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MacDermid Alpha JP-501 solder paste – optimized for next-generation fine-pitch SMT, delivering stable print performance, excellent coalescence, and reliable solder joint integrity under demanding assembly conditions.

  • Item Number: JP-501

  • Manufacturer: MacDermid Alpha®

  • Lead Type: Lead-Free (RoHS compliant)

  • Alloys: SAC305

  • Type: No-clean solder paste (fine-pitch, high-reliability)

  • Package: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

MacDermid Alpha JP-501 Solder Paste is a high-performance, no-clean solder paste designed for lead-free assembly processes. It provides excellent wetting, reliable solder joint formation, and consistent performance in fine-pitch and high-density surface mount assemblies. The paste leaves minimal, non-corrosive residues, making it suitable for no-clean processes and advanced electronics manufacturing.

2. Applications

JP-501 is suitable for surface mount technology (SMT) applications, including BGAs, QFNs, and other fine-pitch components. It supports stencil printing, syringe dispensing, and rework operations, ensuring precise and repeatable solder deposition. The paste is ideal for high-volume production environments where consistent performance and solder joint reliability are critical.

3. Typical Properties – Specifications

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

  • Flux Type: No-clean, halogen-free

  • Viscosity: Optimized for stencil printing and dispensing

  • Residues: Minimal, non-corrosive, safe for no-clean processes

  • Print Life: Extended stencil life under standard production conditions

  • Reflow Profile: Compatible with lead-free reflow temperature profiles

  • Storage: Refrigerated storage recommended to maintain paste consistency and performance

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