circuitnet
Sponsor
KYZEN
pH Employment in Electronic Cleaning
The pH of a cleaning agent affects the entire cleaning process and must be considered when determining the appropriate chemistry and process parameters for success. Download now.
KYZEN
10028
Sponsor
SEHO Systems GmbH
Wave Soldering Processes Rethought
As a pioneer in the development of automated soldering technologies, SEHO is setting global standards today more than ever with outstanding features. Find out more.
SEHO Systems GmbH
Ask the Experts
QUESTIONS
  
SUBMIT
  
MEMBERS
  
JOIN
May 15, 2006 - Updated
July 5, 2007 - Originally Posted

What alloy do you recommended for filters used with SAC305?

We are an electronic manufacturer of RF and Microwave Filters. Before RoHS we soldered our products using Sn95/Sb5 with a melting point 232-240�C. Our customer typically used Sn63 to solder our products on their printed circuit assemblies. Now with RoHS our customers may use SAC305 with a melting point 217-220�C, very close to Sn95/Sb5 thus we need to use higher solder alloy in our product. What alloy can you recommended for our products?
S.D.
Expert Panel Responses
High lead (>85%) solders are still exempt under the RoHS legislation. This has been the choice of most companies building primary interconnections and consider about reflow during assembly operations.

Dr. Craig D. Hillman
Dr. Craig D. Hillman
CEO & Managing Partner, DfR Solutions
Dr. Hillman's specialties include best practices in Design for Reliability, strategies for transitioning to Pb-free, supplier qualification, passive component technology and printed board failure mechanisms.
Submit A Comment
Comments are reviewed prior to posting. You must include your full name to have your comments posted. We will not post your email address.

Your Name


Your Company
Your E-mail


Your Country
Your Comments



Free Newsletter Subscription
Circuitnet is built for professionals who bear the responsibility of looking ahead, imagining the future, and preparing for it.

Insert Your Email Address

Sponsor
Test Research, Inc.
AI Void Detection - X-Ray Inspection
X-ray Inspection for hidden and buried solder joints. BGA, QFN, THT, and more. High Speed and High Resolution configurations available.
Test Research, Inc.
Full-Rotation X-Ray Imaging