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How to calculate DPAK Thermal pad size?

Printed From: PCB Libraries Forum
Category: Training / Events
Forum Name: PCB Design Basics
Forum Description:
URL: http://www.PCBLibraries.com/forum/forum_posts.asp?TID=2707
Printed Date: 23 Jan 2021 at 1:34am


Topic: How to calculate DPAK Thermal pad size?
Posted By: maryam
Subject: How to calculate DPAK Thermal pad size?
Date Posted: 21 Oct 2020 at 9:38am
hi,
I try to calculate DPAK thermal pin pad size using SMD Reference Calculator but it's different pad size gives.
Any suggestion on DPAK thermal pin pad size Confused

Thanks,
Maryam




Replies:
Posted By: Tom H
Date Posted: 21 Oct 2020 at 9:49am
The Excel spreadsheet reference calculator was no intended to calculate Thermal Pads. 

You can download and install the Free V2020.02 Library Expert Pro and it has calculators for 144 component families and interfaces to 25 CAD tools and has 3D STEP output. 

The Reference Calculator was intended to validate the Library Expert calculations and to show other calculator users the IPC mathematical model for calculating pad stacks. 



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