Re: WG 6100 upgrade updates & MPSU07 replacement.

From: Scott Zeiser <scott_at_zeiser.org>
Date: Sun Apr 10 2011 - 23:55:23 EDT

Not sure where you found your info, but Central Semiconductor CEN-U07 / CEN-U57 have not been discontinued...they are still very much in production. If you buy MPSU07 and MPSU57 from Bob Roberts, that is what you'll get. It's just that the minimum order to get some is quite large and therefore cost-prohibitive. ________________________________ From: David Shoemaker <davids_at_oz.net> To: vectorlist_at_vectorlist.org Sent: Sat, April 9, 2011 9:40:42 PM Subject: VECTOR: WG 6100 upgrade updates & MPSU07 replacement. I found a update / repair guide for the WG6100 on http://www.pinrepair.com/video/wg6100.htm but it was last updated in 2000 and it mentions some parts that are now no longer available. In particular it recommends upgrading the MPSU07 with NTE49. Neither of which is actually still in production. The net mentions a CENU07/57 replacement but that is also discontinued. Looking over my vectorlist archive I see suggestions of: MPSU07 -> ZTX653 or TIP32C MPSU57 -> ZTX753 or TIP41C But nothing was definitive in those discussions (primarily about the speed of the TIP’s and the 1W base limit of the ZTX part). So is there a “new” version of the update guide out there which covers the modern replacements? Or has anyone done long term testing of either the ZTX or TIP solutions? Thanks, David
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Received on Sun Apr 10 23:55:26 2011

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