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4hv.org :: Forums :: General Science and Electronics
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igbt diode question

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Dr. Dark Current
Sun Mar 09 2008, 07:47PM Print
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
I'm not sure about the rating of the anti-parallel diode of this igbt: Link2 ,it is not mentioned it in the datasheet.
Am i safe to assume the same rating as the igbt, this means 60A@25°C, 30A@100°C, 200A pulsed?



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tesla500
Sun Mar 09 2008, 08:15PM
tesla500 Registered Member #347 Joined: Sat Mar 25 2006, 08:26AM
Location: Vancouver, Canada
Posts: 106
Hi Jan,

I don't think that assumption would be safe. I've seen many IGBTs with anti-parallel diodes having a much lower current rating than the IGBT itself. You could ask the manufacturer about the diode's rating.


David
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pbfree
Tue Mar 11 2008, 08:31AM
pbfree Registered Member #1386 Joined: Tue Mar 11 2008, 08:16AM
Location:
Posts: 13
I believe the spec is there just hard to see. Look at Fiqure 16 Emitter-collector diode characteristics. Looks like 20A is max
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