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-   -   Xpelair (http://www.diychatroom.com/f18/xpelair-41798/)

 nigelgoodwin 04-04-2009 04:00 PM

Xpelair

I have a Xpelair DX100t and have until recently had installed on it a red led light which indicates when the device is switched off (necessary due to having a timer on it). As the led has stopped working I want to replace it but do not know what led/resistor I need to buy. As their is all kinds of resistors, can anybody please tell me what I require.

 qbert 04-04-2009 04:48 PM

resistor color code? bbroygbvgw

 goose134 04-04-2009 10:13 PM

Niiiice.

 micromind 04-04-2009 10:23 PM

Resistor color code also known as black, brown, red, orange, yellow, green, blue, violet, gray, white. Black=0, white=9. First two bands are actual numbers, third band is number of zeros to the right of the first two, fourth band is % tolerance.

To get the proper resistor, we'd need to know the voltage applied to the LED. An LED is basically a short circuit, and needs a resistor in series with it to limit current.

Rob

 hayewe farm 04-04-2009 10:49 PM

Why don't you replace the LED and use the existing resister?

 Yoyizit 04-05-2009 10:50 AM

Usually red indicating LEDs are ~2v forward voltage at 20 mA.

 nigelgoodwin 04-06-2009 08:24 AM

Xpelair

Quote:
 Originally Posted by micromind (Post 255129) Resistor color code also known as black, brown, red, orange, yellow, green, blue, violet, gray, white. Black=0, white=9. First two bands are actual numbers, third band is number of zeros to the right of the first two, fourth band is % tolerance. To get the proper resistor, we'd need to know the voltage applied to the LED. An LED is basically a short circuit, and needs a resistor in series with it to limit current. Rob

The voltage is 240 and I believe the ampage of the Xpelair is 5.

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