The Upgrade version includes a larger power adapter to support driving the laser and fan at full maximum power.
\n*Upgrade version compatible with 2.5amp laser drivers sold after April 2015. \u00a0Contact us if you have a driver before this date and want to upgrade.<\/p>\n
\u00a0Absolute Maximum Ratings:<\/b><\/h4>\n\n\n\nItem<\/td>\n Absolute Maximum Ratings<\/td>\n Unit<\/td>\n<\/tr>\n \nForward Current (Tc = 25\u00b0C)<\/td>\n 3<\/td>\n A<\/td>\n<\/tr>\n \nAbsolute max output optical power<\/td>\n >4<\/td>\n W<\/td>\n<\/tr>\n \nAllowable Reverse Current (Tc = 25\u00b0C)<\/td>\n 85<\/td>\n mA<\/td>\n<\/tr>\n \nOperating Case Temperature<\/td>\n 50<\/td>\n \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nElectrical \/ Optical Characteristics:<\/b><\/p>\n\n\n\nItem<\/td>\n Min<\/td>\n Typ.<\/td>\n Max<\/td>\n Unit<\/td>\n<\/tr>\n \nOptical Output Power @2.5\u00a0amps<\/td>\n <\/td>\n 4.2<\/td>\n \u00a04.5<\/td>\n W<\/td>\n<\/tr>\n \n<\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n \nDominant Wavelength<\/td>\n 435<\/td>\n <\/td>\n 455<\/td>\n nm<\/td>\n<\/tr>\n \nThreshold Current<\/td>\n 80<\/td>\n <\/td>\n 220<\/td>\n mA<\/td>\n<\/tr>\n \nOperating Voltage<\/td>\n 3.7<\/td>\n <\/td>\n 5.5<\/td>\n V<\/td>\n<\/tr>\n \nFocused Spot Size<\/td>\n 0.011<\/td>\n 0.014<\/td>\n <\/td>\n Inches<\/td>\n<\/tr>\n \nBeam Divergence Full Angle (1\/e^2) \/\/<\/td>\n 5<\/td>\n 14<\/td>\n 25<\/td>\n deg.<\/td>\n<\/tr>\n \nBeam Divergence Full Angle (1\/e^2) \u2013 Perp<\/td>\n 30<\/td>\n 44<\/td>\n 50<\/td>\n deg.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n-Note: The beam is slightly rectangular. Focused size specification is for the long axis.<\/em>
\n-Above specifications are for reference purposes only and are subject to change.\u00a0 Figures in specifications may contain measurement errors.<\/em><\/p>\n![\"\"](\"https:\/\/jtechphotonics.com\/wp-content\/uploads\/2015\/10\/Class-4-Laser-Radiation-Sticker-4_2w-sm-300x196.jpg\")
<\/p>\n","protected":false},"excerpt":{"rendered":"
This is our new 4.2W laser that is in our 4.2W laser kits. \u00a0It can run at MFG specified 2.5amps at over 4.2W of power! \u00a0You can increase your cutting depth and decrease your engraving time by 2X!<\/p>\n
This is sold as a separate component.<\/p>\n
<\/p>\n
<\/p>\n","protected":false},"featured_media":8786,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":""},"product_brand":[],"product_cat":[150],"product_tag":[],"class_list":["post-3418","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"composite_virtual":false,"composite_layout":"","composite_add_to_cart_form_location":"","composite_editable_in_cart":false,"composite_sold_individually_context":"","composite_shop_price_calc":"","composite_components":[],"composite_scenarios":[],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"yoast_head":"\n
4.2W 445nm Laser Diode Component - J Tech Photonics, Inc.<\/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:\/\/jtechphotonics.com\/?product=3-8w-445nm-laser-diode-component\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"4.2W 445nm Laser Diode Component\" \/>\n<meta property=\"og:description\" content=\"This is our new 4.2W laser that is in our 4.2W laser kits. \u00a0It can run at MFG specified 2.5amps at over 4.2W of power! \u00a0You can increase your cutting depth and decrease your engraving time by 2X! This is sold as a separate component. \" \/>\n<meta property=\"og:url\" content=\"https:\/\/jtechphotonics.com\/?product=3-8w-445nm-laser-diode-component\" \/>\n<meta property=\"og:site_name\" content=\"J Tech Photonics, Inc.\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-23T15:33:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/jtechphotonics.com\/wp-content\/uploads\/2015\/10\/3.8W-445-nm-Laser-Diode-JTech-Photonics.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"809\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component\",\"url\":\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component\",\"name\":\"4.2W 445nm Laser Diode Component - J Tech Photonics, Inc.