Silver solder PSrOS 3.5-95
Silver solder PSrOS 3.5-95 from Ecotec: a two-component alloy of silver and copper, eutectic with melting point 95°C, GOST 19738-2015, ideal for electronic connections.
Description: PSrOS 3.5-95 solder is a two-component silver-copper alloy supplied per GOST 19738-2015.
Regulatory documentation: PSrOS 3.5-95 solders are manufactured in accordance with GOST 19738-2015, PSrOS 3.5-95 wire — GOST 19746-2015, PSrOS 3.5-95 strip — GOST 19739-2015.
Chemical composition of silver solders:
|
Solder grade |
Chemical composition, % |
|||||||||||||
|
Ag |
Cu |
Zn |
Sn |
Mn |
Sb |
P |
Cd |
Ni |
Pb |
Impurities not more than |
||||
|
Pb |
Fe |
Bi |
Sum of determined impurities |
|||||||||||
|
PSrOS 3.5-95 |
3.5±0.4 |
— |
— |
Balance |
— |
— |
— |
— |
— |
1.0±0.3 |
— |
0.15 |
0.010 |
0.15 |
Solder dimensions:
|
Solder grade |
Thickness, mm |
Width, mm |
Length, mm |
|||
|
Min |
Max |
Min |
Max |
Min |
Max |
|
|
PSrOS 3.5-95 |
0.1 |
5 |
50 |
200 |
100 |
400 |
Wire diameter:
|
Wire grade |
Diameter, mm |
|
|
Min |
Max |
|
|
PSrOS 3.5-95 |
0.5 |
6 |
Melting point, density and electrical resistivity:
|
Solder grade |
Density, kg/m3 |
Melting point, K (°C) |
Electrical resistivity, 10-3 Ohm·m |
|
|
Upper critical point |
Lower critical point |
|||
|
PSrOS 3.5-95 |
7400 |
497 (224) |
493 (220) |
12.3 |
Applications:
Solder PSrOS 3.5-95 is used for soldering and tinning of copper, nickel, copper-nickel alloys with silver-plated ceramics, and soldering of silver-plated parts.
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