IPC-A-610 | Chapter 8 Study Guide with Complete Solutions
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Course
2024/2025
Institution
2024/2025
IPC-A-610 | Chapter 8 Study Guide with
Complete Solutions
Staking Adhesive - Component Bonding
Acceptable - Class 1
Process Indicator - Class 2 - Answer-Adhesive material extending from under the component
is visible in the termination area, but end joint width meets minimum requirements
Stak...
Defect - Class 3 - Answer✔✔-The thickness of the flattened lead is less than 40% of the original
diameter
SMT Connections - Answer✔✔-- Components with surface and/or termination ends or sides
that are not wettable by design are exempt from solder wetting requirements in those areas.
Solder fillet wetting to the sides or ends of the leads is not required unless specifically stated.
- Solder fillet may extend through the top bend. Solder should not extend under the body or
surface mount components whose leads are made of Alloy 42 or similar metals.
SMT Connections
Acceptable - Class 1,2,3 - Answer✔✔-Component titled/raised does not affect form, fit or
function
Chip Components - Bottom Only Terminations - Side Overhang (A)
Acceptable - Class 1,2 - Answer✔✔-Side overhang (A) is less than or equal to 50% width of
component termination area (W) or 50% width of land (P), whichever is less
Chip Components - Bottom Only Terminations - Side Overhang (A)
Acceptable - Class 3 - Answer✔✔-Side overhang (A) is less than or equal to 25% width of
component termination area (W) or 25% width of land (P), whichever is less
Chip Components - Bottom Only Terminations - End Joint Width (C)
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