Groups > sci.electronics.components > #6263

Re: recuperated transistors : igbt or mosfet ?

From	"Ian Field" <gangprobing.alien1@virginmedia.com>
Newsgroups	sci.electronics.components
References	<ordcrj$1u3f$1@gioia.aioe.org> <q4iotc5gs2c7anal8fbmnmqiebuclrdbgd@4ax.com>
Subject	Re: recuperated transistors : igbt or mosfet ?
Message-ID	<_ljUB.153141$WQ.77694@fx10.am4> (permalink)
Organization	virginmedia.com
Date	2017-12-01 20:56 +0000

Show all headers | View raw


"legg" <legg@nospam.magma.ca> wrote in message 
news:q4iotc5gs2c7anal8fbmnmqiebuclrdbgd@4ax.com...
> On Sun, 08 Oct 2017 16:31:14 +0200, alpibucky <alpibucky@mail.be>
> wrote:
>
>>Hi,
>>
>>I recuperated a lot of semiconductors but I now face the identification
>>of these item, principally mosfet and igbt.
>>How can I identify the one from the other with e.g. a dmm ?
>>
>>Kind regards,
>>
>>alpibucky
>
> For a first pass, Mosfets have a parasitic internal diode from drain
> to source. IGBTs don't, unless an extra part is added internally.

The basic IGBT is an n-channel MOSFET with a PNP emitter follower hanging 
from the drain, so that test should clear things up.

Back to sci.electronics.components | Previous | Next — Previous in thread | Find similar

Thread

recuperated transistors : igbt or mosfet ? alpibucky <alpibucky@mail.be> - 2017-10-08 16:31 +0200
  Re: recuperated transistors : igbt or mosfet ? Ralph Mowery <rmowery28146@earthlink.net> - 2017-10-08 13:44 -0400
    Re: recuperated transistors : igbt or mosfet ? John Robertson <spam@flippers.com> - 2017-10-08 12:01 -0700
  Re: recuperated transistors : igbt or mosfet ? legg <legg@nospam.magma.ca> - 2017-10-10 00:14 -0400
    Re: recuperated transistors : igbt or mosfet ? "Ian Field" <gangprobing.alien1@virginmedia.com> - 2017-12-01 20:56 +0000

csiph-web