PCB Libraries Forum : Pad Shapes https://www.PCBLibraries.com/forum/ Thu, 20 Aug 2026 16:01:40 +0000 Sat, 15 Aug 2026 11:00:43 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.07 360 https://www.PCBLibraries.com/forum/RSS_post_feed.asp?TID=3688 <![CDATA[PCB Libraries Forum]]> https://www.PCBLibraries.com/forum/forum_images/PCBLForumLogo.gif https://www.PCBLibraries.com/forum/ <![CDATA[Pad Shapes : Surface Mount OblongRecommended...]]> https://www.PCBLibraries.com/forum/pad-shapes_topic3688_post14629.html#14629 Author: Nick B
Subject: 3688
Posted: 15 Aug 2026 at 11:00am

Surface Mount

Oblong
Recommended by IPC-7351

D-Shape
Recommended by some component manufacturers

Rectangle
Recommended by most component manufacturers

Square
Used on Land Grid Arrays (LGA)

Rounded Rectangle
Recommended by assembly shops for better stencil release; the default corner radius is 0.10 mm

Round
Used on Grid Arrays (BGA. CGA and LGA)



Through-hole

Square
Used on Pin 1 for Polarity on Diodes and Polarized Capacitors

Round
Used on all through-hole parts

Rounded Rectangle
Used on Pin 1 for Polarity on Diodes and Polarized Capacitors





FP Designer Surface Mount
  • FP designer includes all calculator pad shapes. These are the custom pad stacks available in FP Designer.
  • Rectangle and square pad shapes can be chamfered in 2 corners on the Top, Bottom, Left and Right sides.

Top Chamfer
Chamfered on one Corner in Upper Left, Lower Left, Upper Left, Upper Right.

Upper Left

Chamfered Lower Left with Radius Corners





FP Designer Through-hole

Slotted Hole

Non-Plated Hole

Offset Slotted Hole

Chamfered Square

Round Hole with Oblong Pad

Chamfered Rectangle with Offset Hole

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