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I am looking for an aluminum capacitor that doesn't exist. It has to be 600uF, 450V, but fit to height of 30-35mm and endure 10000 hours. Would be nice, if it could be rectangular. Ah, and cheap.

So the question is, is there other capacitor technology available for such requirements?

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    \$\begingroup\$ Rectangular ? Are you kidding ? \$\endgroup\$
    – dim
    Commented May 30, 2016 at 12:04
  • \$\begingroup\$ I wish i would... By the way, i once saw one rectangular, only it costed 200 dollars. \$\endgroup\$
    – user76844
    Commented May 30, 2016 at 12:08
  • \$\begingroup\$ I am sure in quantities every manufacturer will build you something like that, isn't exactly rocket science. \$\endgroup\$
    – PlasmaHH
    Commented May 30, 2016 at 12:10
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    \$\begingroup\$ Can't you use values from the E12 series ? 560µ or 680µ would be a lot easier to find. Also, can you put it horizontally ? I doubt you'll find such a cap with such a low height, but you may find one that has a 35mm diameter. \$\endgroup\$
    – dim
    Commented May 30, 2016 at 12:11
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    \$\begingroup\$ Then, ALC10A681DL450, in stock at mouser. 35mm diameter. 450V 680µ 15000 hours. I'm a master at shopping questions... Wait... Is that a shopping question ? \$\endgroup\$
    – dim
    Commented May 30, 2016 at 12:16

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Not necessarily cheap, but they have the form factor you need:

Cornell-Dubilier electrolytics

They have different ranges for 5 and 10 year life.

Thickness of the MLP series is 0.5" (about 12.5mm) max.

I would note that these devices are widely used in high reliablity applications and have been around for many years and are expected to be around for many more.

Although some products can quickly become obsolete (a reason for the off-topic rule), this product line is not one of them.

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