Normally a company will have a list of approve vendors. This tends
to solve the issue. A resistor is not only a resistor if it
is critical component (safety related, function related).

BTW, I think most of the resistors are produced in China. So where
do you get those resistors from nowhere? :)

Xiaofan

> -----Original Message-----
> From: Russell McMahon [mailto:apptech@paradise.net.nz]
> Sent: Tuesday, March 01, 2005 10:38 AM
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] Pull-up/down resistors
> 
> 
> >> But sometimes, a resistor is just a resistor.  :)
> 
> > The keyword here is "sometimes" :)
> 
> As long as it's branded "Philips" it's just a resistor. It doesn't 
> matter where they make them or even who they have make them for them, 
> as long as they maintain their quality control.
> 
> BUT if it's double flying horse brand then a resistor can be an open 
> circuit, a drifting value, an unexpected breakdown at below expected 
> spec voltage (if it has a specd voltage), a service call to Outer 
> Mongolia / Uzbekistan / Pago Pago / Timbuktoo / Kalamazoo / 
> Mandalay / 
> Gundagai / Jindalong / Merv / Manapouri  * ... (I should be so lucky 
> in all cases) or a lost customer / dead car / failed deadline / ...
> 
> Poor resistors tend to "just fail" more often than good ones without 
> having been taken out of power / voltage / ... spec. One way 
> to spot a 
> good resistor is to see if it was made by Philips. There are, of 
> course,  many other ways, but each has to know them for themselves.
> 
> I have no affiliation/association/financial arrangement etc etc with 
> Philips apart from the bond of being a happy customer.
> 
> 
>         RM
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