TYPE
5
SOLDER POWDER
SAC305
TECHNICAL DATA SHEET
LOT: 20260306C2
ALL PARAMETERS PASS
Core Performance Metrics
Sphericity
0.952
Standard > 0.900
▲ ▲ +5.8% above minimum
In-Range (15–25 μm)
95.2%
Standard > 90%
▲ Exceeds by 5.2 pts
Oxygen Content
100ppm
Standard < 150 ppm
✓ 33% below limit
Total Impurities
0.0316%
Standard < 0.200%
▼ Only 15.8% of limit
Particle Size Distribution — 2,138 Particles Analyzed · Avg. Diameter 20.6 μm
95.20%
95.20%
4.60%
0.20%
IPC J-STD-005 Type 5 requires >90% within 15–25 μm · Standard: <10% fine, <10% coarse
Ultra-narrow distribution ensures consistent paste rheology and fine-pitch printability.
Ultra-narrow distribution ensures consistent paste rheology and fine-pitch printability.
Avg. ⌀ 20.6 μm
Sphericity vs. Competing Technologies
0.952
SPHERICITY
Lingsko
Ultrasonic Process
Ultrasonic Process
⬤ Lingsko — Ultrasonic Atomization0.952
+5.8% above IPC minimum · Industry Leading
◯ IPC J-STD-006 Minimum0.900
◯ Typical Gas Atomization~ 0.850
Higher sphericity = better paste flow, uniform deposit volume, improved printability at <0.3mm pitch — critical for AI chip packaging & flip chip applications.
Chemical Composition — SAC305 Full Analysis (wt%)
| Element | Measured Result | Standard Range | Compliance | Status |
|---|---|---|---|---|
| Major Elements | ||||
Sn Tin — Base Metal MAJOR |
Balance (R) |
Balance |
PASS | |
Ag Silver MAJOR |
2.960% |
3.0% ± 0.2% |
PASS | |
Cu Copper MAJOR |
0.502% |
0.5% ± 0.2% |
PASS | |
| Impurity Elements | ||||
Pb Lead — RoHS Critical IMPURITY |
0.0035% |
≤ 0.1000% |
PASS | |
Bi Bismuth IMPURITY |
0.0051% |
≤ 0.1000% |
PASS | |
Sb Antimony IMPURITY |
0.0084% |
≤ 0.1000% |
PASS | |
Zn Zinc IMPURITY |
0.0001% |
≤ 0.0010% |
PASS | |
Al Aluminum IMPURITY |
0.0010% |
≤ 0.0010% |
PASS | |
As Arsenic IMPURITY |
0.0025% |
≤ 0.0300% |
PASS | |
Au Gold IMPURITY |
0.0002% |
≤ 0.0500% |
PASS | |
Cd Cadmium IMPURITY |
0.0001% |
≤ 0.0020% |
PASS | |
Co Cobalt IMPURITY |
0.0008% |
≤ 0.0500% |
PASS | |
Fe Iron IMPURITY |
0.0039% |
≤ 0.0200% |
PASS | |
In Indium IMPURITY |
0.0005% |
≤ 0.1000% |
PASS | |
Ni Nickel IMPURITY |
0.0021% |
≤ 0.0100% |
PASS | |
P Phosphorus IMPURITY |
0.0005% |
≤ 0.0500% |
PASS | |
S Sulfur IMPURITY |
0.0019% |
≤ 0.0500% |
PASS | |
Se Selenium IMPURITY |
0.0025% |
≤ 0.1000% |
PASS | |
Σ Total Impurities SUMMARY |
0.0316% |
≤ 0.2000% |
PASS | |
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www.lingsko.com