[Boatanchors] What is a tubular Cap

Doug Hensley w5jv at hotmail.com
Tue Jan 7 10:53:17 EST 2020


...formally called an "AXIAL" cap.


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Message: 4
Date: Sun, 5 Jan 2020 23:47:33 +0000
From: Brian <brianpepperdine at sympatico.ca>
To: "boatanchors at mailman.qth.net" <boatanchors at mailman.qth.net>
Subject: [Boatanchors] what is a tubular capacitor these days
Message-ID:
        <YT1PR01MB3644581F6AE8FE03717D8B75C33D0 at YT1PR01MB3644.CANPRD01.PROD.OUTLOOK.COM>

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As a learning exercise, I am looking to restore an old Heath VTVM here.. since there is a video on it. Anyhow, one of the things in it that is NOT labelled as an eletrolytic capacitor per se (there is one part that is an electrolytic).. is a cap named in the parts list as a Tubular capacitor .046 mfd at 1600 volts.
What is that these days. ... I see what appear to be a lot of old type caps that are tubular in shape.. I think they are mostly wax / paper kind of things.
Is this thing - "1600 Volt Metalized Polypropylene metalized polyprop film" -  a correct and proper thing to use? I think they used to be called Sprague Orange Drops (maybe)  or is there some other common and available sub with a current nomenclature?

Thanks, Brian VE3VAW -


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