Home improvement solder for electronic and electrical repairs, engineered for clean, reliable joints, Yiapinn Solder Wire. Peace of mind for hobbyists and repair technicians who need precise, low-temperature soldering. Is the Sn99.3 Cu0.7 rosin-core option suitable for delicate circuit-board work?
⚡ At a Glance
- • Flow Performance: Smooth wetting with steady rosin flow, minimal spitting or burning
- • Best for: Hobbyists and repairers working on phones, motherboards and small appliances
- • Not ideal for: High-volume industrial soldering or workflows requiring leaded alloys
Sn99.3 Cu0.7 lead-free alloy with rosin core and 2% flux delivers efficient soldering. Melting point ranges from 183°C to 190°C for lower thermal stress during joints.
Clean, reliable joints, with low melting point
Melting point sits between 183°C and 190°C, allowing the alloy to liquefy quickly and wet pads and component leads. Low heat requirement reduces dwell time and helps prevent pad lift on PCBs.
Faster soldering cycles and reduced risk of heat damage during repairs, leading to neater joints on delicate boards.
Precise soldering for small components, with 0.8mm diameter and rosin core
Fine wire diameter (0.8mm, also offered in 0.6mm) concentrates solder flow for targeted application, while a rosin core with 2% flux promotes consistent wetting. Flux activates on heating to remove oxides and improve adhesion.
Greater control when working on small pads, SMD components and tight spaces, reducing excess solder and rework.
Safer handling and compliance, with lead-free Sn99.3 Cu0.7 alloy
Composition of 99.3% tin and 0.7% copper keeps the alloy free of lead, while refined tin and minimal impurities support electrical and thermal conductivity. Rosin-core formulation embeds flux for convenience.
Lower toxic exposure for users and suitability for consumer electronics repairs where lead-free solder is preferred.
✨ The 4 Key Reasons for Yiapinn Solder Wire
- Lead-free Sn99.3Cu0.7 - Reduces toxic exposure while keeping good conductivity for electronics
- Rosin core, 2% flux - Ensures steady solder flow and strong joint formation on PCBs
- 0.8mm diameter option - Allows precise soldering on small pads and delicate components
- Compact spool sizes - Easy to carry, store and use on the move for repairs
📋 Technical Details at a Glance
- Category: Home Improvement, Electronics Repair
- Brand: Yiapinn
- Composition: Sn99.3 Cu0.7
- Core type: Rosin core
- Flux content: 2%
❓ Frequently Asked Questions
Q: Is the solder wire lead-free?
A: Yes, composition is Sn99.3 Cu0.7, which is a lead-free alloy according to the product information.
Q: What diameters and spool weights are available?
A: Wire diameters are given as 0.032 inch and 0.024 inch (0.8mm and 0.6mm) and gross weight options include 20g, 60g and 110g.
Q: Is the solder suitable for phone and motherboard repairs?
A: Yes, the alloy and rosin-core flux are specified as suitable for a wide range of electronic repairs including cell phones and motherboards.
🏆 Our Verdict
Perfect for hobbyists and repair technicians who need neat, reliable joints on circuit boards. The combination of lead-free Sn99.3 Cu0.7 alloy, rosin-core flux and fine wire diameters makes for controlled soldering with minimal spitting. Offers dependable long-term value through safer handling and versatile spool options for small repairs.
