[ARC5] Question for Smart People: IGBT Transistors

[Peter Gottlieb]

All parts have their limits and it is the responsibility of the engineer to understand those limits and keep the device operation sufficiently within those limits. I work with IGBTs which are hundreds of dollars each in quantity so really hate frying them!  As does my boss...

I call them surface mount parts. Ok maybe with 1/4 inch bolts, but still surface mount...


Peter

> On Apr 28, 2017, at 2:27 PM, Fuqua, Bill L <wlfuqu00 at uky.edu> wrote:
> 
>   Had a tech that called them Insulated Gate Blowup Transistors.
> 
> Naturally, you need to read the specs carefully. 
> 73
> 
> 
> Bill wa4lav
> 
>  
> From: ARC5 <arc5-bounces at mailman.qth.net> on behalf of David Stinson <arc5 at ix.netcom.com>
> Sent: Friday, April 28, 2017 12:05 PM
> To: boatanchors at mailman.qth.net; ARC-5
> Subject: [ARC5] Question for Smart People: IGBT Transistors
>  
> Question for Smart People:
> One of the specifications for high voltage
> IGBT Transistor (thank you, Mr. Harshman
> and a letter is on the way) is Vce when the
> the transistor is in saturation.  Typically
> 3 or 4 volts.   Sort of like the newer FETs that
> have a very low on-state resistance.
> 
> Am I correct to infer that when the IGBT is
> saturated "ON," that 4 Volts at Ice is all
> the transistor needs to dissipate?
> For instance, if sourcing an Amp through
> the transistor, IxV = 4 Watts dissipation.
> 
> Thanks,
> Dave S.
> 
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