Sn97,1Ag2,6Cu0,3 is a standard soft solder alloy for the EMS area, which consists of Tin, Silver and Copper. This soft solder alloy is known in the technical field as SAC2603 and represents a common consumable solder in the field of PCB and cable assembly.
Delivery forms
Ingots with and without suspension
Rods Typ 3K (triangular) & 4K (quadrangular)
Massive solder and flux cored solder wires
Pellets (hemisphere sections)
Sticks® (Cylinders)
Other formats or products not listed here may be possible after consultation.
Applications
Lead-free electronic solder, which was primarily developed for general use in the following applications and soldering processes.
Wave and Selective soldering systems
Iron soldering systems
Laser soldering systems
Plasma and evaporation systems
Hand soldering
Dip tinning
Products
Pellets made from Sn97,1Ag2,6Cu0,3 (SAC2603)
6534
molded
none
without
Pellets
Pellets
6 mm
18 mm
9147
molded
none
without
Pellets
Pellets
12 mm
25 mm
9146
molded
none
without
Pellets
Pellets
10 mm
27 mm
The products shown are only a selection from our product range. Please contact us for your desired configuration of Pellets from Sn97,1Ag2,6Cu0,3 (SAC2603).
Solid solder wire made from Sn97,1Ag2,6Cu0,3 (SAC2603)
6535
2 mm
4,000 g
no
9232
3 mm
4,000 g
no
9231
2.5 mm
4,000 g
no
The products shown are only a selection from our product range. Please contact us for your desired configuration of Solid solder wire from Sn97,1Ag2,6Cu0,3 (SAC2603).
Sticks made from Sn97,1Ag2,6Cu0,3 (SAC2603)
9126
molded
none
without
square cut
Sticks
340 mm
30 mm
20 mm
1110
molded
none
without
triangular
Sticks
400 mm
10 mm
10 mm
The products shown are only a selection from our product range. Please contact us for your desired configuration of Sticks from Sn97,1Ag2,6Cu0,3 (SAC2603).
Small Sticks made from Sn97,1Ag2,6Cu0,3 (SAC2603)
9178
pressed
none
without
Sticks
Small Sticks
12 mm
8 mm
The products shown are only a selection from our product range. Please contact us for your desired configuration of Small Sticks from Sn97,1Ag2,6Cu0,3 (SAC2603).
Material properties
| Melting temperature °C | 217-224 |
| Solder wave temperature °C | ≥ 265 |
| Density g/cm³ | 7.5 |
| Hardness HB | 15 |
| Tensile strength N/mm² | n.s. |
| Stretching % | n.s. |
| Specific heat of fusion J/g | n.s. |
| Electrical conductivity μΩm | 13 |
This alloy can be stored for at least 48 months if properly stored in a clean and dry environment. For massive formats, further processing is usually possible after the specified storage period has expired but should be technically checked and approved in advance.
Chemical composition according to company standard
(Data in percent by weight)
| Element | Formular sign | Composition |
|---|---|---|
| Tin | Sn | Residue |
| Silver | Ag | 2.4-2.8 |
| Copper | Cu | 0.2-0.4 |
| Antimony | Sb | < 0.1 |
| Bismuth | Bi | < 0.1 |
| Indium | In | < 0.1 |
| Lead | Pb | < 0.07 |
| Gold | Au | < 0.05 |
| Arsenic | As | < 0.03 |
| Iron | Fe | < 0.02 |
| Nickel | Ni | < 0.01 |
| Cadmium | Cd | < 0.002 |
| Aluminium | Al | < 0.001 |
| Zinc | Zn | < 0.001 |
The data given in the table are based on internal material specification, which refers to the typical standardization data of ISO 9453.
