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4hv.org :: Forums :: Tesla Coils
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Opinion needed on this IGBT for fullbridge DRSSTC: APT50GP60B2DQ2

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serge petiot
Wed Aug 17 2011, 08:23AM Print
serge petiot Registered Member #4054 Joined: Sun Aug 14 2011, 01:39PM
Location: The boonies, France
Posts: 26
Hi everyone,
I would be very interested to hear what you think of this IGBT:

http://www.microsemi.com/en/sites/default/files/datasheets/50GP60B2DQ2_A.PDF

on paper, it looks alot better than FGA40N60 and what's more, I got 8 of them....
How do you think it will perform for a medium sized coil at F=150 Khz? Full bridge 400V bus.

Thx

Serge
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Dr. ISOTOP
Wed Aug 17 2011, 09:26AM
Dr. ISOTOP Registered Member #2919 Joined: Fri Jun 11 2010, 06:30PM
Location: Cambridge, MA
Posts: 652
Doesn't seem to be anything wrong with it...
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Mads Barnkob
Wed Aug 17 2011, 10:02AM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
serge petiot wrote ...

Hi everyone,
I would be very interested to hear what you think of this IGBT:

http://www.microsemi.com/en/sites/default/files/datasheets/50GP60B2DQ2_A.PDF

on paper, it looks alot better than FGA40N60 and what's more, I got 8 of them....
How do you think it will perform for a medium sized coil at F=150 Khz? Full bridge 400V bus.

Thx

Serge

That IGBT is perfectly fine, easy to drive, fast and a decent pulse current rating.

New parts do look superior on paper compared to older parts, but often were older parts made much sturdier as the technology did not give them the opportunity to build so close to the data sheet specifications.
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Forty
Wed Aug 17 2011, 04:16PM
Forty Registered Member #3888 Joined: Sun May 15 2011, 09:50PM
Location: Erie, PA
Posts: 649
how do the little legs on that thing manage to survive 150A?
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serge petiot
Wed Aug 17 2011, 06:37PM
serge petiot Registered Member #4054 Joined: Sun Aug 14 2011, 01:39PM
Location: The boonies, France
Posts: 26
Well, Forty,
I did ask myself the same question of all TO-247 just like the IRG40PC50 which apparently can push a few hundreds Amps without vaporising their legs. Good job it's pulsed current I think.
Well, I did think these would make fine IGBTs for a TC, and I really appreciate you guys taking the time to look at it.
I'll tell you how it performs once my DRSSTC is built in a few weeks.

Thx

Serge
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