JST-SB0307 is a low-silver SAC0307 solder bar (Sn99Ag0.3Cu0.7). It sits between SnCu and SAC305 — better wetting than silver-free alloys at a much lower cost than SAC305.
Key features
- SAC0307 alloy, melting range 217–227 °C
- Good wetting at moderate cost
- Low dross formation
- ≈ 1 kg bars, 20 kg carton
Typical applications
- Wave soldering
- Selective soldering
- Cost-optimised lead-free lines
Specifications and documents
Full technical data is listed under Additional information. Technical data sheets (TDS) and safety data sheets (SDS) are available on request. Browse all solder bar or contact our engineers for a recommendation, pricing and free samples.




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