SAC405 | Pb-free Solder Spheres

LINQALLOY SAC405 solder Spheres are lead-free Tin/Silver/Copper alloys that contain 95.5% Tin (Sn), 4% Silver (Ag), and 0.5% Copper (Cu) and is often written as Sn95.5Ag4.0Cu0.5. SAC405 Solder Spheres are the more expensive of the two industry standard lead-free solder spheres (the other being SAC305) and are used by companies working with BGA, CSP, LBGA, PBGA and CBGA components who have made the transition to Lead-free (Pb-free) soldering.

Features:

• Excellent Fatigue Resistance
• Compatible with all Flux Types
• Excellent Solder Joint Reliability
• Best Wetting Sn/Ag/Cu Alloy

Each jar has a clear label on the lid specifying the solder ball diameter as well as a label on the front identifying the alloy type, the quantity of spheres in the jar, the date of manufacture, and the product lot (or batch) number. This batch number is also tied to a certificate of conformance that is also provided with the solder spheres and ensures the SAC405 solder spheres meet the following quality criteria:

• Tin (Sn): 95.5%
• Silver (Ag): 5%
• Copper (Cu): 0.5%
• Melting Temperature (Solidus): 217°C
• Melting Temperature (Liquidus): 225°C
• Sphericity : Within 1.5%

Diameter Tolerance

• 0.22mm - 0.48mm (220µm - 480µm) : ± 0.010mm (± 10µm)
• 0.50mm - 0.762mm (500µm - 762µm) : ± 0.025mm (± 25µm)