\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/jtechphotonics.com\\\/wp-content\\\/uploads\\\/2015\\\/10\\\/3.8W-445-nm-Laser-Diode-JTech-Photonics.jpg\",\"datePublished\":\"2015-10-21T17:27:30+00:00\",\"dateModified\":\"2023-11-23T15:33:06+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component#primaryimage\",\"url\":\"https:\\\/\\\/jtechphotonics.com\\\/wp-content\\\/uploads\\\/2015\\\/10\\\/3.8W-445-nm-Laser-Diode-JTech-Photonics.jpg\",\"contentUrl\":\"https:\\\/\\\/jtechphotonics.com\\\/wp-content\\\/uploads\\\/2015\\\/10\\\/3.8W-445-nm-Laser-Diode-JTech-Photonics.jpg\",\"width\":1000,\"height\":809},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/?product=3-8w-445nm-laser-diode-component#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/jtechphotonics.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/jtechphotonics.com\\\/?page_id=2192\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"4.2W 445nm Laser Diode Component\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/#website\",\"url\":\"https:\\\/\\\/jtechphotonics.com\\\/\",\"name\":\"J Tech Photonics, Inc.\",\"description\":\"CNC Laser Upgrade Kits\",\"publisher\":{\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/jtechphotonics.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/#organization\",\"name\":\"J Tech Photonics, Inc.\",\"url\":\"https:\\\/\\\/jtechphotonics.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/jtechphotonics.com\\\/wp-content\\\/uploads\\\/2018\\\/06\\\/J-Tech-Logo-TM-SQ-JPG.jpg\",\"contentUrl\":\"https:\\\/\\\/jtechphotonics.com\\\/wp-content\\\/uploads\\\/2018\\\/06\\\/J-Tech-Logo-TM-SQ-JPG.jpg\",\"width\":600,\"height\":600,\"caption\":\"J Tech Photonics, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/jtechphotonics.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"4.2W 445nm Laser Diode Component - J Tech Photonics, Inc.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/jtechphotonics.com\/?product=3-8w-445nm-laser-diode-component","og_locale":"en_US","og_type":"article","og_title":"4.2W 445nm Laser Diode Component","og_description":"This is our new 4.2W laser that is in our 4.2W laser kits. \u00a0It can run at MFG specified 2.5amps at over 4.2W of power! \u00a0You can increase your cutting depth and decrease your engraving time by 2X! This is sold as a separate component. 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Electrical \/ Optical Characteristics:<\/b><\/p>\n -Note: The beam is slightly rectangular. Focused size specification is for the long axis.<\/em> This is our new 4.2W laser that is in our 4.2W laser kits. \u00a0It can run at MFG specified 2.5amps at over 4.2W of power! \u00a0You can increase your cutting depth and decrease your engraving time by 2X!<\/p>\n This is sold as a separate component.<\/p>\n <\/p>\n <\/p>\n","protected":false},"featured_media":8786,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":""},"product_brand":[],"product_cat":[150],"product_tag":[],"class_list":["post-3418","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"composite_virtual":false,"composite_layout":"","composite_add_to_cart_form_location":"","composite_editable_in_cart":false,"composite_sold_individually_context":"","composite_shop_price_calc":"","composite_components":[],"composite_scenarios":[],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"yoast_head":"\n\n\n
\n Item<\/td>\n Min<\/td>\n Typ.<\/td>\n Max<\/td>\n Unit<\/td>\n<\/tr>\n \n Optical Output Power @2.5\u00a0amps<\/td>\n <\/td>\n 4.2<\/td>\n \u00a04.5<\/td>\n W<\/td>\n<\/tr>\n \n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n \n Dominant Wavelength<\/td>\n 435<\/td>\n <\/td>\n 455<\/td>\n nm<\/td>\n<\/tr>\n \n Threshold Current<\/td>\n 80<\/td>\n <\/td>\n 220<\/td>\n mA<\/td>\n<\/tr>\n \n Operating Voltage<\/td>\n 3.7<\/td>\n <\/td>\n 5.5<\/td>\n V<\/td>\n<\/tr>\n \n Focused Spot Size<\/td>\n 0.011<\/td>\n 0.014<\/td>\n <\/td>\n Inches<\/td>\n<\/tr>\n \n Beam Divergence Full Angle (1\/e^2) \/\/<\/td>\n 5<\/td>\n 14<\/td>\n 25<\/td>\n deg.<\/td>\n<\/tr>\n \n Beam Divergence Full Angle (1\/e^2) \u2013 Perp<\/td>\n 30<\/td>\n 44<\/td>\n 50<\/td>\n deg.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n-Above specifications are for reference purposes only and are subject to change.\u00a0 Figures in specifications may contain measurement errors.<\/em><\/p>\n<\/p>\n","protected":false},"excerpt":{"rendered":"