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Author Topic: I think I'm missing a diode  (Read 6816 times)

Offline Jimmy Kling

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I think I'm missing a diode
« on: May 23, 2009, 08:06:03 pm »
Hello,

I'm almost finished with soldering my VEMS box, but I discovered that a transient protection diode is missing. I looked at the schematics and it seams that four pins on the steeper chip, and more, will not get current. Is it suppost to be like that?

Do I need to add a diode and what kind of diode?

Picture belove shows the diode I'm speaking of, in a green square:


 //Jimmy
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Offline rob@vems.co.uk

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Re: I think I'm missing a diode
« Reply #1 on: May 23, 2009, 08:17:02 pm »
There's usually a bloody great diode that goes through the hole that's just below the green square in your picture.  Which you normally have to solder.
http://www.vems.co.uk/VEMS/ConnectingPower.html
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Offline Jimmy Kling

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Re: I think I'm missing a diode
« Reply #2 on: May 23, 2009, 08:28:20 pm »
Okey what kind of diode do I need? I have some spare 18V and 30V from the Webshop, can I use one of them?
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Offline rob@vems.co.uk

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Re: I think I'm missing a diode
« Reply #3 on: May 23, 2009, 08:40:58 pm »
The one on this unit I have here looks like a 1N6 277A 1.5KE 18A
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Offline Jimmy Kling

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Re: I think I'm missing a diode
« Reply #4 on: May 23, 2009, 08:49:44 pm »
I looked in my parts box and found one 1N6 277A 1.5KE 18A. Thanks for the help.
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