PCB Unlimited is a leading distributor of solders and related materials for electronics assembly. Whether you require lead free or leaded solders in solder wire, solder paste or solder bar form, we offer extensive products from leading solder manufacturers.

Solder Paste

Solder paste is available for immediate delivery in 250 gram jars and 30 gram syringes:

  • Leaded No Clean & Water Soluble Solder Paste
  • Lead Free No Clean & Water Soluble Paste

To help us meet your specific needs, please provide us with information on your alloy, flux type, powder size and packaging preferences.

M8 SN63/PB37 T4 NO CLEAN SOLDER PASTE
An evolution of the highly successful NC258 platform, M8 brings no clean solder paste performance to the next level. Developed in combination with T4 and finer mesh leaded alloy powders, M8 provides stable transfer efficiencies required for today’s UFP and umBGA devices, reducing DPMO on the most challenging applications.
Clock fast Lead Time: In Stock Money orange $110.00
NC-SMQ92J Sn63/Pb37, Type 4, 89.5% Solder Paste
NC-SMQ92J is a halogen-free, air reflow, no-clean solder paste formulated to leave a benign, probe-testable residue. The residue is easily penetrated and will not clog multi-point probes. This product has other qualities such as consistent fine-pitch paste deposition, unsurpassed stencil life and tack time, and excellent wetting. NC-SMQ92J will perform well on high-speed surface mount lines utilizing fast print speeds and rapid chip placement. NC-SMQ92J meets or surpasses all ANSI/J-STD-004, -005 specifications, and Bellcore test criteria.
Money orange $80.00
WS488 T4 Water Soluble Solder Paste
AIM’s WS488 water soluble paste has been designed to wet virtually any solderable electronic surfaces, components, assemblies, and substrates. WS488 is compatible with all leaded and lead-free alloys, and has been developed for use in a wide range of applications.
Clock fast Lead Time: In Stock Money orange $105.00
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