Solder

Solder is a metal alloy with a low melting temperature point. It is used to permanently join two metals with a higher melting point. Soldering is a process commonly used in the electronics industry for PCBs, jewellery manufacturing and pipework in plumbing. Solder is to be used alongside a soldering iron for hand soldering.


What forms of solder are there?


The majority of solder comes in wire form. There is a range of wire diameters available to suit various applications and joints. Solder granules are ideal for soldering machines and tinning crucibles. They are 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.


What metal is used in solder?


Solder is made using a mixture of metals. A popular combination is 60/40 solder; 60% tin and 40% lead. There are other percentages of tin and lead available too. Silver is also used in solder for higher temperatures to create stronger joints, also known as silver soldering, hard soldering or silver brazing.


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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. 756-8884
BrandRS PRO
$71.49
Each
units
SAC305 0.71mm - Wire 217°C 3% 96.5% Rosin Based 250g 3.3% 0.5%
RS Stock No. 555-235
Mfr. Part No.288322
BrandMulticore
$90.20
1 Reel of 500 Gram(s)
Reel(s)
362 0.7mm 40% Wire 183°C - 60% Rosin Based 500g 3% -
RS Stock No. 800-7661
BrandRS PRO
$26.76
Each
units
- 0.71mm 40% Wire 183°C - 60% Colophony Free- ORL0 250g 2 → 4% -
RS Stock No. 625-8132
Mfr. Part No.289703
BrandMulticore
$219.88
1 Reel of 500
Reel(s)
105 1mm - Wire 217°C 3.8% 95.5% Colophony (Rosin) Free 500g 1.5% 0.7%
RS Stock No. 484-9893
Mfr. Part No.288718
BrandMulticore
$121.31
1 Reel of 1
Reel(s)
C511 0.7mm 40% Wire 183°C - 60% Rosin Based 500g 3% -
RS Stock No. 185-0042
Mfr. Part No.291275
BrandMulticore
$85.37
1 Reel of 250 Gram(s)
Reel(s)
362 1.2mm - Wire 227°C - 99.3% Rosin Based 250g 3% 0.7%
RS Stock No. 756-8913
BrandRS PRO
$81.29
Each
units
SAC305 NC600 1.27mm - Wire 217°C 3% 96.5% Rosin Based 250g 2.2% 0.5%
RS Stock No. 788-3708
Mfr. Part No.T0051388299
BrandWeller
$49.71
1 Reel of 1
Reel(s)
WSW SAC M1 0.5mm - Wire 217°C 96.5% 96.5% Rosin 100g 3.5% 0.5%
RS Stock No. 547-326
Mfr. Part No.SN60 PB40 5/10 SANS NETTOYAGE RT15 - 500G
BrandMBO
$98.18
1 Reel of 500 Gram(s)
Reel(s)
SN60 PB40 0.5mm 40% Wire 183°C - 60% Rosin 500g 1.5% -
RS Stock No. 555-272
Mfr. Part No.SN96.5 AG3 CU0.5 5/10 A11 - 100G
BrandMBO
$31.71
1 Reel of 100 Gram(s)
Reel(s)
SN96.5 AG3 CU0.5 0.5mm - Wire 217°C 3% 96.5% Rosin 100g 2.2% 0.5%
RS Stock No. 818-3204
BrandRS PRO
$10.99
Each
units
- 0.8mm - - 227°C 3% 96.5% - 100g 3.3% 0.5%
RS Stock No. 512-5801
Mfr. Part No.761345
BrandMulticore
$36.92
Each (In a Pack of 5)
units
- 7mm - Stick 227°C - 99.3% - 400g - 0.7%
RS Stock No. 273-255
Mfr. Part No.YC00220
$8.03
Each
units
YC00220 0.8mm 0% Wire 227°C - 99.25% Rosin Based 13g 2.5% 0.75%
RS Stock No. 556-503
Mfr. Part No.290715
BrandMulticore
$79.55
1 Reel of 500 Gram(s)
Reel(s)
362 1.2mm 93.5% Wire 296°C 1.5% 5% Rosin Based 500g 3% -
RS Stock No. 547-344
Mfr. Part No.SN60 PB 7/10 - 3 CANAUX A11 - 100G
BrandMBO
$22.95
1 Reel of 100 Gram(s)
Reel(s)
SN60 PB 0.7mm 40% Wire 183°C - 60% Rosin 100g 2% -
RS Stock No. 800-7652
BrandRS PRO
$36.35
Each
units
- 1.27mm 40% Wire 183°C - 60% Colophony Free- ORL0 250g 2 → 4% -
RS Stock No. 756-8881
BrandRS PRO
$34.42
Each
units
60/40 NC600 1.27mm 40% Wire 183°C - 60% Rosin Based 250g 2.2% -
RS Stock No. 547-269
Mfr. Part No.SN60 PB 10/10 - 3 CANAUX A11 - 100G
BrandMBO
$21.54
1 Reel of 100 Gram(s)
Reel(s)
SN60 PB 1mm 40% Wire 183°C - 60% Rosin 100g 2% -
RS Stock No. 788-3717
Mfr. Part No.T0051388399
BrandWeller
$57.05
1 Reel of 1
Reel(s)
WSW SAC LO 0.3mm - Wire 217°C 96.5% 96.5% Rosin 100g 3.5% 0.5%
RS Stock No. 756-8900
BrandRS PRO
$75.25
Each
units
60/40 NC600 0.71mm 40% Wire 183°C - 60% Rosin Based 500g 2.2% -
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