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)?

Best regards,


=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com
Contributions invited->The AVR-gcc FAQ is at: http://www.bluecollarlinux.com
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.