Weller WSW SAC L0 Lead-Free Solder with Silver and Copper - Halogen-Free Flux

Weller Brand: Weller

Weller WSW SAC L0 is a Lead-Free Solder Wire with 3% Silver and 0.5% Copper. It contains 3.5% Halogen-free flux cores.

  • Composition 3% Silver (Ag), Copper (Cu) 0.5%, remainder Tin (Sn)
  • Melting point 217 to 221°C
  • Halogen-free flux cores (3.5%)
  • Available in a range of wire diameters and spool weights
Description Image Product Buy Pricing (Ex VAT) Wire Diameter SWG Flux Type Leaded / Lead-Free Melting Temperature Solder Alloy Type Lifetime Warranty
Weller T0051388399 WSW SAC L0 96.5/3/0.5 Solder Wire 0.3mm 100g
Weller T0051388399 WSW SAC L0 96.5/3/0.5 Solder Wire 0.3mm 100g
Standard range
Order code: 85-6544
MPN: T0051388399

4 in stock, despatched same dayAdditional quantity lead time 3 weeks
1+ £31.01
Price per unit Ex VAT 		0.3mm 31 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051388799 WSW SAC L0 96.5/3/0.5 Solder Wire 0.8mm 250g
Weller T0051388799 WSW SAC L0 96.5/3/0.5 Solder Wire 0.8mm 250g
Extended range
Order code: 85-6548
MPN: T0051388799

Available to back orderBack-order availability date - 22/12/2025
1+ £44.19
5+ £43.85
Price per unit Ex VAT 		0.8mm 21 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051388899 WSW SAC L0 96.5/3/0.5 Solder Wire 1.0mm 250g
Weller T0051388899 WSW SAC L0 96.5/3/0.5 Solder Wire 1.0mm 250g
Extended range
Order code: 85-6546
MPN: T0051388899

Available to back orderBack-order availability date - 22/12/2025
1+ £55.00
5+ £54.58
Price per unit Ex VAT 		1mm 19 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051387299 WSW SAC L0 96.5/3/0.5 Solder Wire 0.3mm 500g
Weller T0051387299 WSW SAC L0 96.5/3/0.5 Solder Wire 0.3mm 500g
Extended range
Order code: 85-6560
MPN: T0051387299

Available to back orderBack-order availability date - 22/12/2025
1+ £118.12
5+ £117.22
Price per unit Ex VAT 		0.3mm 31 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051387099 WSW SAC L0 96.5/3/0.5 Solder Wire 0.5mm 500g
Weller T0051387099 WSW SAC L0 96.5/3/0.5 Solder Wire 0.5mm 500g
Extended range
Order code: 85-6558
MPN: T0051387099

Available to back orderBack-order availability date - 22/12/2025
1+ £111.85
Price per unit Ex VAT 		0.5mm 25 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051386999 WSW SAC L0 96.5/3/0.5 Solder Wire 0.8mm 500g
Weller T0051386999 WSW SAC L0 96.5/3/0.5 Solder Wire 0.8mm 500g
Extended range
Order code: 85-6556
MPN: T0051386999

Available to back orderBack-order availability date - 22/12/2025
1+ £100.99
5+ £100.22
Price per unit Ex VAT 		0.8mm 21 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051386899 WSW SAC L0 96.5/3/0.5 Solder Wire 1.0mm 500g
Weller T0051386899 WSW SAC L0 96.5/3/0.5 Solder Wire 1.0mm 500g
Extended range
Order code: 85-6554
MPN: T0051386899

Available to back orderBack-order availability date - 22/12/2025
1+ £98.43
Price per unit Ex VAT 		1mm 19 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051386799 WSW SAC L0 96.5/3/0.5 Solder Wire 1.2mm 500g
Weller T0051386799 WSW SAC L0 96.5/3/0.5 Solder Wire 1.2mm 500g
Extended range
Order code: 85-6552
MPN: T0051386799

Available to back orderBack-order availability date - 22/12/2025
1+ £96.46
5+ £95.75
Price per unit Ex VAT 		1.2mm 18 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Weller T0051386699 WSW SAC L0 96.5/3/0.5 Solder Wire 1.6mm 500g
Weller T0051386699 WSW SAC L0 96.5/3/0.5 Solder Wire 1.6mm 500g
Extended range
Order code: 85-6550
MPN: T0051386699

Available to back orderBack-order availability date - 22/12/2025
1+ £96.46
5+ £95.75
Price per unit Ex VAT 		1.6mm 16 Halogen free Lead-free 217°C Sn96.5Ag3Cu0.5 Wire No
Order codeMftrs Part No.DiameterWeight
85-6544T00513883990.3mm100g
85-6542T00513884990.5mm100g
85-6548T00513887990.8mm250g
85-6546T00513888991.0mm250g
85-6560T00513872990.3mm500g
85-6558T00513870990.5mm500g
85-6556T00513869990.8mm500g
85-6554T00513868991.0mm500g
85-6552T00513867991.2mm500g
85-6550T00513866991.6mm500g


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