• Capacitor Terminals

    From Cursitor Doom@21:1/5 to All on Tue Feb 27 17:08:39 2024
    This cap tested dud across all possible terminal combinations.
    However, I have to wonder why it's got 5 terminals. Why would you put
    5 tags on a capacitor when only two are needed?


    https://disk.yandex.com/i/P9WCxzmjaAkPMw

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  • From John@21:1/5 to Cursitor Doom on Tue Feb 27 17:19:18 2024
    Cursitor Doom <cd@notformail.com> writes:

    This cap tested dud across all possible terminal combinations.
    However, I have to wonder why it's got 5 terminals. Why would you put
    5 tags on a capacitor when only two are needed?


    https://disk.yandex.com/i/P9WCxzmjaAkPMw

    A multi-section capacitor contains several capacitors in the same can,
    with a common ground. You'd find them in old radios. Without a better
    look at the label of your cap, I can't be sure that's what you've got,
    but it's what I'd guess.

    john

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  • From Cursitor Doom@21:1/5 to John on Tue Feb 27 18:18:12 2024
    On Tue, 27 Feb 2024 17:19:18 +0000, John <john@building-m.net> wrote:

    Cursitor Doom <cd@notformail.com> writes:

    This cap tested dud across all possible terminal combinations.
    However, I have to wonder why it's got 5 terminals. Why would you put
    5 tags on a capacitor when only two are needed?


    https://disk.yandex.com/i/P9WCxzmjaAkPMw

    A multi-section capacitor contains several capacitors in the same can,
    with a common ground. You'd find them in old radios. Without a better
    look at the label of your cap, I can't be sure that's what you've got,
    but it's what I'd guess.

    Bugger! I did kind of wonder if that was the situation. If I'd had a
    schematic I'd have been able to see straight away. Damn!

    Here's a better picture of the markings: https://disk.yandex.com/i/wwUt6kX-BjCAXg

    And the just to the right of those, there's this:

    051 55473
    M HP 9420 :
    40/085/56

    Not sure if that helps at all or not!

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  • From Liz Tuddenham@21:1/5 to Cursitor Doom on Tue Feb 27 22:08:50 2024
    Cursitor Doom <cd@notformail.com> wrote:

    This cap tested dud across all possible terminal combinations.
    However, I have to wonder why it's got 5 terminals. Why would you put
    5 tags on a capacitor when only two are needed?


    https://disk.yandex.com/i/P9WCxzmjaAkPMw

    Three of them may be common negative, physically arranged to hold the
    capacitor firmly on a PC board.


    --
    ~ Liz Tuddenham ~
    (Remove the ".invalid"s and add ".co.uk" to reply)
    www.poppyrecords.co.uk

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  • From Cursitor Doom@21:1/5 to Liz Tuddenham on Tue Feb 27 22:19:20 2024
    On Tue, 27 Feb 2024 22:08:50 +0000, liz@poppyrecords.invalid.invalid
    (Liz Tuddenham) wrote:

    Cursitor Doom <cd@notformail.com> wrote:

    This cap tested dud across all possible terminal combinations.
    However, I have to wonder why it's got 5 terminals. Why would you put
    5 tags on a capacitor when only two are needed?


    https://disk.yandex.com/i/P9WCxzmjaAkPMw

    Three of them may be common negative, physically arranged to hold the >capacitor firmly on a PC board.

    I certainly hope so!

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  • From ehsjr@21:1/5 to Cursitor Doom on Tue Feb 27 18:13:21 2024
    On 2/27/2024 1:18 PM, Cursitor Doom wrote:
    On Tue, 27 Feb 2024 17:19:18 +0000, John <john@building-m.net> wrote:

    Cursitor Doom <cd@notformail.com> writes:

    This cap tested dud across all possible terminal combinations.
    However, I have to wonder why it's got 5 terminals. Why would you put
    5 tags on a capacitor when only two are needed?


    https://disk.yandex.com/i/P9WCxzmjaAkPMw

    A multi-section capacitor contains several capacitors in the same can,
    with a common ground. You'd find them in old radios. Without a better
    look at the label of your cap, I can't be sure that's what you've got,
    but it's what I'd guess.

    Bugger! I did kind of wonder if that was the situation. If I'd had a schematic I'd have been able to see straight away. Damn!

    Here's a better picture of the markings: https://disk.yandex.com/i/wwUt6kX-BjCAXg

    And the just to the right of those, there's this:

    051 55473
    M HP 9420 :
    40/085/56

    Not sure if that helps at all or not!



    Those "extra" pins are there to give it mechanical
    mounting strength. Pins 1 and 5 are the electrical
    connections - pins 2,3 and 4 give it additional
    stability/strength.

    Datasheet at:
    https://www.farnell.com/datasheets/12126.pdf

    Ed

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  • From Cursitor Doom@21:1/5 to ehsjr on Wed Feb 28 00:58:52 2024
    On Tue, 27 Feb 2024 18:13:21 -0500, ehsjr <ehsjr@verizon.net> wrote:

    On 2/27/2024 1:18 PM, Cursitor Doom wrote:
    On Tue, 27 Feb 2024 17:19:18 +0000, John <john@building-m.net> wrote:

    Cursitor Doom <cd@notformail.com> writes:

    This cap tested dud across all possible terminal combinations.
    However, I have to wonder why it's got 5 terminals. Why would you put
    5 tags on a capacitor when only two are needed?


    https://disk.yandex.com/i/P9WCxzmjaAkPMw

    A multi-section capacitor contains several capacitors in the same can,
    with a common ground. You'd find them in old radios. Without a better
    look at the label of your cap, I can't be sure that's what you've got,
    but it's what I'd guess.

    Bugger! I did kind of wonder if that was the situation. If I'd had a
    schematic I'd have been able to see straight away. Damn!

    Here's a better picture of the markings:
    https://disk.yandex.com/i/wwUt6kX-BjCAXg

    And the just to the right of those, there's this:

    051 55473
    M HP 9420 :
    40/085/56

    Not sure if that helps at all or not!



    Those "extra" pins are there to give it mechanical
    mounting strength. Pins 1 and 5 are the electrical
    connections - pins 2,3 and 4 give it additional
    stability/strength.

    Datasheet at:
    https://www.farnell.com/datasheets/12126.pdf

    Ed

    many thanks indeed for that, Ed (and good guess, Liz!)

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