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Calculation D2PAK |
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ThijsVerdonschot 
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Joined: 20 Jul 2012 Location: Netherlands Status: Offline Points: 18 |
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 Topic: Calculation D2PAKPosted: 17 Jan 2014 at 5:55am |
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I have to calculate a D2PAK footprint from ST Electronics.
In the library expert I only see the option to calculate a TO (DPAK). Is it the best way to use the maximum with for the e1 value since the D2PAK has a kind of a T-shape?
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Tom H
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Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5716 |
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Posted: 17 Jan 2014 at 7:48am |
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I bet the component mfr. recommended pattern is not T-Shape, rather it's a full pad used for thermal relief. You can use the TO (DPAK) component family to create a D2PAK footprint. You can also select the "Footprint" tab and enter the mfr. recommended pattern (after you enter the component dimensions to calculate the IPC pattern). |
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ThijsVerdonschot
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Joined: 20 Jul 2012 Location: Netherlands Status: Offline Points: 18 |
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Posted: 17 Jan 2014 at 8:53am |
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Hi Tom,
It is an thermal relief pad and the manufacturur recommended shape is 2mm larget then the lagest size. I will use the TO (DPAK) to calculate. Thank you for your quick reply. |
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