Cookson Electronics has extended its range of lead-free solders with the introduction of ALPHA® SACX®0807, a new low-Ag wave soldering alloy. Now available on a global basis, ALPHA® SACX®0807 is claimed to offer performance similar to SAC305 on complex, dual-sided assemblies where excellent wetting is required. It is also said to exhibit high mechanical reliability, even after high-stress thermal cycling.

“We developed new ALPHA® SACX®0807 based on the continued industry-wide customer recognition of the important role silver plays in improving soldering performance and joint reliability.  This has been confirmed in the extensive testing done on this alloy, both in our labs and in the field,” said Mike Murphy, Cookson’s Global Product Manager for wave solder products.  “With ALPHA® SACX®0807, assemblers of high complexity, dual-sided PCB’s destined for use in high-end electronics products, where high reliability is essential, will now have a lead-free alloy that offers comparable performance to SAC305, but at a lower cost.  ALPHA® SACX®0807 produces less dross and works well in the lower operating temperature processes associated with higher Ag SAC alloys like SAC305.”

The addition of ALPHA® SACX®0807 extends the SACX® family of products to include:

• ALPHA® SACX® 0307 (launched in 2004): delivers excellent soldering and reliability for both single-sided and standard complexity dual-sided assemblies
• ALPHA® SACX® 0807: offers soldering performance and reliability similar to SAC305; for use on complex, dual-sided assemblies where high wetting force and fast wetting speed are required.
• -ALPHA® SACX® DT: developed to minimize Cu erosion associated with the longer contact times required during selective soldering and rework operations
• -ALPHA® SACX® HASL: developed to deliver smooth, a uniform pad finish, while minimizing Cu erosion during the plating process
• The ALPHA® SACX® family of products is available in standard bar, feeder bar and wire forms.

For more information about the ALPHA® SACX® product family, please visit www.alpha.cooksonelectronics.com.

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