Sn99Ag0,3Cu0,7 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 SAC0307 and is one of the most common consumable solders 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
Solder wire made from Sn99Ag0,3Cu0,7 (SAC0307)
9387
pressed
none
without
Solder wire
1.5 mm
1 kg
9386
pressed
none
without
Solder wire
1.5 mm
500 g
5129
pressed
none
without
Solder wire
2 mm
4 kg
9230
pressed
none
without
Solder wire
2.5 mm
4 kg
2991
pressed
none
without
Solder wire
3 mm
4 kg
9385
pressed
none
without
Solder wire
1.5 mm
250 g
9384
pressed
none
without
Solder wire
1.5 mm
100 g
9383
pressed
none
without
Solder wire
1 mm
1 kg
9382
pressed
none
without
Solder wire
1 mm
500 g
9381
pressed
none
without
Solder wire
1 mm
250 g
The products shown are only a selection from our product range. Please contact us for your desired configuration of Solder wire from Sn99Ag0,3Cu0,7 (SAC0307).
Pellets made from Sn99Ag0,3Cu0,7 (SAC0307)
5139
molded
none
without
Pelllets
Pellets
6 mm
18 mm
9156
molded
none
without
Pelllets
Pellets
10 mm
27 mm
9157
molded
none
without
Pelllets
Pellets
12 mm
25 mm
The products shown are only a selection from our product range. Please contact us for your desired configuration of Pellets from Sn99Ag0,3Cu0,7 (SAC0307).
Sticks made from Sn99Ag0,3Cu0,7 (SAC0307)
1088
molded
none
without
square cut
Sticks
340 mm
30 mm
20 mm
1241
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 Sn99Ag0,3Cu0,7 (SAC0307).
Small Sticks made from Sn99Ag0,3Cu0,7 (SAC0307)
8429
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 Sn99Ag0,3Cu0,7 (SAC0307).
Material properties
| Melting temperature °C | 217-227 |
| Solder wave temperature °C | ≥ 265 |
| Density g/cm³ | 7.34 |
| Hardness HV | 14 |
| Tensile strength N/mm² | 44 |
| Stretching % | 66 |
| Specific heat of fusion J/g | n.s. |
| Electrical conductivity μΩm | n.s. |
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 ISO 9453
(Data in percent by weight)
| Element | Formular sign | Composition |
|---|---|---|
| Tin | Sn | Residue |
| Copper | Cu | 0.5-0.9 |
| Silver | Ag | 0.2-0.4 |
| Antimony | Sb | < 0.1 |
| Indium | In | < 0.1 |
| Lead | Pb | < 0.07 |
| Bismuth | Bi | < 0.06 |
| 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 the standardization data of ISO 9453.
