ZPA .5 cooling fan board help required

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Virtue
Posts: 132
Joined: Tue Apr 27, 2010 10:05 pm

ZPA .5 cooling fan board help required

Post by Virtue »

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!
Silverhorse
Posts: 159
Joined: Sat Aug 06, 2011 1:18 am

Re: ZPA .5 cooling fan board help required

Post by Silverhorse »

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 ... heetz.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.
Silverhorse
Posts: 159
Joined: Sat Aug 06, 2011 1:18 am

Re: ZPA .5 cooling fan board help required

Post by Silverhorse »

Mouser part number: 522-ZTX749
Silverhorse
Posts: 159
Joined: Sat Aug 06, 2011 1:18 am

Re: ZPA .5 cooling fan board help required

Post by Silverhorse »

Q21: NPN transistor 120V 0.05A 3PIN SPT

Digikey part: 2SC2389STPS-ND

Q20: PNP transistor 120V 0.05A SPT3

Digikey Part: 2SA1038STPS-ND
Virtue
Posts: 132
Joined: Tue Apr 27, 2010 10:05 pm

Re: ZPA .5 cooling fan board help required

Post by Virtue »

Sweet. Thank you very much!
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