Turns out that this capacitor is from an HP defibrulator.
There seems to be a question about whether a defib cap can handle continuous
PSU filter duty. It may need to be derated.
Any comments?
Regards,
David Smith
VK3HZ
> From: "David Smith" <vk3hz@wia.org.au>
> To: <amps@contesting.com>
To: <amps@contesting.com>
> Date: Sat, 29 Jun 2002 21:31:34 +1000
> Subject: [Amps] Filter Capacitors - Oil Filled vs. Electrolytic
>
> I'm on to building the HV PSU for the 8877.
>
> I have 2 alternatives for filtering - a used but good 54uF 4.2kV
oil-filled
> Maxwell or a string of 10 new 470uF 450V electrolytics (with 45K 10W
> equalisers). They work out to roughly the same cost.
>
> I'm tending towards the oil-filled cap because it simplifies construction.
> Any comments on either? I've seen comments here regarding equalising
> electro strings and also read things about forming them. Do oil-filled
caps
> go off over time? Is it OK to mount them on their side?
>
> Regards,
> David Smith
> VK3HZ
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