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The 4925–4926 SAC305 RA Solder Wire is an electronic grade, lead-free solder wire. It uses the predominant lead-free alloy composition and exceeds J-STD-006C and meets ASTM B 32 purity specifications. It is complemented with a rosin activated, medium activity flux that is classified as ROM1 according to J-STD-004B. This solder is a great alternative to leaded solders.

The 4925–4926 non-leaded solder series achieve a consistent solder and flux percentage through a state-of-the-art, extrusion, wire-drawing machine. This machine continually monitors the wire to prevent voids and ensure consistency, providing a top-grade solder wire.


  • Lead free & rosin activated flux
  • Alloy exceeds J-STD-006C and meets ASTM B 32 purity requirements
  • Flux meets J-STD-004B
  • Fast wetting
  • Fast flowing
  • Non-corrosive resudues
  • Non-conductive resudues
  • Compliance:
Catalog Number Sizes Available Diameter Gauge Description
4925-112G 113 g (0.25 lb) 0.81 mm (0.032") 21 Spool
4925-454G 454 g (1.0 lb) 0.81 mm (0.032") 21 Spool
4926-112G 113 g (0.25 lb) 1.02 mm (0.040") 19 Spool
4926-454G 454 g (1.0 lb) 1.02 mm (0.040") 19 Spool


Safety Data Sheet
Safety Data Sheet
Technical Data Sheet

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