Alloy Composition List

Major Alloy Compositions & Corresponding Products

Category Alloy Name Alloy Composition Solidus Temperature Liquidus Temperature Core Solder Solder Paste Bar Solder Wire Solder
SAC305 LFM-48 Sn-3.0Ag-0.5Cu 217 220 ○(M/S) ○(K/H) ○(H)
Sn-Cu LFM-22 Sn-0.7Cu 227 227 ○(S) × ○(H) ○(H)
Low Ag LFM-86 Sn-0.3Ag-0.7Cu 217 227 ○(S) × ×
LFM-90 Sn-1.0Ag-0.7Cu 217 224 × ×
Low Melting Point LFM-65 Sn-58Bi 139 139 × × ×
LFM-70 Sn-3.5Ag-0.5Bi-8.0In 194 206 × × ×
LFM-71 Sn-3.5Ag-0.5Bi-4.0In 205 212 × × ×
High Melting Point LFM-57 Sn-5.0Sb 238 242 × × ×
LFM-74 Sn-10Sb 246 258 × × ×
Prevents Cu Leaching LFM-41 Sn-0.3Ag-2.0Cu 217 270 ○(S) × ○(H) ○(H)
LFM-59 Sn-3.0Cu 227 312 × ○(H) ○(H)
LFM-62 Sn-3.0Cu-0.5Ni 228 394 × × ○(H) ○(H)
High Strength SJM-03 Sn-0.3Ag-0.7Cu-2.0Bi-α 210 225 ○(S) × ×
SJM-10 Sn-1.0Ag-0.7Cu-2.0Bi-α 212 224 ○(S) × ×
SJM-40 Sn-4.0Ag-2.0Bi-3.0Sb-α 221 227 × ×

*○:Standard product, △:Production available ×: Production not available, (S)(M):Prevents deterioration of soldering iron tips, (K)(H):Antioxidant contained
※SJM-03、SJM-10はJP PAT No.3966554、US PAT No.7138086B2 を取得しています。