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'What«s a snubber network ????'
1999\02\02@091624 by Ricardo Ponte G

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       Hi people!!!!

       I«ve been a little busy here,  well, I«m working hard on my thesis,
but
this day I read something about a snubber network to drive inductive loads
with the MOC3021 (opto-triacs).


       I would like to know a good definition of snubber network and a good
reason to use it.


       Thanks for your precious help.

1999\02\02@093135 by Philippe

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At 22:07 01/02/99 -0400, you wrote:
>        I«ve been a little busy here,  well, I«m working hard on my thesis, but
>this day I read something about a snubber network to drive inductive loads
>with the MOC3021 (opto-triacs).
>        I would like to know a good definition of snubber network and a good
>reason to use it.

Take a look at AN1048 "RC Snubber Network ...", AN1515 "Optically phase
controlled circuit solution", finally AN982 and AN780 about MOC3011 and 3021.
Take a look at MOC3021 Data sheet, there is at least 4 lines page 4 about
RC Snubber.
All AN and Data sheet from MOTOROLA WEB site.

Regards,
       Philippe.

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1999\02\02@093801 by Harrison Cooper

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Snubber networks, typically RC (in parallel) are used to absorb surges in
inductive loads when they switch.  Inductive loads typically will spike in
current when turned on.  Examples of inductive loads are relays and
incandescent lamps.

1999\02\02@101420 by Bob Drzyzgula

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On Mon, Feb 01, 1999 at 10:07:55PM -0400, Ricardo Ponte G wrote:
>        
>         Hi people!!!!
>
>         I«ve been a little busy here,  well, I«m working hard on my thesis, but
> this day I read something about a snubber network to drive inductive loads
> with the MOC3021 (opto-triacs).
>
>
>         I would like to know a good definition of snubber network and a good
> reason to use it.

In the March 1999 issue of Electronics Now, the "Service
Clinic" column (pp 8-12) explains how the horizontal
deflection circuit of a monitor works; it contains quite
a bit of discussion of how a snubber network is set up to
deal with the currents flowing in and out of the flyback
transformer.

--Bob

--
============================================================
Bob Drzyzgula                             It's not a problem
.....bobKILLspamspam@spam@drzyzgula.org                until something bad happens
============================================================

1999\02\03@015318 by Philippe

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Take a look at AN1048 "RC Snubber Network ...", AN1515 "Optically phase
controlled circuit solution", finally AN982 and AN780 about MOC3011 and 3021.
Take a look at MOC3021 Data sheet, there is at least 4 lines page 4 about
RC Snubber.
All AN and Data sheet from MOTOROLA WEB site.

Regards,
       Philippe.

  +----------------------------------------------------+
  | Virtual Micro Design                               |
  |                                                    |
  | UMPS: The fastest way for simulation and design ...|
  |           Try it !                                 |
  |                                                    |
  | E-Mail: p.techerspamKILLspamvmdesign.com                      |
  | URL:    http://www.vmdesign.com                    |
  +----------------------------------------------------+

At 22:07 01/02/99 -0400, you wrote:
>        I«ve been a little busy here,  well, I«m working hard on my thesis, but
>this day I read something about a snubber network to drive inductive loads
>with the MOC3021 (opto-triacs).
>        I would like to know a good definition of snubber network and a good
>reason to use it.

1999\02\03@182541 by Roberto Guimaraes

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-----Mensagem original-----
De: Ricardo Ponte G <.....rniniverKILLspamspam.....CANTV.NET>
Data: Tera-feira, 2 de Fevereiro de 1999 00:07
Assunto: What«s a snubber network ????



       Hi people!!!!

       I«ve been a little busy here,  well, I«m working hard on my thesis,
but
this day I read something about a snubber network to drive inductive loads
with the MOC3021 (opto-triacs).


       I would like to know a good definition of snubber network and a good
reason to use it.


       Inductive load change the phase , dv/dt and di/dt on the SCR or
TRIAC. This make erratics firing or not enter in off state.
Snubber network correct this.

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