Spehro Pefhany wrote:
>
> At 12:47 AM 6/24/01 +1200, you wrote:
> >SUMMARY
> >
> >Apparent FET failure due to mechanical stress from dimple on mounting clamp
> >
> >Has anyone else any experience of this ???
>
> No, but that's a *bad* design, IMHO. The epoxy is not that tough.
>
> How about replacing the dimple with a silicone strip on the other side as
> well (to allow the TO220 to seat properly)?


Spehro, I see this system used in almost every new TV
and VCR. This seems an accepted standard to clamp the
TO220 device by the plastic body. Please give more
information as to why you think this is a bad design.
I appreciate your input as I work with TO220 pack
power semis all the time. :o)
-Roman

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