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Alpha Telecore HF-850 solder wire – halogen-free, no-clean cored wire designed for hand soldering and rework, delivering fast wetting, shiny solder joints, and excellent electrochemical reliability across diverse PCB applications.

  • Item Number: Telecore HF-850

  • Manufacturer: MacDermid Alpha®

  • Alloy/ Composition: SAC305 (Sn96.5/Ag3.0/Cu0.5) and other alloys available

  • Diameter/ Wire Gauge: Multiple diameters available (e.g., 0.25–1.6 mm typical)

  • Flux Type/ Core Type: Halogen-free, no-clean flux core

  • Melting Temperature: ~217–221 °C (SAC305)

  • Packaging: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

Alpha Telecore HF-850 Solder Wire is a high-quality, lead-free solder wire engineered for reliable electronic assembly. It provides excellent wetting, consistent melting characteristics, and strong solder joint integrity. The alloy formulation minimizes dross formation and ensures smooth flow, delivering high mechanical strength and dependable performance in high-reliability applications.

2. Applications

HF-850 solder wire is suitable for surface mount technology (SMT), through-hole assembly, general electronics soldering, rework, and repair operations. It is particularly effective for fine-pitch components, high-density PCBs, and lead-free production lines that require precise soldering and consistent quality.

3. Typical Properties – Specifications

  • Alloy Composition: SAC305 (Sn96.5/Ag3.0/Cu0.5)

  • Melting Range: Approximately 217–220°C

  • Flux Core: Mildly activated, rosin-based flux suitable for no-clean applications

  • Diameter Options: Multiple diameters available for diverse soldering needs

  • Residues: Minimal, non-corrosive, compatible with no-clean processes

  • Mechanical Properties: High joint strength and reliability

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