ECO SOLDER alloys and their various forms

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.

Alloy composition (wt%)Melting temp. (°C)Overview
Solidus
line		PeakLiquidus
line
ECOSOLDER
M705Sn-3.0Ag-0.5Cu217219220Pb free standard solder
M31Sn-3.5Ag-0.75Cu217219219
M714Sn-3.8Ag-0.7Cu217219220
M715Sn-3.9Ag-0.6Cu217219226
M710Sn-4.0Ag-0.5Cu217219229
M771Sn-1.0Ag-0.7Cu217219224Low-Ag content / Ag-free solder
M35Sn-0.3Ag-0.7Cu217219227
M20Sn-0.75Cu227229229
M24MTSn-0.7Cu-Ni-P-Ge228230230
M24APSn-0.6Cu-Ni-P-Ge227228228
M805ESn-0.3Bi-0.7Cu-P225229229
M40Sn-1.0Ag-0.7Cu-Bi-In211222222
M814Sn-3.4Ag-0.7Cu-Bi-Sb-Ni-Co201222222High joint reliability solder
M58Sn-3.4Ag-0.7Cu-Bi-Sb-Fe-Co210221221
M731Sn-3.9Ag-0.6Cu-3.0Sb221224226
M716Sn-3.5Ag-0.5Bi-8.0In196208214
M725Sn-0.7Cu-Ni-P228230230
M725Sn-0.7Cu-Ni-P228230230Solder for power semiconductors
M10Sn-5.0Sb240243243
M14Sn-10Sb245248266
M754Sn-0.6Cu-7Sb235239242
M709Sn-0.5Ag-6.0Cu217226378Solder for terminal processing
M760HTSn-5.0Cu-0.15Ni-P-Ga228229365
M770Sn-2.0Ag-Cu-Ni218220224Highly joint reliable solder for semiconductor PKG
M850Sn-3.5Ag-0.8Cu-Bi-Ni-Co-Ge217221221
M758Sn-3.0Ag-0.8Cu-Bi-Ni205215215
M832Sn-3.5Ag-0.8Cu-Bi-Ni203214214
M807Sn-3.5Ag-0.8Cu-Bi-Ni214219219
M705RKSn-3.0Ag-0.5Cu-Fe-Zr219221221Solder for iron tip erosion prevention
M20RKSn-0.75Cu-Fe-Zr227229229
M35RKSn-0.3Ag-0.7Cu-Fe-Zr217219227
MILATERA
L20Sn-58Bi139141141Low temperature solder
L23Sn-57Bi-1Ag138140204
L27Sn-40Bi-Cu-Ni139140174
L28Sn-35Bi-Cu-Ni141143182
L29Sn-58Bi-Sb-Ni140145145
  • Peak: 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.

Pls feel free contact us which solder do you need.

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