\/span> <span lang=\"EN-US\">only.<\/span><\/p>\n<p data-placeholder=\"Click here to add text\"><\/p>","protected":false},"excerpt":{"rendered":"<p>SMD LED is generally classified by its size( eg. 5050= 50mm x 50mm, same for&nbsp; 1210 ), 5050 is the only type can be mounted into 3 LED Chips, please see following&nbsp; &nbsp;illustration: Neither 3528 nor 3020 has enough space for 2 or above chips, to judge the qty of&nbsp; LED in one bulb, necessary [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_monsterinsights_skip_tracking":false,"ocean_front_end_style_editor":"no","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","twitterCardType":"","cardImageID":0,"cardImage":"","cardTitle":"","cardDesc":"","cardImageAlt":"","cardPlayer":"","cardPlayerWidth":0,"cardPlayerHeight":0,"cardPlayerStream":"","cardPlayerCodec":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[94,95],"tags":[330],"class_list":["post-271","post","type-post","status-publish","format-standard","hentry","category-faq","category-installing","tag-purchase-guide","entry","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav","circle-sale"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v14.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to tell SMD LED? 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