{"product_id":"lead-free-solder-wire-sn99-3-cu0-7-flux-core-reel-50g","title":"Lead-Free Solder Wire SN99.3 Cu0.7 Flux Core Reel 50g","description":"\u003ch2\u003eHigh-Purity Lead-Free Solder Wire – Clean, Safe \u0026amp; Easy to Use\u003c\/h2\u003e\n\u003cp\u003eUpgrade your soldering work with this \u003cstrong\u003eSN99.3 Cu0.7 Lead-Free Solder Wire\u003c\/strong\u003e — a premium, environmentally friendly tin wire designed for electronics repair, PCB work, IC repair, and general electrical projects. With a high-purity alloy composition of 99.3% Tin (Sn) and 0.7% Copper (Cu), this solder wire delivers excellent conductivity, strong joints, and smooth flow every time.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Lead-Free Solder Wire?\u003c\/h3\u003e\n\u003cp\u003eTraditional lead-based solder poses health and environmental risks. This RoHS-compliant, lead-free formula is a safer choice for hobbyists, professionals, and the environment alike. Learn more about reducing hazardous materials in electronics at the U.S. EPA's guidance on hazardous substances in electronics.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead-Free Formula:\u003c\/strong\u003e SN99.3 Cu0.7 alloy — RoHS certified and environmentally friendly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2% Rosin Flux Core:\u003c\/strong\u003e Built-in flux cleans the surface during soldering for strong, reliable bonds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Spatter \u0026amp; Low Smoke:\u003c\/strong\u003e Minimal mess and fumes for a more comfortable soldering experience\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Corrosive:\u003c\/strong\u003e Won't damage sensitive components or circuit boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Solderability:\u003c\/strong\u003e Flows smoothly and sets quickly with great insulation resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Diameters Available:\u003c\/strong\u003e Choose from 0.5mm, 0.6mm, 0.8mm, or 1.0mm to suit your project\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e227°C Melting Point:\u003c\/strong\u003e Compatible with standard soldering irons\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAlloy Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSN99.3 \/ Cu0.7 (99.3% Tin, 0.7% Copper)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFlux Content\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2% Rosin Flux Core\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMelting Point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e227°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWire Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.5mm, 0.6mm, 0.8mm, 1.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e50g \/ 1.76 oz (including reel)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eElectrical repair, IC repair, PCB soldering, electronics assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRoHS Compliant, Lead-Free\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics hobbyists and DIY makers\u003c\/li\u003e\n  \u003cli\u003eProfessional PCB and IC repair technicians\u003c\/li\u003e\n  \u003cli\u003eHome electrical repair and appliance maintenance\u003c\/li\u003e\n  \u003cli\u003eAutomotive and general electrical soldering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/22awg-glass-tube-fuse-holder-5x20mm-6x30mm-screw-type-10-pack\"\u003e10-Pack 22AWG Glass Tube Fuse Holder 5x20mm \u0026amp; 6x30mm Screw\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100-pack-disposable-nitrile-gloves-latex-free-white-oil-proof\"\u003e100-Pack Disposable Nitrile Gloves – Latex-Free, White, Oil-Proof\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor safety guidelines on working with electrical components and soldering tools, refer to \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Standards\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does \"SN99.3 Cu0.7\" mean on lead-free solder wire?\u003c\/h4\u003e\n\u003cp\u003eA: SN99.3 Cu0.7 refers to the alloy composition of the solder wire — 99.3% Tin (Sn) and 0.7% Copper (Cu). This is a common lead-free formulation that meets RoHS compliance standards and provides strong, reliable solder joints with a melting point of 227°C.\u003c\/p\u003e\n\u003ch4\u003eQ: What wire diameter should I choose for electronics repair?\u003c\/h4\u003e\n\u003cp\u003eA: For fine electronics work such as IC repair and SMD components, a thinner diameter like 0.5mm or 0.6mm is recommended for precision. For larger joints, PCB through-hole soldering, or general electrical repair, 0.8mm or 1.0mm solder wire is ideal.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this solder wire safe to use indoors?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This lead-free solder wire produces less smoke and spatter than traditional leaded solder, making it safer for indoor use. However, always solder in a well-ventilated area and use appropriate eye protection. The RoHS-compliant, non-corrosive formula is designed with user safety in mind.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the 50g weight include the spool\/reel?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the stated 50g weight includes the plastic reel. The net solder wire weight will be slightly less, depending on the reel. If you need more solder, check our store for additional weight options.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does \\\"SN99.3 Cu0.7\\\" mean on lead-free solder wire?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"SN99.3 Cu0.7 refers to the alloy composition of the solder wire — 99.3% Tin (Sn) and 0.7% Copper (Cu). This is a common lead-free formulation that meets RoHS compliance standards and provides strong, reliable solder joints with a melting point of 227°C.\"}}, {\"@type\": \"Question\", \"name\": \"What wire diameter should I choose for electronics repair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For fine electronics work such as IC repair and SMD components, a thinner diameter like 0.5mm or 0.6mm is recommended for precision. For larger joints, PCB through-hole soldering, or general electrical repair, 0.8mm or 1.0mm solder wire is ideal.\"}}, {\"@type\": \"Question\", \"name\": \"Is this solder wire safe to use indoors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This lead-free solder wire produces less smoke and spatter than traditional leaded solder, making it safer for indoor use. However, always solder in a well-ventilated area and use appropriate eye protection. The RoHS-compliant, non-corrosive formula is designed with user safety in mind.\"}}, {\"@type\": \"Question\", \"name\": \"Does the 50g weight include the spool\/reel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the stated 50g weight includes the plastic reel. The net solder wire weight will be slightly less, depending on the reel. If you need more solder, check our store for additional weight options.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"0.8mm","offer_id":47710908285033,"sku":"200096263:200007693","price":26.29,"currency_code":"USD","in_stock":true},{"title":"1.0mm","offer_id":47710908317801,"sku":"200096263:200007899","price":26.36,"currency_code":"USD","in_stock":true},{"title":"0.5mm","offer_id":47710908350569,"sku":"200096263:200007694","price":26.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sa5a4a05f6aec40d28f75588365e35b19B.webp?v=1782062829","url":"https:\/\/oasis-select.com\/products\/lead-free-solder-wire-sn99-3-cu0-7-flux-core-reel-50g","provider":"Oasis Select","version":"1.0","type":"link"}