good job!

On Jul 27, 2013, at 10:59 AM, Gaetano wrote:

> Hi all,
> I am just back from few days of crazy work and had a little time to check the 
> capacitors on the motherboard and on the CPU daughterboard of the Powerbook 
> 100 and make a little list. 
> Please note that I report here what found on the label. For C22 I have a 
> little doubt about the value, I couldn't see it very well
> 
> Place
> Value
> C6
> 47 16V
> C12
> 1 50V
> C11
> 1 50V
> C13
> 10 16V
> C20
> 10 16V
> C21
> 47 16V
> C22
> 47 uF 35V
> C23
> 330uF 16V
> C24
> 47 16V
> C25
> 1 50V
> C26
> 1 50V
> C27
> 47 16V
> C30
> 100uF 10V
> C32
> 220 uF 25V
> C34
> 47 16V
> C37
> 100uF 10V
> C38
> 100uF 10V
> C39
> 4.7 50V
> C42
> 10 16V
> C43
> 1 50V
> C102
> 10 16V
> C104
> 10 16V
> C310
> 10 16V
> 
> Maybe this can be useful for anybody with the same machine and also to double 
> chac with somebody else. Does it match yours?
> 
> Have a lot of fun
> Gaetano
> 
> On Jul 25, 2013, at 17:13, Hardware Mack <[email protected]> wrote:
> 
>> Sure you care...
>> You are trying to appear right.
>> 
>> I am saying relax, 
>> they work fantastic, and will never leak.
>> and in the values needed are even pennies cheaper then your leaky can caps.
>> 
>> For someone as your self with such concern, maybe you could look into 
>> organic polymer based caps.
>> Then even NASA would approve of your cap choice.
>> 
>> 
>> 
>> 
>> On Jul 25, 2013, at 11:05 AM, Alexandre Souza wrote:
>> 
>>>> 1. These caps are not being used in a power supply.
>>> 
>>>  No, they are used in decoupling of a power supply.
>>> 
>>>> 2. The voltage these caps are receiving is half or less of the rated 
>>>> capacity.
>>> 
>>>  So, per the article, you're derating them to 20-30% less capacitance. Not 
>>> good.
>>> 
>>>> 3. This is a Powerbook from 1991 it's not a NASA satellite, will never be 
>>>> exposed to temp ranges duscussed in >the articles,
>>> 
>>>  We're not talking temperature here, but capacitance and the capability of 
>>> them to decouple your power supply in a **very** sensible and complicated 
>>> circuit.
>>> 
>>>  I'm not here to impose knowledge or opinions in anyone. I just present the 
>>> facts, you believe in what you want, I just don't care. 
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