Re: [funwithtransistors] Issue with unusual SMD package size


Feb 21

 


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#2152 Feb 21

Hi guys, I have a fairly big issue. I'm trying to repair my phone, and

one of the capacitors I might have to replace is specified as:



C824 4700nF 6.3V 1106



However, Mouser doesn't have a capacitor package size with code 1106!

What do I do? Can I use an (imperial) 1206? Can I use an imperial

1005? Do I do something else? Do I go to some special capacitor house

that has all those weird sizes?



I have a second issue, too. Some capacitors are specified as 0603. How

do I know if that's metric or imperial? I'm reading this off some

wonky Korean service manual pdf, it's not really forthcoming or really

well written at all.



Thanks for any tips!



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#2153 Feb 21

Just a follow up. Here's the part in the service manual:



i.imgur.com/EhEzUfu.png



It's right above U903, above the "3" in the "U903" label.



U903 itself is a big square IC on the left side of the image.



On Tue, Feb 21, 2017 at 8:05 AM, cheater00 cheater00

cheater00@...> wrote: > Hi guys, I have a fairly big issue. I'm trying to repair my phone, and

> one of the capacitors I might have to replace is specified as:

>

> C824 4700nF 6.3V 1106

>

> However, Mouser doesn't have a capacitor package size with code 1106!

> What do I do? Can I use an (imperial) 1206? Can I use an imperial

> 1005? Do I do something else? Do I go to some special capacitor house

> that has all those weird sizes?

>

> I have a second issue, too. Some capacitors are specified as 0603. How

> do I know if that's metric or imperial? I'm reading this off some

> wonky Korean service manual pdf, it's not really forthcoming or really

> well written at all.

>

> Thanks for any tips!



----------------------------

#2154 Feb 21

On 2/21/2017 1:05 AM, cheater00 cheater00 cheater00@...

[funwithtransistors] wrote: > I have a second issue, too. Some capacitors are specified as 0603. How

> do I know if that's metric or imperial?



Those package dimensions are in inches, thus an 1106 (which I've not

heard of before ) would be .11" long by .06" wide.



Here's a helpful reference:

www.radio-electronics.com/info/data/smt/smt_packages.php



In this case I'd find the same value and voltage rating in the closest

smaller size. 0805 parts will usually fit on a 1206 pad pattern and

are readily available (there will just be more exposed solder pad

area). Be sure to get the polarity right.



73, Bob W9RAN



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