Felder Lottechnik Lead Free Solder Wire 0.75 mm Diameter Rosin Based Flux Melting Point 227°C 250g 5540940720 1037

Felder Lottechnik 5540940720 1037 lead free solder wire is designed for professional soldering with a precise 0.75 mm wire diameter and a melting point of 227°C. It is composed of a high-purity Sn99Cu0.7NiGe alloy providing excellent electrical and mechanical properties for reliable joints in electronics and industrial applications.

The flux core based on modified resin and organic activators ensures efficient solder flow and cleaning action during the soldering process. This wire is fully lead free, with 0% lead content, aligning with environmental compliance requirements including RoHS.

The product weight is 250 grams, wound on plastic reels for easy handling during use. Various flux activation levels are available to suit different soldering needs: EL version with 3.5% halogen-free flux for general soldering, RA activated with 2.5% flux to repair even oxidized solder spots, and ELR with 1% halogen-free no-clean flux particularly suited for surface-mount technology (SMT) fittings.

This solder wire meets multiple international standards such as DIN EN 61190, DIN EN 29453, DIN EN 29454, ISO 9001:2000, and ElektroG, ensuring quality and compliance for industrial and laboratory environments.

Its applications span electronics manufacturing, repair services, circuit board assembly, HVAC tasks, and other professional soldering operations. Manufactured in Germany, the product adheres to stringent quality controls.

The solder wire is made from a lead-free Sn99Cu0.7NiGe alloy ensuring compliance with RoHS standards. The flux core is rosin based with modified resin and organic activators for effective soldering. It contains 99.3% tin and 0.7% copper with 0% lead content for environmentally safe use.

Available in a 250 gram spool suitable for various industrial and electronics soldering tasks. Complies with international standards including DIN EN 61190, DIN EN 29453, DIN EN 29454, ISO 9001:2000, and ElektroG. Originates from Germany, guaranteeing high-quality manufacturing standards.

Special flux variants include EL with 3.5% halogen-free flux, RA with 2.5% flux for oxidized spots repair, and ELR with 1% no-clean flux for SMD fittings. EnvMart provides this premium lead free solder wire under the Felder Lottechnik brand for professionals seeking reliable and environmentally responsible Soldering materials.