Weller 0.3mm Wire Lead Free Solder, +217°C Melting Point

  • RS Stock No. 788-3717
  • Mfr. Part No. T0051388399
  • Brand Weller
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): JP
Product Details

Weller WSW SAC L0 - Lead-Free Solder Wire

Introducing lead-free solder wire from Weller, designed for use in electrical and electronic applications and to be environmentally friendly. Once your iron is at the required temperature the solder wire tins, flows and solidifies well. The WSW SAC L0 solders have been developed to meet the electronics industries' increasingly stringent quality requirements.

Features and Benefits

  • WSW SAC L0 lead-free solder wire with Sn3.0Ag0.5Cu alloy
  • Composition 3% Silver (Ag), Copper (Cu) 0.5%, remainder Tin (Sn)
  • L0 - Halogen-free flux
  • For a long life of the soldering tips
  • Fast and homogeneous wetting of the soldering tip
  • Reduced Fe leaching
  • For use in hand soldering and automatic solder feed applications

WSW SAC L0 Options

  • T00 513 883 99; dia. 0.3 mm, weight 100g, RS Stock no: 788-3717
  • T00 513 884 99; dia. 0.5 mm, weight 100g, RS Stock no: 788-3710
  • T00 513 887 99; dia. 0.8 mm, weight 250g, RS Stock no: 788-3726
  • T00 513 888 99; dia. 1.0 mm, weight 250g, RS Stock no: 788-3720

Typical Applications

Solder is used alongside soldering irons, particularly in securing electrical components to integrated circuit boards. The solder melts easily when heated, and cools quickly, meaning it can be moulded to secure components in place in solder joints. The quick setting nature of solder means it can also be used for light brazing.Because of its relatively low melting point, solder can be reworked easily by heating it to a melting point and using a solder sucker to remove it. Solder is commonly used with SMD and through-hole components, with applications in repair, prototyping, and production.


What is soldering used for?
Solder wire forms a connection between electronic components. Solder is heated, and melts using a soldering iron and then melts into a connection.
What is solder made of?
Typically, 60% tin and 40% lead. 60/40 is the most commonly used type of solder for hand soldering. Solder that is made of 63% tin and 37% lead. 63/37solder is also known as eutectic solder and is often preferred because it goes directly from a solid to liquid state when melted.
Types of solders?
Electronics solder – lead alloy, lead-free, silver alloy.
What metal cannot be soldered?
Stainless steel and high alloy steel unless pre-plated in a solderable metal.

Attribute Value
Model Number WSW SAC LO
Wire Diameter 0.3mm
Percent Lead 0%
Product Form Wire
Melting Point +217°C
Percent Silver 96.5%
Percent Tin 96.5%
Flux Type Rosin
Product Weight 100g
Flux Content Percent 3.5%
Percent Copper 0.5%
48 In stock for FREE next working day delivery
Price 1 Reel of 1
£ 27.12
(exc. VAT)
£ 32.54
(inc. VAT)
1 - 9
10 - 19
20 - 49
50 +
Related Products
96SC Crystal 400 No-Clean solder wire with incorporated ...
96SC Crystal 400 No-Clean solder wire with incorporated flux.On a spool.Halide-free.Constant heat, low spatter.High speed soldering, range of activities suitable for all applications.Good spread on copper, brass and nickel.Clear residue.
Stannol Kristall solder wires have been specially formulated ...
Stannol Kristall solder wires have been specially formulated to complement No Clean wave and reflow soldering processes. They are also applicable to repair operations carried out after a cleaning process, eliminating the need for further cleaning. Stannol Kristall solder wires provide fast soldering on copper and brass surfaces and solder ...
Lead-free alloy solder wire Sn 95.5 Ag 3.8 ...
Lead-free alloy solder wire Sn 95.5 Ag 3.8 Cu 0.7 on plastic coils Flux core based on modified resin and organic activators EL version with 3.5% flux, halogen-free, for general soldering RA activated with 2.5% halogen content for repairing even oxidised soldering spots ELR with 1% flux, halogen-free no clean, ...
Contains no lead and a special flux to ...
Contains no lead and a special flux to address the concerns of PCB assemblers who wish to use Rosin-free solders. 5 Cores of Ecosol® 105 Rosin (Colophony) free flux Fast soldering on brass and copper Compatible with 96SC CR32 and 96S RM89 solder pastes.