[sdiy] Dumb Surface Mount Cap Polarity Question

[Scott Stites]

Thanks to all who answered for saving me from possible bodily harm!  

Grateful in Kansas,
Scott

On Fri, 11 Oct 2002, "Dana Scott" wrote:

> 
> No!
>  The black mark is for the '-' lead. If you look at the base of the
> cap, you will see that the corners of the mounting base are clipped
> off. Those clipped corners are the mark for the '+' lead.
> 
> Dana
> 
> -----Original Message-----
> From: Scott Stites <scottnoanh at peoplepc.com>
> To: synth-diy at dropmix.xs4all.nl <synth-diy at dropmix.xs4all.nl>
> Date: Thursday, October 10, 2002 4:13 PM
> Subject: [sdiy] Dumb Surface Mount Cap Polarity Question
> 
> 
> I received an order I placed with Newark, and found that I had
> mistakenly ordered surface mount electrolytic 2.2 uF caps instead of
> the leaded components that I wanted.  I'll still use them, but I have
> never worked with surface mount electrolytics before, and I'm not
> positive which is the positive lead and which is the negative lead.
> Before playing a game of 'dodge the capacitor', I thought I'd ask the
> list - which is the positive lead?
> 
> The caps are silver, cylindrical shaped and have the writing on the
> top.  As you are holding the cap and reading the wording on the top of
> the cap, the left side of the cap has a black strip on the edge of the
> top of the cap.  I'm assuming that signifies the lead on that side of
> the cap is the positive lead?  Does anyone know if my assumption is
> correct and I won't end up picking this cap out of my flesh with a
> pair of tweezers?
> 
> Any help keeping me out of the emergency room greatly appreciated.
> 
> Scott

________________________________________________
PeoplePC:  It's for people. And it's just smart. 
http://www.peoplepc.com