Lead Free Hand Soldering

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Additional Information

What You Should Already Know:

There are no prerequisites for this course

Course Description:

This course is intended for operators who already understand the basics of hand soldering, and simply need to learn the differences between soldering with tin-lead vs. lead free solder.The course will demonstrate the subtle differences between tin-lead and lead-free soldering techniques & inspection criteria. This program is designed to assist operators and soldering technicians to make the transition to lead-free with knowledge and confidence.The course will describe the new types of solder alloys, and discuss the higher melting temperatures used in lead-free that can potentially damage the assembly.

Section 1 also explains required changes due to increased surface tension, more active fluxes, and additional cleaning considerations.

Section 2 demonstrates modified techniques for soldering through-hole components into plated-through holes, and wires to pierced terminals, then demonstrates PTH rework / vacuum extraction - focusing on damage prevention from increased soldering temperatures.

Section 3 compares tin-lead / lead-free solder joints to the visual acceptance criteria from IPC-A-610 with original microphotography of target conditions, textural differences, minimum and maximum solder, wetting requirements, cold / disturbed joints, fractures, lifted lands, thermal damage, bridging, projections, blowholes and solder balls.

Learning Outcomes:

  • Demonstrate Proper Techniques for Through-Hole and Plated-Through-Hole
  • Clearly Understand Soldering Differences Between Tin-Lead and Lead-Free   
  • Become More Familiar with IPC-A-610 Standard
  • Demonstrate Usage of Various Tools for Lead-Free Soldering

Course Time: 23 Minutes

Testing & Certificate:

A Certificate of Completion will be issued to the student upon Completion of the testing requirement of the course. A passing grade of 70% is needed to receive the certificate. The student will be allowed to take the test a total of 3 times to achieve a passing grade. 

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