Homebrew PCBs

THANK YOU
now that you call it a relay it makes sense there is the D7 1N4007 
across it.


On 01/01/2017 10:50 PM, James bitsyboffin@... [Homebrew_PCBs] wrote:
> I would say it is a relay.
>
> The box is the coil which has 400 Ohm resistance and 1mH inductance
>
> I don't know why they specified the inductance of the coil, I can't 
> imagine it's really important, probably it's just what they had.
>
> Since said coil is shown as powered from 12v, and we know it's 400R, 
> it will be around 25-30mA when the transistor below it is saturated.
>
> On Mon, Jan 2, 2017 at 4:35 PM, Rob roomberg@... 
> <mailto:roomberg@...> [Homebrew_PCBs] 
> <Homebrew_PCBs@yahoogroups.com <mailto:Homebrew_PCBs@yahoogroups.com>> 
> wrote:
>
>     What is the component labeled K1 1mH 400 ohm on the right side of
>     this
>     schematic?
>
>     http://www.learnmorsecode.com/laminator/gbc/pp330.jpg
>     <http://www.learnmorsecode.com/laminator/gbc/pp330.jpg>
>
>
>