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ALPHA® ■

Solder Paste


Highest throughput and yield, and lowest cost of ownership for today's challenging electronic assembly processes.

ALPHA solder pastes are used in the assembly of PCBs for a variety of product applications, including hand-held electronic devices, all types of computers, consumer electronics, network servers, automotive systems, medical and military equipment and many other solder uses.

(See Soldering Lead-Free Alloys)  (See Soldering Paste Selector Guide)

Tin-lead (water-soluble), Lead-free (no-clean), Tin-lead (no-clean), Lead-free (water-soluble)solder paste and soldering products

NO-CLEAN SOLDERING PASTE PRODUCTS

ALPHA OM-5100 Solder Paste
  • Broad latitude, no-clean solder paste; appropriate for most tin-lead SMT applications
  • Soldering with Higher reflow yields with excellent print deposit consistency
  • Reduced random and mid-chip solder balls and other soldering problems
ALPHA OM-338 T (ZHP) Solder Paste
  • Broad latitude, no-clean solder paste; appropriate for most lead-free soldering SMT applications
  • Wide reflow process window and outstanding voiding resistance
  • Ultra-fine pitch printing capability at up to 200mm/sec. (8 in./sec) print speed
ALPHA OM-338 PT (ZHP) Solder Paste
  • Excellent in-curcuit pin testability
  • Superior soldering performance in closed-head printers
  • Wide print process window up to 150mm/sec. (6 in./sec.)
ALPHA OM-338 CSP (ZHP) Solder Paste
  • Broad latitude lead-free, no-clean solder paste
  • 0.4mm pitch BGA enabling soldering technology
  • Excellent print capability across various board designs
ALPHA OM-340 (ZHP) Solder Paste
  • Broad latitude lead-free, no-clean solder paste
  • Excellent in-circuit pin testability
  • Better soldering spread and wetting
ALPHA OM-350 (Halogen-Free) Solder Paste
  • Reduced defects soldering (voiding, mid-chip solder balls, BGA pillows)
  • Excellent pin-in-through-hole performance
  • Best-in-class electrical reliability
  • Excellent print volume repeatability up to100mm/sec.print speed

ZHP: ZERO Halogen Product

ALPHA ZERO Halogen products have no intentionally added halogens in their formulations.

OM-338PT No-Clean Soldering Paste

OM-338PT No-Clean Soldering Paste
OM-338PT 16 mil (0.40mm) pitch


OM-338 T No-Clean Soldering Paste

Photomicrograph of fine-feature solder paste deposits produced at 200mm/sec soldering print speed.
Soldering Photomicrograph of fine-feature solder paste deposits produced at 200mm/sec print speed.


WS-809 Water-Soluble Soldering Paste

WS-809 Water-Soluble 16 mil (0.40mm), 75% RH 36+ hours solder photo
WS-809 Water-Soluble 16 mil (0.40mm), 75% RH 36+ hours soldering


Halogen-Free soldering solutions


ALPHA® ■

Soldering Paste


  • Leading soldering technology products
  • Consistent soldering product performance globally
  • Continuity of soldering supply ensured through multiple manufacturing solder sites

 

Solder Paste Selector Guide

Choose a soldering product by clicking on the solder product name below.







Performance Indicators





Product Name		 Pb Free Alloys Sn/Pb Alloys Powder Size
Universal, Highest
Print Speed		 ALPHAŽ
OM-338 T		 •       • • •       •     88.5% M13 ROL0 83.3%
 M04		 ND
Universal, Pin Testable, Enclosed Print Heads ALPHAŽ
OM-338 PT		 •       • • •       •     88.5% M15 ROL0 NA ND
High Soak Profile, Paste in Through Hole ALPHAŽ
OM-350		 •   • • • • •         •   89.0% M16 ROL0 TBD <500
ppm
Increased Spread Wetting ALPHAŽ
OM-340		 •   •   •   •       • • • 89.0% M18 ROL0 NA ND
Ultra Fine Feature, High Soak Profile ALPHAŽ
OM-325		 •       • • •         •   89.0% M19 ROL0 NA <500
ppm
  • 88.8% M19 ROL0 84%
 M05		 <500
ppm
Universal Water Soluble ALPHAŽ
WS-819		   •     •   •       •     89.4% M17 ORH0 85%
M9		 <500
ppm
Universal, Wide Process Window ALPHAŽ
OM-5100		 •             • • • •     90.0% M13 ROL0 85%
M04		 ND
Universal Dispense Paste  ALPHAŽ
CL-78		 •             • • • •     85.0% M04 ROL1 85%
M04		  
Universal, Best Joint Cosmetics ALPHAŽ
WS-609		   •           • •   •     90.0% M13 ORH0 85%
M07		 ND
Stencil Life, Joint Cosmetics, Cleanability ALPHAŽ
WS-809		   •           • •   •     90.0% M18 ORH0 NA <500
ppm

* ND = Non-Detectable

 

WATER-SOLUBLE SOLDERING Paste PRODUCTS

ALPHA WS-809 Solder
  • Broad-latitude, water-soluble tin-lead solder paste; appropriate for most SMT soldering applications
  • Excellent balance of stencil life and cleanability
  • Provides excellent voiding resistance
  • Delivers excellent throughput and high first pass yield
ALPHA WS-819 Solder
  • Long stencil life under varying ambient conditions
  • Excellent resistance to BGA voids
  • Ease of cleaning with aqueous wash systems

To fully support SMT solder printing requirements, Cookson Electronics also offers a complete line of ALPHAŽ Soldering Paste Stencils and Solder Cleaners.

Alpha Stencil

Other solder and soldering products:
Soldering Stencils | Soldering Stencils | Wave Soldering Flux | Solder Reclaim | SMD Adhesives | Wire | Solder Preforms | Cleaners | Thermal Management | Automotive Soldering | Photovoltaic Products