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Pad Shapes

Printed From: PCB Libraries Forum
Category: Libraries
Forum Name: PCB Libraries Guideline
Forum Description: (online edition)
URL: https://www.PCBLibraries.com/forum/forum_posts.asp?TID=3688
Printed Date: 05 Oct 2026 at 5:16am


Topic: Pad Shapes
Posted By: Nick B
Subject: Pad Shapes
Date Posted: 20 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



FOOTPRINT EXPERT GUIDELINE Topics
https://www.pcblibraries.com/forum/terms-and-definitions_topic3672.html - Terms & Definitions         https://www.pcblibraries.com/forum/component-descriptions_topic3673.html - Component Descriptions         https://www.pcblibraries.com/forum/threetier-density-levels_topic3674.html - Three-Tier Density Levels
https://www.pcblibraries.com/forum/ipc7352-mathematical-model_topic3675.html - IPC-7352 Mathematical Model        Solder Joint Goal Tables: [ https://www.pcblibraries.com/forum/surface-mount-solder-joint-goal-tables-min-max_topic3676.html - Min/Max ] [ https://www.pcblibraries.com/forum/solder-joint-goal-tables-for-nominal-calculation_topic3677.html - Nominal ]
https://www.pcblibraries.com/forum/manufacturer-recommended-patterns_topic3678.html - Manufacturer Recommended         https://www.pcblibraries.com/forum/throughhole-terminals_topic3679.html - Through-hole Terminals         https://www.pcblibraries.com/forum/courtyard-excess_topic3680.html - Courtyard Excess
https://www.pcblibraries.com/forum/pcbl-footprint-naming-convention-surface-mount_topic3681.html - PCBL Footprint Convention: SM        IPC-7352 Naming Convention: [ https://www.pcblibraries.com/forum/ipc7352-footprint-naming-convention-throughhole_topic3682.html - Footprint TH ] [ https://www.pcblibraries.com/forum/ipc7352-pad-stack-naming-convention_topic3685.html - Pad Stack ]
https://www.pcblibraries.com/forum/oda-pad-stack-naming-convention_topic3686.html - ODA Pad Stack Convention         https://www.pcblibraries.com/forum/terminal-lead-forms_topic3687.html - Terminal Lead Forms         https://www.pcblibraries.com/forum/pad-shapes_topic3688.html - Pad Shapes         https://www.pcblibraries.com/forum/design-units_topic3689.html - Design Units
https://www.pcblibraries.com/forum/fpx-file-definition_topic3690.html - FPX File Definition         https://www.pcblibraries.com/forum/smd-pad-stack-rules_topic3691.html - SMD Pad Stack Rules         https://www.pcblibraries.com/forum/drafting-outlines-polarity-marking_topic3692.html - Drafting Outlines & Polarity Marking
https://www.pcblibraries.com/forum/package-and-terminal-tolerances_topic3693.html - Package & Terminal Tolerances         https://www.pcblibraries.com/forum/zero-component-orientation_topic3694.html - Zero Component Orientation
https://www.pcblibraries.com/forum/standard-reference-designators_topic3695.html - Standard Reference Designators        Component Families: [ https://www.pcblibraries.com/forum/surface-mount-component-families_topic3696.html - Surface Mount ] [ https://www.pcblibraries.com/forum/throughhole-component-families_topic3697.html - Through-hole ]



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