[R-390] line filter for EAC R390A

[Barry]

Mouser stocks these:

http://www.evoxrifa.com/cap_catalog/emisuppr/pme271y.pdf

However, they're only stocked in the 250V version.  I'm curious if the 
equipment were to be run on 220VAC, if this would be sufficient rating.

Barry - N4BUQ

----- Original Message ----- 
From: "Roy Morgan" <k1lky at earthlink.net>
To: "Barry" <n4buq at knology.net>
Cc: <r-390 at mailman.qth.net>
Sent: Monday, July 27, 2009 9:44 PM
Subject: Re: [R-390] line filter for EAC R390A


>
> On Jul 27, 2009, at 10:21 PM, Barry wrote:
>
>> While we're on the subject of line filters, can anyone suggest where  I 
>> might
>> find some 0.1uF, 600V, Y-Class caps?
>
> Try justradios.com (in Canada).
>
> They have both X and Y type capacitors, some application advice for  them, 
> good prices, and fast shipping.
>
> I AM a happy customer of theirs.
>
> Y2 Safety Caps @ 250VAC (film)
> 0.1uF 250VAC.....$2.69
>
> X2 Safety Caps @ 275VAC (film)
> 0.1uF 275VAC.....$0.79
>
> I suggest you carefully evaluate whether you need 0.1 uF as original.
>
> NOTE: My suggested arrangement is to put one X cap across the line,  line 
> to neutral, and one Y cap from neutral to chassis.  Failure of  these 
> types of capacitors is extremely rare, but if it should happen,  with this 
> arrangement, and assuming a fuse is in the hot line, there  is no danger.
>
> Roy
>
>
> Roy Morgan
> k1lky at earthlink.net
> 529 Cobb St.
> Groton NY, 13073
> Home: 607-898-3607
> Cell: 301-928-7794
>
>
>
>