IPC A 610 LATEST 2026 EXAM QUESTIONS AND ANSWERS
RATED A+
✔✔Chip Components - Bottom Only Terminations - End Joint Width (C)
Acceptable Class 3 - ✔✔Minimum end joint width (C) is 75% width of component
termination (W) or 75% width of land (P), whichever is less
✔✔Chip Components - Bottom Only Terminations - End Overlap (J)
Acceptable - Class 2 - ✔✔End overlap (J) between the component termination and the
land is minimum 50% the length of component termination (R)
✔✔Chip Components - Bottom Only Terminations - End Overlap
Acceptable - Class 3 - ✔✔End overlap (J) between the component termination and the
land is minimum 75% the length of component termination (R)
✔✔Rectangular or Square End Clip Components - 1,2,3 or 5 Termination(s) - Side
Overhang (A)
Acceptable - Class 1,2 - ✔✔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
✔✔Rectangular or Square End Clip Components - 1,2,3 or 5 Termination(s) - Side
Overhang (A)
Acceptable - Class 3 - ✔✔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
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Joint Width (C)
Acceptable - Class 1,2 - ✔✔End joint width (C) is minimum 50% of component
termination width (W) or 50% land width (P), whichever is less
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Joint Width (C)
Acceptable - Class 3 - ✔✔End joint width (C) is minimum 75% of component
termination (W) or 75% land width (P), whichever is less
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Side Joint Length (D)
Acceptable - Class 1,2,3 - ✔✔Side joint length is not required. However, a wetted fillet is
evident.
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Maximum Fillet Height (E)
, Acceptable - Class 1,2,3 - ✔✔Maximum fillet height (E) may overhang the land and/or
extend onto the top or side metallization, but does not touch the top or side of the
component
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Minimum Fillet Height (F)
Acceptable - Class 1,2 - ✔✔Minimum fillet height (F) exhibits wetting on the vertical
surface(s) of the component termination
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Minimum Fillet Height (F)
Acceptable - Class 3 - ✔✔Minimum fillet height (F) is solder thickness (G) plus either
25% termination height (H), or 0.5mm [0.02 in], whichever is less
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Solder Thickness (G)
Acceptable - Class 1,2,3 - ✔✔Wetted fillet evident
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Overlap (J)
Defect - Class 1,2,3 - ✔✔Insufficient end overlap
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Overlap (J)
Defect - Class 3 - ✔✔Less than 25% overlap contact (J) between the component
termination and the land
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Termination Variations - Mounting on Side (Billboarding)
Acceptable - Class 1,2 - ✔✔Width (W) to height (H) ratio does not exceed two to one
(2:1) ratio
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Termination Variations - Mounting on Side (Billboarding)
Acceptable - Class 3 - ✔✔For component size 1206 or smaller:
- Component has three or more termination faces (metallization)
For components larger than size 1206:
- Component has five termination faces (metallization)
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Termination Variations - Mounting on Side (Billboarding)
Defect - Class 3 - ✔✔For component size 1206:
- Component has less than three termination faces (metallization)
RATED A+
✔✔Chip Components - Bottom Only Terminations - End Joint Width (C)
Acceptable Class 3 - ✔✔Minimum end joint width (C) is 75% width of component
termination (W) or 75% width of land (P), whichever is less
✔✔Chip Components - Bottom Only Terminations - End Overlap (J)
Acceptable - Class 2 - ✔✔End overlap (J) between the component termination and the
land is minimum 50% the length of component termination (R)
✔✔Chip Components - Bottom Only Terminations - End Overlap
Acceptable - Class 3 - ✔✔End overlap (J) between the component termination and the
land is minimum 75% the length of component termination (R)
✔✔Rectangular or Square End Clip Components - 1,2,3 or 5 Termination(s) - Side
Overhang (A)
Acceptable - Class 1,2 - ✔✔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
✔✔Rectangular or Square End Clip Components - 1,2,3 or 5 Termination(s) - Side
Overhang (A)
Acceptable - Class 3 - ✔✔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
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Joint Width (C)
Acceptable - Class 1,2 - ✔✔End joint width (C) is minimum 50% of component
termination width (W) or 50% land width (P), whichever is less
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Joint Width (C)
Acceptable - Class 3 - ✔✔End joint width (C) is minimum 75% of component
termination (W) or 75% land width (P), whichever is less
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Side Joint Length (D)
Acceptable - Class 1,2,3 - ✔✔Side joint length is not required. However, a wetted fillet is
evident.
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Maximum Fillet Height (E)
, Acceptable - Class 1,2,3 - ✔✔Maximum fillet height (E) may overhang the land and/or
extend onto the top or side metallization, but does not touch the top or side of the
component
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Minimum Fillet Height (F)
Acceptable - Class 1,2 - ✔✔Minimum fillet height (F) exhibits wetting on the vertical
surface(s) of the component termination
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Minimum Fillet Height (F)
Acceptable - Class 3 - ✔✔Minimum fillet height (F) is solder thickness (G) plus either
25% termination height (H), or 0.5mm [0.02 in], whichever is less
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Solder Thickness (G)
Acceptable - Class 1,2,3 - ✔✔Wetted fillet evident
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Overlap (J)
Defect - Class 1,2,3 - ✔✔Insufficient end overlap
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) - End
Overlap (J)
Defect - Class 3 - ✔✔Less than 25% overlap contact (J) between the component
termination and the land
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Termination Variations - Mounting on Side (Billboarding)
Acceptable - Class 1,2 - ✔✔Width (W) to height (H) ratio does not exceed two to one
(2:1) ratio
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Termination Variations - Mounting on Side (Billboarding)
Acceptable - Class 3 - ✔✔For component size 1206 or smaller:
- Component has three or more termination faces (metallization)
For components larger than size 1206:
- Component has five termination faces (metallization)
✔✔Rectangular or Square End Chip Components - 1,2,3 or 5 Side Termination(s) -
Termination Variations - Mounting on Side (Billboarding)
Defect - Class 3 - ✔✔For component size 1206:
- Component has less than three termination faces (metallization)
