piclist 2001\01\29\053701a >
Thread: 2.5KW Load
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face BY : Francois Robbertze email (remove spam text)



----- Original Message -----
From: Roman Black <spam_OUTfastvidspamspamBeGoneEZY.NET.AU>
To: <spamPICLISTEraseMEspamRemoveMEMITVMA.MIT.EDU>
Sent: Friday, January 26, 2001 4:58 PM
Subject: Re: [PIC]: 2.5KW Load


{Quote hidden}

I also like this very much!!!

What is a save time delay to wait for the relay contacts to fully open or
close?

If I use a 250Volt 20Ampere relay together with a IT615(600V 15A) triac
(with a small heatsink). Will this be OK?

According to Peter L Peres this relay will also be hot after 30 minutes...Is
it a better option to look at bidirectional power MOSFET modules then?

I must also say that the ambient temperature is sometimes relatively hot
(30 - 50 deg C) and can affect the efficiency of the heatsink.

Space is not the main consern but the thing must be very reliable and it
must last for years...I also don't want the project to consist of 99%
heatsink if I can prevent it and the cost must be preferrably as low as
possible.

Francois

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