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tech / sci.electronics.design / Trouble with OXLEY RFI suppression filters

SubjectAuthor
* Trouble with OXLEY RFI suppression filtersJean-Pierre Coulon
+- Re: Trouble with OXLEY RFI suppression filtersjlarkin
+- Re: Trouble with OXLEY RFI suppression filtersamdx
`* Re: Trouble with OXLEY RFI suppression filterslegg
 `- Re: Trouble with OXLEY RFI suppression filtersJean-Pierre Coulon

1
Trouble with OXLEY RFI suppression filters

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Newsgroups: sci.electronics.design
Date: Fri, 22 Apr 2022 09:26:39 +0200
From: cou...@cacas.pam.oca.eu (Jean-Pierre Coulon)
Subject: Trouble with OXLEY RFI suppression filters
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 by: Jean-Pierre Coulon - Fri, 22 Apr 2022 07:26 UTC

type FLTM/P/5000. I found a 400-ohm resistance between the lead through
terminal and the ground.

Am I the only one? Any explanations?

--
Jean-Pierre Coulon

Re: Trouble with OXLEY RFI suppression filters

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Subject: Re: Trouble with OXLEY RFI suppression filters
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 by: jlar...@highlandsniptechnology.com - Fri, 22 Apr 2022 14:14 UTC

On Fri, 22 Apr 2022 09:26:39 +0200, Jean-Pierre Coulon
<coulon@cacas.pam.oca.eu> wrote:

>type FLTM/P/5000. I found a 400-ohm resistance between the lead through
>terminal and the ground.
>
>Am I the only one? Any explanations?

That little thing costs $30 !!!

--

I yam what I yam - Popeye

Re: Trouble with OXLEY RFI suppression filters

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Subject: Re: Trouble with OXLEY RFI suppression filters
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 by: amdx - Fri, 22 Apr 2022 19:43 UTC

On 4/22/2022 2:26 AM, Jean-Pierre Coulon wrote:
> type FLTM/P/5000. I found a 400-ohm resistance between the lead
> through terminal and the ground.
>
> Am I the only one? Any explanations?
>
The schematic shows, cap to ground, inductor. cap to ground.
400 ohms seem very high. My explanation would be it's bad.

≤10nF
---+----------(((((------+-- to output
| |
_|_ _|_
___ 5000pf ___ 5000pF
| |
_|_ _|_
\ / \ /

--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

Re: Trouble with OXLEY RFI suppression filters

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From: leg...@nospam.magma.ca (legg)
Newsgroups: sci.electronics.design
Subject: Re: Trouble with OXLEY RFI suppression filters
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 by: legg - Fri, 22 Apr 2022 21:22 UTC

On Fri, 22 Apr 2022 09:26:39 +0200, Jean-Pierre Coulon
<coulon@cacas.pam.oca.eu> wrote:

>type FLTM/P/5000. I found a 400-ohm resistance between the lead through
>terminal and the ground.
>
>Am I the only one? Any explanations?

Won't be there for long at 350VAC/500VDC.

Where'd you get it from?

RL

Re: Trouble with OXLEY RFI suppression filters

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From: cou...@cacas.pam.obs-nice.fr (Jean-Pierre Coulon)
Newsgroups: sci.electronics.design
Subject: Re: Trouble with OXLEY RFI suppression filters
Date: Sat, 23 Apr 2022 11:32:14 +0200
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 by: Jean-Pierre Coulon - Sat, 23 Apr 2022 09:32 UTC

On Fri, 22 Apr 2022, legg wrote:

> Won't be there for long at 350VAC/500VDC.

I am at 5 V DC.

> Where'd you get it from?

1: from monitoring the current while the electronics is plugged and making
a simple calculation. I know the expected current (10 mA) with my other 10
identical setups.

2: by measuring the resistance once unmounted with a Fluke device.

Note that in situation 1: the current has random changes between 20 and 40
mA. I'll research the situation with higher DC's.

Bye

--
Jean-Pierre Coulon

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