Sn98.5Ag1Cu0.5 (SAC105) Solder Balls
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* In Stock items ordered by 2:00 Pacific Time Ship same day !
* Selected sizes chosen below arein STOCK and will ship immediately.
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* Ask for a custom quote for more than 5,000,000.
SAC105 Solder Balls (Sn98.5Ag1.0Cu0.5)
SAC105 (Sn98.5Ag1.0Cu0.5) solder balls are a low-silver, lead-free tin-silver-copper alloy used for BGA and CSP ball attach, BGA rework, and drop-shock-sensitive assemblies. EasySpheres supplies SAC105 solder spheres in a range of diameters for prototype and production applications, in conformance with IPC J-STD-006, with a Certificate of Conformance on every order.
SAC105 Solder Sphere Specifications
- Alloy: Sn98.5Ag1.0Cu0.5 (SAC105), lead-free
- Applications: BGA and CSP ball attach, BGA rework, drop-shock-sensitive assemblies
- Melting range: 215 °C solidus, 227 °C liquidus
- Stock diameters: 0.050 mm to 0.889 mm range; listed SAC105 diameters on this page run from 0.200 mm to 0.760 mm (11 sizes, part number series 10-1005)
- Dimensional tolerance: Maximum dimensional tolerance ±4% (typical measured ±0.50% for 0.050 to 0.450 mm, ±1% for 0.500 to 0.550 mm, ±0.83% for 0.600 to 0.889 mm); sphericity deviation less than 1.5%; inspection illuminance greater than 270 lux.
- Quality: Alloy purity in conformance with IPC J-STD-006 (composition per J-STD-006C); Certificate of Conformance ships with every order.
- Compliance: RoHS-compliant (Directive 2011/65/EU as amended by (EU) 2015/863) and REACH-compliant; declarations available on request.
- Packaging: Medical-grade, ESD-safe containers designed to resist the surface darkening caused by transit tumbling, reducing machine-vision faults in automated ball placement systems; QR-coded for lot conformance traceability and shipping accuracy.
- Shelf life: Two years from the date of shipment from the EasySpheres facility (product held sealed in controlled inert storage until shipped).
- Minimum order: 10,000 spheres
EasySpheres warrants this product to be defect free, with alloy purity in compliance of IPC-JSTD-006 guidelines.
Size deviation shall not be greater than:
± 0.010% for sizes .0.004" ~ 0.018" (0.100mm~0.450mm)
± 0.015% for Sizes 0.020" ~ 0.022" (0.500mm~0.550mm)
± 0.020% for Sizes 0.024" ~ 0.035" (0.600mm~0.889mm)
Shelf life of 1 year is guaranteed by EasySpheres from date of purchase.
Frequently Asked Questions
What does SAC105 mean?
SAC105 designates the lead-free tin-silver-copper alloy Sn98.5Ag1.0Cu0.5: 98.5% tin, 1.0% silver, and 0.5% copper. The SAC prefix identifies a tin-silver-copper alloy and the digits give the nominal silver and copper content.
What is the melting point of SAC105?
SAC105 has a solidus of 215 °C and a liquidus of 227 °C. The wider melting range compared with SAC305 (217 to 219 °C) reflects its lower silver content and should be accounted for in the reflow profile.
What is the difference between SAC105 and SAC305 solder balls?
Silver content. SAC105 contains 1.0% silver and SAC305 contains 3.0%; both contain 0.5% copper with tin as the balance. SAC105 is typically selected for drop-shock performance and lower alloy cost; SAC305 is the more widely specified general-purpose lead-free alloy.
Is SAC105 suitable for BGA and CSP ball attach?
Yes. EasySpheres SAC105 solder spheres are supplied for BGA and CSP ball attach and BGA rework. Select the sphere diameter from the package documentation and confirm the alloy against the assembly specification.
Which SAC105 diameter should I select?
The diameter is set by the BGA or CSP package specification and pad geometry, not by pitch alone. EasySpheres lists 11 SAC105 diameters from 0.200 mm to 0.760 mm on this page, each with its own part number, and stocks other diameters in the 0.050 to 0.889 mm range on request.
Why Buy Solder Spheres from EasySpheres
- Fast shipping: most in-stock orders placed before 2:00 PM Pacific ship the same day, otherwise within 24 hours, with a greater-than-95% on-time delivery record.
- Small quantities welcomed: minimum order 10,000 spheres, with volume supply for production requirements.
- Certificate of Conformance with every shipment; technical data sheet and SDS available on the product page.
- Two-year shelf life from the date of shipment; product is held in sealed packaging in a controlled inert storage environment until it ships.
- Full lot traceability with QR-coded packaging.
- Serving approximately 1,500 customers worldwide since 2005 across semiconductor packaging, aerospace, defense, medical electronics, EMS, and BGA rework.
- Internal quality system aligned with ISO 9001:2015 principles (not externally certified); standard quality documentation available on request.
Ordering and Support FAQs
Can I order SAC105 solder spheres in small quantities?
Yes. EasySpheres supplies SAC105 solder spheres with a minimum order of 10,000 spheres and scales to production volumes. Request a quote for larger requirements.
How quickly do SAC105 solder spheres ship?
Most in-stock orders placed before 2:00 PM Pacific ship the same day; other orders ship within 24 hours. EasySpheres maintains a greater-than-95% on-time delivery record.
What documentation ships with SAC105 solder spheres?
A Certificate of Conformance ships with every order, covering alloy composition, solidus and liquidus, size distribution, and sphericity. The technical data sheet and SDS are available on the product page, and standard quality documentation is available on request.
What is the shelf life of SAC105 solder spheres?
The stated shelf life is two years from the date of shipment from the EasySpheres facility. Prior to shipment the product is retained in its original sealed packaging within a controlled inert storage environment designed to minimize exposure to moisture, oxygen, and contaminants.