AVR-Chat

On Tue, Feb 10, 2009 at 11:33 AM, Graham Davies
<Yahoo37849@ecrostech.com> wrote:
>  Also, Mouser tries to force specifications
> into a pattern to drive their on-line part selection tool (which thinks
> that 200 mA, 0.2 A and 0.200 A are diffent ratings).

Digikey has similar problems.. But things are cleaning up..

> The reason that a switch might be able to handle more AC current than
> DC is that AC drops to zero every half cycle, which would quench any
> arc across the terminals.  This doesn't matter for a non-inductive load.

Similarly with fuses, and a 32VDC fuse is NOT guaranteed to be able to
open the circuit in a 120VAC application!