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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Description Price Model Number Wire Diameter Percent Lead Product Form Melting Point Percent Silver Percent Tin Flux Type Product Weight Flux Content Percent Percent Copper
RS Stock No. 547-344
Mfr. Part No.SN60 PB 7/10 - 3 CANAUX A11 - 100G
BrandMBO
PHP810.61
1 Reel of 100 Gram(s)
Reel(s)
SN60 PB 0.7mm 40% Wire 183°C - 60% Rosin 100g 2% -
RS Stock No. 555-272
Mfr. Part No.SN96.5 AG3 CU0.5 5/10 A11 - 100G
BrandMBO
PHP1,266.18
1 Reel of 100 Gram(s)
Reel(s)
A11 0.5mm - Wire 217°C 3% 96.5% Rosin 100g 2.2% 0.5%
RS Stock No. 555-193
Mfr. Part No.CRÈME SN96.5 AG3 CU0.5 SIRIUS 1 LF - SERINGUE MANU
BrandMBO
PHP1,282.35
Each
units
SIRIUS 1 LF - - Paste 217°C 3% 96.5% Rosin 30g 14% 0.5%
RS Stock No. 555-301
Mfr. Part No.SN96.5 AG3 CU0.5 7/10 RT15 - 100G
BrandMBO
PHP1,258.45
1 Reel of 100 Gram(s)
Reel(s)
RT15 0.7mm - Wire 217°C 3% 96.5% Rosin 100g 1.5% 0.5%
RS Stock No. 547-269
Mfr. Part No.SN60 PB 10/10 - 3 CANAUX A11 - 100G
BrandMBO
PHP749.44
1 Reel of 100 Gram(s)
Reel(s)
SN60 PB 1mm 40% Wire 183°C - 60% Rosin 100g 2% -
RS Stock No. 547-304
Mfr. Part No.SN63 PB 5/10 SANS NETTOYAGE RT15 - 500G
BrandMBO
PHP4,050.23
1 Reel of 500 Gram(s)
Reel(s)
SN63 PB 0.5mm 37% Wire 183°C - 63% Rosin 500g 1.5% -
RS Stock No. 547-338
Mfr. Part No.SN60 PB 15/10 - 3 CANAUX A11 - 100G
BrandMBO
PHP809.91
1 Reel of 100 Gram(s)
Reel(s)
SN60 PB 1.5mm 40% Wire 183°C - 60% Rosin 100g 2% -
RS Stock No. 555-276
Mfr. Part No.SN96.5 AG3 CU0.5 7/10 A11 - 100G
BrandMBO
PHP771.24
1 Reel of 100 Gram(s)
Reel(s)
A11 0.7mm - Wire 217°C 3% 96.5% Rosin 100g 2.2% 0.5%
RS Stock No. 547-354
Mfr. Part No.SN60 PB CU2 7/10 - 3 CANAUX A11 - 500G
BrandMBO
PHP2,460.65
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB CU2 0.7mm 38% Wire 183°C - 60% Rosin 500g 2% 2%
RS Stock No. 547-271
Mfr. Part No.SN60 PB40 10/10 SANS NETTOYAGE RT15 - 500G
BrandMBO
PHP2,639.93
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB40 1mm 40% Wire 183°C - 60% Rosin 500g 1.5% -
RS Stock No. 555-200
Mfr. Part No.SN96.5 AG3 CU0.5 0,35/10 A11 - 100G
BrandMBO
PHP2,783.35
1 Reel of 100 Gram(s)
Reel(s)
A11 0.35mm - Wire 217°C 3% 96.5% Rosin 100g 2.2% 0.5%
RS Stock No. 555-244
Mfr. Part No.SN96.5 AG3 CU0.5 7/10 A11 - 500G
BrandMBO
PHP6,290.83
1 Reel of 500 Gram(s)
Reel(s)
A11 0.7mm - Wire 217°C 3% 96.5% Rosin 500g 2.2% 0.5%
RS Stock No. 547-316
Mfr. Part No.SN60 PB40 7/10 SANS NETTOYAGE RT15 - 500G
BrandMBO
PHP2,999.18
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB40 0.7mm 40% Wire 183°C - 60% Rosin 500g 1.5% -
RS Stock No. 547-372
Mfr. Part No.SN62 PB AG2 7/10 CR2 - 500G
BrandMBO
PHP3,771.12
1 Reel of 500 Gram(s)
Reel(s)
SN62 PB AG2 0.7mm 36% Wire 179°C 2% 62% Rosin 500g 2.2% -
RS Stock No. 547-253
Mfr. Part No.SN60 PB 12/10 - 3 CANAUX A11 - 500G
BrandMBO
PHP1,434.21
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB 1.2mm 40% Wire 183°C - 60% Rosin 500g 2% -
RS Stock No. 547-322
Mfr. Part No.SN60 PB 10/10 - 3 CANAUX A11 - 500G
BrandMBO
PHP2,222.32
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB 1mm 40% Wire 183°C - 60% Rosin 500g 2% -
RS Stock No. 547-326
Mfr. Part No.SN60 PB40 5/10 SANS NETTOYAGE RT15 - 500G
BrandMBO
PHP3,544.74
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB40 0.5mm 40% Wire 183°C - 60% Rosin 500g 1.5% -
RS Stock No. 555-294
Mfr. Part No.SN96.5 AG3 CU0.5 5/10 RT15 - 500G
BrandMBO
PHP6,017.35
1 Reel of 500 Gram(s)
Reel(s)
RT15 0.5mm - Wire 217°C 3% 96.5% Rosin 500g 1.5% 0.5%
RS Stock No. 547-293
Mfr. Part No.SN63 PB 7/10 SANS NETTOYAGE RT15 - 500G
BrandMBO
PHP3,729.64
1 Reel of 500 Gram(s)
Reel(s)
SN63 PB 0.7mm 37% Wire 183°C - 63% Rosin 500g 1.5% -
RS Stock No. 547-332
Mfr. Part No.SN60 PB 7/10 - 3 CANAUX A11 - 500G
BrandMBO
PHP2,225.16
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB 0.7mm 40% Wire 183°C - 60% Rosin 500g 2% -