[time-nuts] Looking for PZT3904T1G transistors

John Ackermann N8UR jra at febo.com
Wed Jul 4 09:39:12 EDT 2018

Thanks, Attila.  Interesting that that part didn't show up when I was 
searching for substitutes.  I'll look into those.

Yes, the TNS-BUF schematic has a disconnect between assigned part 
numbers and the notes.  That's fixed in the revised version I'll upload 
one of these days.


On 07/04/2018 09:28 AM, Attila Kinali wrote:
> On Wed, 4 Jul 2018 08:25:53 -0400
> John Ackermann N8UR <jra at febo.com> wrote:
>> I need to find 150+ pieces of transistor type PZT3904T1G, SOT223 package
>> (with heatsink tab), equivalent to Digikey PZT3904T1G0SCT-ND.
> How about going for an equivalent type, like the  CZT3904 from Central Semi?
> Mouser seems to have 200 of them on stock[1]. I have not used something
> from Central Semi so far, so I don't know their production quality.
> But guessing from the circuit of the TNS-BUF, it's not too critical.
> BTW: The transistors in the schematic of the TNS-BUF manual are
> inconsitently marked.
> 			Attila Kinali
> [1] https://eu.mouser.com/ProductDetail/Central-Semiconductor/CZT3904-TR?qs=sGAEpiMZZMshyDBzk1%2fWiw99kSkYzPxmy7bnaX%2fesfk%3d

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