Help Needed Identifying Component

[jamesf2]

Hi guys. Hoping someone might be able to help. I have a small surface mounted chip that I need to replace. It is marked AK17P 240H5, and it looks like this: http://www.ic995.com/images/product_...ges/1762_1.jpg

As you can probably tell I'm no expert, so usually in cases like this I just Google what it says on the chip, find a replacement and fit it. However in this case results seem to be vague and I'm struggling to find an exact match.

If anyone can link me to a replacement, or suitable substitute, it would be very much appreciated. Thanks in advance.

[budm]

Re: Help Needed Identifying Component

How did you verify that it is bad? Is there another chip with the same marking that you compare the test results?

[jamesf2]

Re: Help Needed Identifying Component

How did you verify that it is bad? Is there another chip with the same marking that you compare the test results?

It's physically burnt.

[budm]

Re: Help Needed Identifying Component

I would at the board and see if it has the same component so so can at least find out if it is Transistor, or Diode, ?? using the DMM.
According to the chart, it is supposed to be BCY59-x, BC107.

[jamesf2]

Re: Help Needed Identifying Component

I'm thinking it might be a voltage regulator. It appears that the middle pin and the large tab on the opposite side are connected if that helps.

[jamesf2]

Re: Help Needed Identifying Component

OK I've found the datasheet, but struggling to find the identical component for sale. Hopefully someone can point me in the right direction?

[fzabkar]

Re: Help Needed Identifying Component

There are numerous versions of the 1117 adjustable LDO, eg LD1117, AMS1117, AP1117, APL1117 ...

http://search.datasheetcatalog.net/key/1117

[jamesf2]

Re: Help Needed Identifying Component

According to the datasheet I found, it's a AIC1117 (search it for AK17P).

[budm]

Re: Help Needed Identifying Component

Can we see the picture of the board where this part is located so we can tell if it is one of those 1117 LDO regulator IC or not? We can also tell if it is fixed or adjustable type or not.
If it for sure an AK17P, then it is adjustable regulator.
These are what I stock for repair works. There are many 1117 series LDO on Digikey website that you can use.
https://www.badcaps.net/forum/showpo...91&postcount=7