9 4 August, 2015
Materials for Die Attach: Solder Alloys
Melting temperature of solder alloys
100
150
200
250
300
350
400
In48Sn
Bi42Sn
In3Ag
Sn36Pb2Ag
Sn9Zn
Sn3.5Ag
Sn25Ag10Sb
Sn5Sb
Sn8Sb
Pb19In
Au20Sn
Pb5Sn2.5Ag
Pb2Sn2.5Ag
Pb5Sn
Pb1Sn1.5Ag
Alloy
Temperature in °C
Tmelt/°C Tmin/°C Tmax/°C
Melting temperature of solder alloys
100
150
200
250
300
350
400
In48Sn
Bi42Sn
In3Ag
Sn36Pb2Ag
Sn9Zn
Sn3.5Ag
Sn25Ag10Sb
Sn5Sb
Sn8Sb
Pb19In
Au20Sn
Pb5Sn2.5Ag
Pb2Sn2.5Ag
Pb5Sn
Pb1Sn1.5Ag
Alloy
Temperature in °C
Tmelt/°C Tmin/°C Tmax/°C
Temperature load
( during sub seq uent assembly processes
& pcb- soldering)