[sdiy] Using non-linear passives

[Mattias Rickardsson]

On 5 April 2017 at 19:39, Gordonjcp <gordonjcp at gjcp.net> wrote:
>
> All very well in theory, but capacitors simply do not behave like that in real life.

Are you sure?

http://www.edn.com/design/analog/4402049/2/Temperature-and-voltage-variation-of-ceramic-capacitors--or-why-your-4-7--F-capacitor-becomes-a-0-33--F-capacitor

On 5 April 2017 at 20:03, Tom Wiltshire <tom at electricdruid.net> wrote:
> It looks to me there's something we're not understanding (or
> misunderstanding) here. There's no way a capacitor that is spec'd to 35V
> loses 90% of its capacitance by 35V. That simply wouldn't be *useful*.

Yes, they are still useful for many applications - if you know the
voltage dependency and your DC voltage, and and choose your capacitors
accordingly. :-)

/mr