
T0051388299 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.32 | Condition is New, Weller T0051388299 - WSW SAC M1 solder wire (Sn96.5, Ag3.0, Cu0.5 / flux content, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $77.80 | Top Pick! Condition is Nuovo, Weller T0051388299 Lead Free Tin Coil WSW SAC M1 Sn3,0Ag0,5Cu 100g 0., shipping cost = $27.74 | 99.7% |

The Weller T0051388299 WSW-SAC M1 solder wire is a high-performance product designed for soldering applications in various industries. This solder wire comes with a Sn63.5 Ag3.0 Cu0.5 composition, which is a popular alloy for its excellent wetting characteristics and robustness towards oxidation.
The flux content in this solder wire is specifically formulated to provide optimal protection against oxidation during the soldering process. This flux is rosin-based, which helps in creating a clean and oxide-free surface for the solder to bond effectively with the metal substrate. Additionally, it reduces the likelihood of brittle intermetallic compounds forming, ensuring a strong and reliable joint.
The Weller T0051388299 WSW-SAC M1 solder wire comes in a spool with a diameter of 1.2 mm (0.047 inches) and a length of 12 meters (39.37 feet). The M1 size is suitable for medium to large-scale soldering projects, offering an ideal balance between ease of handling and the amount of solder needed.
This solder wire is designed to work efficiently with various soldering irons and equipment. Its small-diameter spool makes it easy to transport and store, ensuring that you have a constant supply of solder wire ready for your projects. The Weller T0051388299 WSW-SAC M1 solder wire is an essential tool for professionals in the electronics, automotive, and industrial sectors, among others, who require consistent and reliable soldering results.
Overall, the Weller T0051388299 WSW-SAC M1 solder wire offers excellent performance and versatility, making it an indispensable addition to any soldering station or workbench. Its high-quality Sn63.5 Ag3.0 Cu0.5 composition, rosin-based flux, and convenient size make it an ideal choice for a wide range of soldering applications.
Pros and Cons of Buying Weller T0051388299 WSW-SAC M1 Solder Wire with Sn96.5 Ag3.0 Cu0.5 Flux Content
1. **High-quality materials**: The solder wire is made of Sn96.5 Ag3.0 Cu0.5 alloy, which is a high-performance alloy commonly used in electronics manufacturing due to its excellent wetting properties and durability. The flux content ensures proper wetting and prevents oxidation during the soldering process.
2. **Weller brand reputation**: Weller is a renowned brand in the electronics industry, known for producing high-quality tools and components. This solder wire is no exception.
3. **Versatile application**: The M1 size and the Sn96.5 Ag3.0 alloy make this solder wire suitable for various electronic applications, including through-hole and surface mount soldering.
4. **RoHS compliant**: The solder wire is RoHS compliant, meaning it contains only a minimal amount of lead (0.5%) and is free of other restricted substances.
5. **Pre-tinned**: The solder wire comes pre-tinned, which saves time and effort during the soldering process.
**Cons:**1. **Cost**: Compared to other solder wire options, this Weller product can be more expensive. However, the high-quality materials and Weller brand reputation may justify the cost for some users.
2. **Limited spool size**: The spool size of this solder wire is relatively small compared to other options, which may require more frequent replacements.
**Conclusion**:The Weller T0051388299 WSW-SAC M1 Solder Wire with Sn96.5 Ag3.0 Cu0.5 Flux Content is a high-quality, versatile option suitable for various electronics applications. Its high-performance alloy, pre-tinned feature, and RoHS compliance are advantages that may outweigh its higher cost. However, its small spool size and relatively high cost are potential drawbacks.
**Recommendation**:If you are looking for a high-performance, versatile solder wire for your electronics projects, and are willing to invest in a more expensive option, the Weller T0051388299 WSW-SAC M1 Solder Wire is a recommended choice. However, if cost is a significant factor and you don't mind using a less expensive option, you may consider exploring other brands and alloys.
Details:
Wsw sac m1 solder wire SN96.5, AG3.0, CU0.5 / flux content 3.5% - 0.5mm, 100g. Please consider troubleshooting prior to making a return request. Photos are greatly appreciated.
specifications testmultimeters:
- brand: Weller
- mpn: T0051388299
- part type: Solder
- features: Wsw Sac M1 Solder Wire, Ag3.0, Cu0.5 / Flux Content 3.5 0.5mm, 100g
- upc: 037103351869
offer testmultimeters:
- in stock #: 2
- prices: $40.32–$77.80
- item condition:
- New
- Nuovo
- options: ship-to-home
- started: january 26, 2026
- sold #: 14
- availability: in stock
shipping testmultimeters:
- service: economy
- transit: 3-7 days
- type: fixed
- class: economy
seller testmultimeters:
- city: worcester, pennsylvania
- rating: 99.7%
- # reviews: 13193
returns testmultimeters:
- time: 30 days
- paid by: seller
- method: money back
- policy: returns accepted
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
payments testmultimeters:
- other
- credit card: discover
- wallet: google-pay
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