JST-SW0307 is a low-silver SAC0307 (Sn99Ag0.3Cu0.7) flux-cored solder wire with a no-clean flux core, available in Ø0.8 and 1.0 mm. It gives reliable lead-free joints at a lower cost than SAC305 and pairs with SAC0307 wave-solder bar.
Key features
- Low-silver SAC0307 alloy, 217–227 °C
- Lower cost than SAC305 wire
- No-clean flux core
- Ø0.8 / 1.0 mm on 50 g, 100 g, 200 g and 1 kg spools
Typical applications
- General lead-free hand soldering
- Touch-up after SAC0307 wave soldering
- Cost-sensitive assembly
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 wire or contact our engineers for a recommendation, pricing and free samples.


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