ECO SOLDER alloys and their various forms

SMIC offers an array of solutions in the form of the following alloys and forms that suit various objectives and applications.

ECO
SOLDER
Alloy composition (wt%)
Melting temp. (°C) Product forms
Solidus
line
Peak
temp.
Liquidus
line
BAR CORE Solder Balls PASTE PRE
FORM
M-series Solidus temperature 200°C to 250°C
M705 Sn-3.0Ag-0.5Cu 217 219 220
M705RK Sn-3.0Ag-0.5Cu-x 219 221 221        
M30 Sn-3.5Ag 221 223 223
M31 Sn-3.5Ag-0.75Cu 217 219 219
M714 Sn-3.8Ag-0.7Cu 217 219 220
M715 Sn-3.9Ag-0.6Cu 217 219 226
M710 Sn-4.0Ag-0.5Cu 217 219 229
M34 Sn-1.0Ag-0.5Cu 217 219 227
M771 Sn-1.0Ag-0.7Cu 217 219 224
M35 Sn-0.3Ag-0.7Cu 217 219 227
M20 Sn-0.75Cu 227 229 229
M20RK Sn-0.75Cu-x 227 229 229        
M24MT Sn-0.7Cu-Ni-P-Ge 228 230 230
M24AP Sn-0.6Cu-Ni-P-Ge 227 228 228
M805E Sn-0.3Bi-0.7Cu-P 225 229 229
M40 Sn-1.0Ag-0.7Cu-Bi-In 211 222 222  
M47 Sn-0.3Ag-0.7Cu-0.5Bi-Ni 216 228 228
M773 Sn-0.7Cu-0.5Bi-Ni 225 229 229
M794 Sn-3.4Ag-0.7Cu-Bi-Sb-Ni-x 210 221 221
M731 Sn-3.9Ag-0.6Cu-3.0Sb 221 224 226
M716 Sn-3.5Ag-0.5Bi-8.0In 196 208 214    
M10 Sn-5.0Sb 240 243 243
M14 Sn-10Sb 245 248 266
M709 Sn-0.5Ag-6.0Cu 217 226 378        
M760HT Sn-5.0Cu-0.15Ni-x 228 229 365        
M711 Sn-0.5Ag-4.0Cu 217 226 344        
M60 Sn-2.3Ag-Ni-Co 221 222 225  
M770 Sn-2.0Ag-Cu-Ni 218 220 224
M758 Sn-3.0Ag-0.8Cu-Bi-Ni 205 215 215  
M806 Sn-3.5Ag-0.8Cu-Bi-Ni 203 214 214  
M807 Sn-3.5Ag-0.8Cu-Bi-Ni 214 219 219  
M725 Sn-0.7Cu-Ni-P 228 230 230
L-series Solidus temperature:200°C or lower
L20 Sn-58Bi 139 141 141
  • ・Peak temp.: Endothermic peak on a DSC (Differential Scanning Calorimetry) curve.
  • ・Some alloy compositions may not be available in certain forms with special product size and grade.
  • ・For inquiries regarding alloy compositions not listed, contact our sales representative. Alternatively, use the Contact Form to send your inquiries.

 

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