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Nexys 3 - Replacement Parts


Question

Hello all,

I have a Nexys 3 in which, long story short, 12V found its way to pins B1-B4 via a 200Ohm resistor and now they can't source a high output.

The on-board 200Ohm resistors, R9, R11, R13 and R15, all read the correct resistance (Measured in-circuit) but all of the resistors in the D3 package are shorted. I'm hoping that it's just D3 that has been affected and would like to source a replacement.

The package just 6H Y on top and the schematic for the board doesn't list the part number - What is the full part number and manufacturer of this part ?

Thanks,

-Andrew.

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Hey Andrew,

Looks like that is the part from ON Semiconductor listed below

NSQA6V8 SOT-323-5

Here is a link to digikey http://www.digikey.com/product-detail/en/on-semiconductor/NSQA6V8AW5T2G/NSQA6V8AW5T2GOSCT-ND/1967247

For packaging, I'm pretty sure SOT-323-5 is the same as SOT-353. 

https://en.wikipedia.org/wiki/Small-outline_transistor

Hope this helps!

-Sam

 

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Thank you very much Sam, that's perfect.

I think you're right about the packaging, the Wiki link doesn't have most of the dimensions listed but from looking at the datasheet (http://www.onsemi.com/pub_link/Collateral/NSQA6V8AW5T2-D.PDF, page 6) and the SO-353 package dimensions from ON Semi (http://www.onsemi.com/pub_link/Collateral/419A-02.PDF), the measurements are exactly the same.

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