[Elecraft] OT: Obsolete Transistor MS1700G

Howard W. Ashcraft hashcraft at hansonbridgett.com
Fri Jun 16 17:59:24 EDT 2006


I am working on a power supply with a linear regulator circuit containing two MS1700G power transistors that have shorted.  I don't think they are in any way exotic, and I'm sure there is a modern replacement.  But I can't find any specification information anywhere to begin the replacement analysis.  The only internet search results for a MS1700G are from distributors that have $250 minimums and are only providing a "quote."  None of the normal providers (Digikey, Mouser, JAMECO etc. stock this transistor.)  Does anyone have a reference or spec sheet information regarding these transistors?

Thanks 

HOWARD W. ASHCRAFT, Jr.
Direct Dial: (415) 995-5073
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