Weller T0051387399 Silver Free Alloy Solder Spool 500g

Product Description

The WELLER T0051387399 is a silver-free alloy solder supplied on a 500 g spool. It is designed for joining electrical and electronic components across a wide range of professional and industrial applications. The solder wire measures 1.2 mm in diameter and carries a minimum melting temperature of 442.4 degrees F, making it suitable for standard soldering workflows. At 1.18 pounds per spool, it is a practical bench-stock item for technicians who require consistent, lead-free compatible solder without silver content. Licensed electricians, electronics repair technicians, and production floor operators are the primary installers of this material.

This solder is suited for residential and commercial electrical repair, electronics assembly, robotic soldering systems, and specialized sectors including military, aerospace, medical device manufacturing, automotive, and solar energy systems. The silver-free alloy formulation makes it appropriate for cost-sensitive production environments where silver-bearing solders are not required by specification. It is compatible with standard soldering irons, solder robots, and wave soldering equipment used in bench and automated production settings.

Key Features

• Silver-free alloy formulation reduces material cost without sacrificing joint integrity in standard applications
• 1.2 mm wire diameter suits both hand soldering irons and automated solder robot feeds
• 500 g spool provides extended bench or production run supply with consistent wire tension
• Minimum melting temperature of 442.4 degrees F compatible with standard iron tip temperatures
• Broad application range covering electrical, electronic, automotive, solar, aerospace, and medical device work

Compatibility

Designed for use with standard soldering irons, robotic soldering systems, and wave soldering equipment across electrical, electronic, repair, military, aerospace, medical device, automotive, and solar applications as specified by the manufacturer.

Installation Notes

This solder is applied by licensed electricians, electronics technicians, and production soldering operators following applicable IPC and NEC guidelines for soldered connections. Ensure soldering equipment is set to an appropriate tip temperature above the minimum melting point before beginning work. Adequate ventilation or fume extraction should be in place when soldering alloys in enclosed spaces. Do not apply excessive heat dwell time, as this can degrade flux activity and affect joint quality.