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The 49500 Sn100e No Clean Solder Wire is an electronic grade solder wire. It uses a high-purity, eutectic tin/copper/cobalt alloy, which is complemented with a no clean, synthetically refined, splatter-proof, resin flux core. The 49500 solder meets J-STD-004B, ASTM B 32, and exceeds J-STD-006C specifications.

This solder is a great lead-free alternative to leaded solders. It generally provides better wetting, contact angle, flow, and visual appearance than typical Sn63/Pb37 no clean solders, while still delivering excellent performance characteristics. It offers superior solder penetration into plated through holes and surface mount interconnects. Further, it is a suitable replacement for SAC305 solder since the 49500 forms brighter, shinier, and less grainy joints. Furthermore, it is less expensive.

The 49500 solders 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.


  • Eutectic alloy (liquidus = solidus temperature)
  • Alloy exceeds J-STD-006C and meets ASTM B 32 purity requirements
  • Flux meets J-STD-004B
  • Spreads like rosin activated flux
  • Virtually non-splattering
  • Non-corrosive resudues
  • Non-conductive resudues
  • Halide free
Catalog Number Std. Wire Gauge Diameter Size Format
49500-454G 21 0.81 mm (0.032 in) 1 lb Spool

* Also available in flux core percentages: 2% to 4%


Safety Data Sheet
Safety Data Sheet
Technical Data Sheet

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