Solder

Solder, or solder wire, is a fusible metal alloy with a low temperature melting point used to permanently join two metals that have a higher melting point. Soldering is a process commonly used in the electronics industry for PCBs and electronics components, jewellery manufacturing and pipework in plumbing, with the majority of soldering carried out through the use of a soldering iron.

Our range of solder wire contains products from industry leaders like Felder Lottechnik, MBO, Multicore, Weller and RS PRO, with a variety of wire diameters (ranging from 0.23mm to 7mm) and lead content (0% to 70%).

What is solder made of?

The alloys used in solder vary depending on the manufacturer and the intended application, as different applications require different materials.

Soft solder is commercially available at varying concentrations of tin, ranging from 5% to 70%. Higher percentages of tin provide greater tensile strength, with a 60/40 balance being a popular composition.

Lead-free solder is also available, created due to the call to remove or reduce hazardous materials in consumer electronics, which often has a lower melting point than lead-based alloys. Lead-free solder wire may contain copper, zinc, tin, silver, bismuth, antimony and/or traces of other materials depending on its intended use.

What is flux?

In order to prevent the oxidation of the metal alloy and ensure a strong electrical connection and high mechanical strength, soldering wire contains a flux, which can be made of different materials. A flux is a chemical agent that will help to reduce metal oxides (return oxidised metals to their original state) and seal out air from the join, preventing any further oxidation.

There are two main types of flux: acid/active, which contains strong acids and is used in plumbing and metal mending, and rosin/passive, which is used in electronics.

What forms of solder are there?

The majority of solder comes in wire form, with a range of wire diameters available to suit various applications and joints. Solder granules are ideal for soldering machines and tinning crucibles, but these small pellets of solder popular for jewellery making too. Paste solder is ideal for use in printed circuit boards (PCBs) and connecting surface mount electronic components. It is a sticky paste which is applied to a board by printing or painting.


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Omschrijving Prijs Model Number Wire Diameter Percent Lead Product Form Melting Point Percent Silver Percent Tin Flux Type Product Weight Flux Content Percent Percent Copper
RS-stocknr. 624-6612
Fabrikantnummer551894072037
€ 22,86
Each
Aantal stuks
ISO 0.75mm - Wire 227°C - 99.3% Rosin Based 250g 2.5% 0.7%
RS-stocknr. 179-6668
FabrikantRS PRO
€ 40,45
Each
Aantal stuks
RA300 0.5mm 40% Wire 183°C - 60% Rosin 500g 2.2% -
RS-stocknr. 179-6673
FabrikantRS PRO
€ 16,09
Each
Aantal stuks
RA300 1.2mm 40% Wire 183°C - 60% Rosin 250g 2.2% -
RS-stocknr. 104-7252
Fabrikantnummer18.601.54037
€ 49,17
Each
Aantal stuks
ISO-Core RA 1.5mm 40% Wire 183°C - 60% Rosin Based 1000g 2.5% -
RS-stocknr. 555-222
FabrikantnummerGRENAILLE SN99 AG0.3 CU0.7 - POT 500G
FabrikantMBO
€ 67,92
Each
Aantal stuks
- - - Granules 217°C 0.3% 99% - 500g - 0.7%
RS-stocknr. 201-3548
Fabrikantnummer5551940520 37
€ 25,39
Each
Aantal stuks
ISO-Core Clear Sn100Ni+ 0.5mm - Wire 217° C - 99.3% - 250g 3.5% 0.7%
RS-stocknr. 788-3717
FabrikantnummerT0051388399
FabrikantWeller
€ 28,40
1 Reel of 1
Reel(s)
WSW SAC LO 0.3mm - Wire 217°C 3% 96.5% Rosin 100g 3.5% 0.5%
RS-stocknr. 624-6656
Fabrikantnummer551894104037
€ 82,22
Each
Aantal stuks
ISO-Core RA 1mm - Wire 227°C - 99.3% Rosin Based 1000g 2.5% 0.7%
RS-stocknr. 179-6672
FabrikantRS PRO
€ 29,98
Each
Aantal stuks
RA300 1.2mm 40% Wire 183°C - 60% Rosin 500g 2.2% -
RS-stocknr. 201-3547
Fabrikantnummer51761020 37
€ 34,31
Each
Aantal stuks
ISO-Core Clear 0.75mm - Wire 217° C 3.0% 96.5% - 250g 3.5% 0.5%
RS-stocknr. 133-5609
Fabrikantnummer599103
FabrikantStannol
€ 29,01
Each
Aantal stuks
HS10 Fair 1mm - Wire 227°C - 99.3% Rosin Based 250g 2.5% 0.7%
RS-stocknr. 133-5608
Fabrikantnummer599102
FabrikantStannol
€ 17,02
Each
Aantal stuks
HS10 Fair 0.5mm - Wire 227°C - 99.3% Rosin Based 100g 2.5% 0.7%
RS-stocknr. 179-6671
FabrikantRS PRO
€ 16,29
Each
Aantal stuks
RA300 1mm 40% Wire 183°C - 60% Rosin 250g 2.2% -
RS-stocknr. 2508281235
Fabrikantnummer8085
FabrikantBelden
€ 139,00
Each
Aantal stuks
- - - - - - - - - - -
RS-stocknr. 2508281178
Fabrikantnummer8077
FabrikantBelden
€ 57,95
Each
Aantal stuks
- - - - - - - - - - -
RS-stocknr. 2508281184
Fabrikantnummer8078
FabrikantBelden
€ 60,29
Each
Aantal stuks
- - - - - - - - - - -
RS-stocknr. 2508281370
Fabrikantnummer8816
FabrikantBelden
€ 161,90
Each
Aantal stuks
- - - - - - - - - - -
RS-stocknr. 2508281336
Fabrikantnummer8058
FabrikantBelden
€ 53,08
Each
Aantal stuks
- - - - - - - - - - -