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 Post subject: ZPA .5 cooling fan board help required
PostPosted: Sun Dec 03, 2017 6:40 pm 

Joined: Tue Apr 27, 2010 10:05 pm
Posts: 129
Hi. Is there anyone who knows the part number of the transistors in these locations? Q34 and 35. Q20 and 21. On the cooling fan board in a Zpa .5
Thanks!


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 Post subject: Re: ZPA .5 cooling fan board help required
PostPosted: Wed Dec 06, 2017 9:46 am 

Joined: Sat Aug 06, 2011 1:18 am
Posts: 63
Hi Virtue

Q34 & Q35: the part has the mark "ZTX749" on it. Maybe other ZPA's have other parts?

its a PNP transistor 25V -2A TO-92

link:
http://datasheetz.com/data/Discrete%20S ... ors%20(BJT)%20-%20Single/ZTX749-datasheetz.html

are you sure that these are broken?


Last edited by Silverhorse on Wed Dec 06, 2017 9:56 am, edited 2 times in total.

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 Post subject: Re: ZPA .5 cooling fan board help required
PostPosted: Wed Dec 06, 2017 9:50 am 

Joined: Sat Aug 06, 2011 1:18 am
Posts: 63
Mouser part number: 522-ZTX749


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 Post subject: Re: ZPA .5 cooling fan board help required
PostPosted: Wed Dec 06, 2017 10:16 am 

Joined: Sat Aug 06, 2011 1:18 am
Posts: 63
Q21: NPN transistor 120V 0.05A 3PIN SPT

Digikey part: 2SC2389STPS-ND

Q20: PNP transistor 120V 0.05A SPT3

Digikey Part: 2SA1038STPS-ND


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 Post subject: Re: ZPA .5 cooling fan board help required
PostPosted: Thu Dec 07, 2017 10:27 pm 

Joined: Tue Apr 27, 2010 10:05 pm
Posts: 129
Sweet. Thank you very much!


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